My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX20075DATCD/V+
- Part No.:
- MAX20075DATCD/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-WFDFN Exposed Pad
- Datasheet:
-
MAX20075DATCD/V+.pdf
- Description:
- IC REG BCK ADJ/3V 600MA 12TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,594
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX20075DATCD/V+ from Analog Devices is a 36V-input, 0.6A synchronous buck converter with integrated high-side and low-side MOSFETs, 3.5µA quiescent current in standby mode, ±2% output voltage accuracy (at 5V/3.3V), and 2.1MHz fixed switching frequency - designed for automotive power rails requiring compact, low-IQ DC-DC conversion.
For engineers reviewing the MAX20075DATCD/V+ datasheet, MAX20075DATCD/V+ pinout, MAX20075DATCD/V+ application, or MAX20075DATCD/V+ equivalent, this page delivers verified technical context, validated package mapping, confirmed pin functions, real-world application constraints, and two rigorously cross-checked alternative parts for AEC-Q100-compliant 36V-to-5V/3.3V conversion.
Technical Context
This device implements current-mode control with 20ns minimum on-time, enabling direct step-down from automotive battery (9V–16V) to sub-3V rails without cascaded converters. Its 99% maximum duty cycle supports operation in dropout, while internal 2.5ms soft-start and open-drain PGOOD simplify power sequencing in safety-critical systems.
The IC integrates a 5V BIAS LDO, spread-spectrum modulation (±6% around 2.1MHz), and dual-mode operation: skip mode at light loads (3.5µA IQ) and forced-PWM via SYNC pin - all within an AEC-Q100 qualified -40°C to +125°C junction temperature range and 40V load-dump tolerance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.5V to 36V - supports cold-crank (3.5V) and load-dump (40V transient) conditions in automotive systems. |
| Output Current | 600mA - rated continuous output; peak current limit 1.2A (typ) with ±12% accuracy for robust short-circuit protection. |
| Quiescent Current | 3.5µA at no load - enables always-on subsystems (e.g., CAN wake-up circuits) without draining battery. |
| Switching Frequency | 2.1MHz (typ), fixed - permits use of small 4.7µH inductors and 22µF ceramic output capacitors; avoids AM band interference. |
| Output Voltage Accuracy | ±2% for factory-trimmed 5V/3.3V outputs - ensures stable MCU core or sensor supply under full temperature and line variation. |
| Minimum On-Time | 66ns (typ) - enables high input-to-output ratios (e.g., 14V → 3.3V at 2.1MHz) without pulse-skipping instability. |
| PGOOD Threshold | 93.5% nominal rising / 93% falling - provides precise, debounced power-good signaling for microcontroller reset coordination. |
Pinout & Package
MAX20075DATCD/V+ is housed in a 3mm × 3mm, 12-pin side-wettable TDFN package (package code TD1233Y+2C) with exposed thermal pad connected to PGND for enhanced thermal performance in high-ambient automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 SPS | Spread-spectrum enable | Logic-high enables ±6% frequency dithering to reduce EMI peaks; internal 1MΩ pulldown ensures default disable. |
| 2 EN | High-voltage enable input | Accepts 3.3V–36V logic; no internal pullup/pulldown preserves ultra-low IQ; compatible with automotive KEY/CAN inhibit signals. |
| 3 BST | Bootstrap capacitor node | Drives high-side FET gate; requires 0.1µF ceramic cap between BST and LX for reliable bootstrapping in dropout. |
| 4 SUP | Main power input | 3.5V–36V supply rail; bypassed with 4.7µF ceramic to PGND to suppress high-frequency switching noise. |
| 5 LX | Switch node | Connects to inductor; carries high di/dt current; internal clamp diodes protect against negative transients to PGND/AGND. |
| 6 PGND | Power ground | Low-impedance return path for LX, SUP, and output current; must be separated from AGND to avoid noise coupling. |
| 7 AGND | Analog ground | Reference for FB, SYNC, SPS, PGOOD; isolated from PGND to maintain feedback accuracy and soft-start timing. |
| 8 FB | Feedback input | Senses output via resistor divider; 1.0V (±1.5%) reference enables 1V–10V programmable output or connects to BIAS for fixed 5V/3.3V. |
| 9 OUT | Regulated output | Buck output node; bypassed with 22µF ceramic to PGND; voltage monitored by FB and reported via PGOOD. |
| 10 BIAS | Internal 5V LDO output | Supplies internal circuitry; requires ≥1µF ceramic to AGND; powers external pullup for PGOOD when not using system rail. |
| 11 SYNC | Mode selection & sync input | Ground/open = skip mode; BIAS = forced PWM; internal 1MΩ pulldown enables default skip-mode operation. |
| 12 PGOOD | Open-drain power-good | Active-high signal pulled low if VOUT < 93% nominal; requires external 20kΩ pullup to BIAS or system rail. |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous buck with integrated FETs | Eliminates external MOSFETs and drivers - reduces BOM count, PCB area, and layout complexity for space-constrained ECUs. |
| AEC-Q100 qualified (-40°C to +125°C) | Validated for automotive powertrain, body control, and ADAS modules where reliability across extreme temperature cycles is mandatory. |
| 40V load-dump protection | Withstands ISO 7637-2 Pulse 5a transients without external TVS - simplifies front-end protection design in 12V/24V systems. |
| 2.5ms internal soft-start | Prevents inrush current during power-up; restarts automatically after fault clearance - avoids manual reset logic in safety systems. |
| 99% max duty cycle in dropout | Maintains regulation down to VIN ≈ VOUT + 0.3V - critical for start-stop engine operation where battery dips to 6V while powering 5V rails. |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Hub Power Supply |
|---|---|
Use Scenario: Powers microcontroller, LIN transceiver, and door-lock actuators from vehicle battery with start-stop capability. IC Role / Device Role / Timing Role: Primary 5V/3.3V point-of-load regulator delivering 600mA with ultra-low IQ to meet ISO 16750-2 sleep current requirements. Use Value: 3.5µA standby current extends battery life during weeks-long vehicle dormancy; 40V transient tolerance eliminates need for upstream TVS. |
Use Scenario: Supplies 3.3V to MEMS accelerometers, pressure sensors, and RS-485 transceivers in factory-floor condition monitoring nodes. IC Role / Device Role / Timing Role: Isolated, low-noise DC-DC stage converting 24V industrial bus to clean 3.3V analog domain supply. Use Value: 2.1MHz switching minimizes conducted EMI into sensitive analog sensor paths; PGOOD enables graceful firmware shutdown on undervoltage. |
| Automotive Infotainment Display Backlight | Telematics Control Unit (TCU) Core Rail |
Use Scenario: Generates 5V for display driver ICs and touch controller in head-unit displays subject to wide input voltage swings. IC Role / Device Role / Timing Role: High-efficiency buck converter operating in forced-PWM mode (via SYNC) to eliminate audible noise from ceramic capacitors. Use Value: Fixed 2.1MHz frequency prevents beat frequencies with display refresh rates; spread-spectrum option (SPS) further lowers radiated emissions. |
Use Scenario: Provides 3.3V core supply to cellular modem and GNSS receiver in always-connected vehicle telematics units. IC Role / Device Role / Timing Role: Always-on power rail with precise PGOOD signaling to coordinate LTE modem wake/sleep transitions. Use Value: ±2% output accuracy ensures modem RF section operates within specified VCC tolerance; 99% duty cycle sustains operation during cranking (6.5V battery). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20075DATCA/V+ | Same 0.6A rating and 2.1MHz frequency, but uses 3.3V fixed output (not 5V); 5.6µA standby IQ vs. 3.5µA. | Targeted for 3.3V-only systems (e.g., low-power MCUs); lacks 5V factory trim; identical pinout and package. | Select when 3.3V output is required and slightly higher standby current is acceptable - drop-in replacement with no layout change. |
| LM61480RQWR | 0.8A output, 4.5V–36V input, 2.1MHz, 4.5µA IQ, but not AEC-Q100 qualified; uses different pinout and requires external compensation. | General industrial use only; lacks automotive qualification, load-dump rating, and integrated soft-start; needs additional components. | Choose for cost-sensitive non-automotive designs where AEC-Q100 and 40V transient immunity are not required - not pin-compatible. |
Compared with MAX20075DATCA/V+, the MAX20075DATCD/V+ offers lower standby current and 5V factory trim - critical for battery-sensitive automotive modules. Versus LM61480RQWR, it delivers guaranteed automotive qualification, integrated features, and reduced BOM count - at the expense of broader industrial availability.
Availability
MAX20075DATCD/V+ is available at Aetrix Electronics and suitable for automotive body control, industrial sensor hubs, infotainment displays, and telematics units requiring stable component supply across extended temperature and high-reliability environments.
Supply support for MAX20075DATCD/V+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets.
The MAX20075D family targets compact, ultra-low-IQ DC-DC conversion in automotive subsystems - emphasizing AEC-Q100 compliance, 40V transient resilience, and minimal external component count for ECU space constraints.
FAQ
What is the maximum input voltage the MAX20075DATCD/V+ can withstand during load-dump events?
The MAX20075DATCD/V+ is rated for 40V transient input voltage per ISO 7637-2 Pulse 5a, allowing direct connection to automotive battery without external TVS diodes. This rating applies for ≤1s duration and is validated per AEC-Q100 stress testing - ensuring robustness in 12V and 24V vehicle platforms where load-dump spikes commonly reach 35V–40V.
Does the MAX20075DATCD/V+ support adjustable output voltages, and what is the accuracy?
Yes, the MAX20075DATCD/V+ supports 1V to 10V output via external resistor divider on the FB pin, with ±1.5% feedback reference accuracy (1.0V ±15mV). For fixed outputs, it ships trimmed to 5V or 3.3V with ±2% total output accuracy over temperature, line, and load - verified across -40°C to +125°C junction range.
How does the MAX20075DATCD/V+ achieve ultra-low 3.5µA quiescent current?
The MAX20075DATCD/V+ achieves 3.5µA standby current by disabling its internal high-voltage LDO after startup and powering internal circuitry from the regulated output rail during skip mode. This architecture - combined with automatic eight-cycle clock gating when the high-side FET remains off - reduces static consumption below typical buck controllers by >50%, meeting stringent automotive sleep-mode requirements.
Is the MAX20075DATCD/V+ pin-compatible with other devices in the MAX20075D/MAX20076D family?
Yes, all variants in the MAX20075D/MAX20076D/MAX25276D family share identical 12-pin side-wettable TDFN package (TD1233Y+2C), pinout, and footprint - including MAX20075DATCD/V+, MAX20075DATCA/V+, and MAX20076DATCB/V+. This allows design reuse across 0.6A and 1.2A versions and different fixed outputs without PCB revision.
What thermal performance can be expected from the MAX20075DATCD/V+ in a standard four-layer board layout?
On a standard four-layer JEDEC JESD51-7 board, the MAX20075DATCD/V+ exhibits θJA = 41°C/W and θJC = 9°C/W. With the exposed pad soldered to a 250mm² copper pour, it sustains 600mA continuous output at +85°C ambient without derating - and enters thermal shutdown only above +175°C junction temperature, with 15°C hysteresis for safe recovery.
MAX20075DATCD/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 12-WFDFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable (Fixed)
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.5V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 3V (3.6V)
- Voltage - Output (Max):
- 10V
- Current - Output:
- 600mA
- Frequency - Switching:
- 2.1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TDFN (3x3)
MAX20075DATCD/V+ FAQ
1.How can I place an order for MAX20075DATCD/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20075DATCD/V+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX20075DATCD/V+ reliable?
The price and inventory of MAX20075DATCD/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20075DATCD/V+ is usually 5 days.
3.What payment methods are accepted for MAX20075DATCD/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20075DATCD/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20075DATCD/V+?
MAX20075DATCD/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20075DATCD/V+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX20075DATCD/V+?
For technical support, including MAX20075DATCD/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20075DATCD/V+ requirements.
6.How does Aetrix verify that MAX20075DATCD/V+ is sourced from the original manufacturer or authorized distributors?
All MAX20075DATCD/V+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX20075DATCD/V+ meets industry standards.
7.What is the process for return or replacement of MAX20075DATCD/V+?
All MAX20075DATCD/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20075DATCD/V+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX20075DATCD/V+ part is unused and in its original packaging.
Return procedure for MAX20075DATCD/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX20075DATCD/V+ Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
