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Analog Devices Inc./Maxim Integrated MAX25210ATAB8/V+T
- Part No.:
- MAX25210ATAB8/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX25210ATAB8/V+T.pdf
- Description:
- ATO707, HIGH VOLTAGE LDO IN P90D
- Quantity:
- Payment:
- Shipping:
Inventory:2,272
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Product details
Overview
The MAX25210ATAB8/V+ from Analog Devices is an automotive-grade, high-voltage linear regulator delivering 200mA output current with ultra-low 10µA quiescent current and +3.5V to +36V input range. It supports fixed +3.3V or +5V outputs (this variant uses 87.5% RESET threshold) and operates across -40°C to +125°C for engine control units and ADAS power rails.
For engineers reviewing the MAX25210ATAB8/V+ datasheet, MAX25210ATAB8/V+ pinout, MAX25210ATAB8/V+ application, or MAX25210ATAB8/V+ equivalent, key selection criteria include its 280mV dropout at 200mA, AEC-Q100 qualification, open-drain RESET with adjustable timeout, thermal shutdown at +170°C, and compatibility with 2.2µF ceramic output capacitors.
Technical Context
The MAX25210ATAB8/V+ integrates a precision bandgap reference, UVLO circuitry (2.2V falling), and thermal foldback protection. Its SET/SETOV dual-input configuration enables mode selection between internal fixed-output regulation (+3.3V/+5V) and external resistive divider-based adjustable output (0.6V–11V).
RESET functionality uses an internal comparator monitoring OUT voltage against 87.5% of nominal VOUT, asserting active-low for ≥60µs after recovery; TIMEOUT pin allows extension via external capacitor. ENABLE withstands +42V transients and features 0.25µA internal pulldown for reliable shutdown control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +3.5V to +36V continuous; +42V transient tolerant for load-dump survival |
| Output Current | 200mA maximum - sufficient for microcontroller core rails and sensor interfaces |
| Quiescent Current | 10µA typical at no load - enables >10-year battery life in always-on automotive modules |
| Dropout Voltage | 280mV at 200mA - maintains regulation during cold-crank down to +3.5V input |
| RESET Threshold | 87.5% of VOUT - provides early fault detection before downstream logic fails |
| Operating Temperature | -40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood deployment |
| Shutdown Current | 2µA typical - ensures minimal parasitic drain when system is powered off |
Pinout & Package
MAX25210ATAB8/V+ uses an 8-pin TDFN-EP package (3mm × 3mm, exposed thermal pad), optimized for thermal performance in space-constrained automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | Regulator input | Bypassed with ≥1µF low-ESR ceramic; accepts +3.5V–+36V supply with +42V transient tolerance |
| 2 ENABLE | Active-high enable | Logic-level input with +42V tolerance and internal 0.25µA pulldown - simplifies direct connection to battery or MCU GPIO |
| 3 SET | Mode selector | Grounded for fixed-output mode; driven high (>2.4V) for adjustable-output configuration using external resistor divider |
| 4 RESET | Open-drain reset output | Asserts low when VOUT falls below 87.5%; requires external pull-up; used for µC reset sequencing |
| 5 TIMEOUT | Reset timeout adjust | Connect capacitor to GND to extend default 60µs delay - supports wide range of processor reset timing requirements |
| 6 SETOV | Output voltage selector | Connected to GND for +3.3V, to OUT for +5V, or to external divider for adjustable output (0.6V–11V) |
| 7 GND | Power ground | Reference for all analog circuitry; must be connected to PCB ground plane with multiple vias to exposed pad |
| 8 OUT | Regulated output | Delivers up to 200mA; stable with ≥2.2µF ceramic capacitor; feeds downstream logic or sensors |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 qualified | Grade 1 (-40°C to +125°C) certification - meets automotive reliability and stress-test requirements |
| Adjustable RESET timeout | Default 60µs delay extended via external capacitor - eliminates need for discrete timer ICs in reset circuits |
| Low-dropout operation | 280mV dropout at 200mA - sustains regulated output during engine cranking (≥+3.5V battery) |
| Thermal and short-circuit protection | Auto-shutdown at +170°C with 20°C hysteresis; survives continuous short to GND - enhances system robustness |
| Stable with small output capacitor | 2.2µF ceramic capacitor sufficient for stability - reduces BOM cost and board area vs. larger electrolytics |
Applications
| Engine Control Unit (ECU) Power Supply | ADAS Camera Module Bias Rail |
|---|---|
Use Scenario: Powers microcontroller, CAN transceiver, and analog front-end in gasoline/diesel ECU modules. IC Role / Device Role / Timing Role: Primary 3.3V/5V LDO supplying critical digital and analog subsystems with cold-crank resilience. Use Value: 10µA quiescent current prevents battery drain during vehicle sleep mode; +42V tolerance handles alternator load dump. |
Use Scenario: Supplies image sensor and ISP in forward-facing camera systems requiring low-noise, stable bias. IC Role / Device Role / Timing Role: Low-noise linear regulator providing clean 3.3V rail; RESET monitors rail integrity for fail-safe shutdown. Use Value: 2.2µF ceramic output capacitor minimizes footprint while maintaining PSRR >60dB at 100Hz for noise-sensitive imaging paths. |
| Automotive Infotainment Display Backlight Driver | Telematics Control Unit (TCU) Core Logic Rail |
Use Scenario: Generates bias voltage for LED driver ICs in LCD instrument clusters and center displays. IC Role / Device Role / Timing Role: Fixed-output LDO delivering 5V to backlight controller; RESET signals fault to main SoC. Use Value: 87.5% RESET threshold detects brownout before display corruption occurs; thermal shutdown prevents overheating in sealed enclosures. |
Use Scenario: Powers cellular modem, GNSS receiver, and security MCU in always-connected TCU modules. IC Role / Device Role / Timing Role: Ultra-low-IQ regulator enabling >10-year battery backup life; ENABLE controlled by host processor for power gating. Use Value: 2µA shutdown current ensures compliance with ISO 16750-2 quiescent current limits for parked vehicle scenarios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage, low-quiescent-current linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX25210ATAA8/V+ | 300mA output current; identical pinout, package, and RESET threshold (87.5%) | Suitable where higher load current is required without layout change | Select when downstream load exceeds 200mA but thermal budget permits higher dissipation |
| TLV73325PDBVR | Lower input range (1.4V–5.5V); 300mA output; 3.5µA IQ; no RESET or AEC-Q100 rating | Limited to non-automotive, low-voltage applications only | Use only in industrial or consumer systems with <5.5V supply and no automotive qualification requirement |
Compared with MAX25210ATAA8/V+, the MAX25210ATAB8/V+ trades 100mA output capacity for lower thermal load in constrained spaces; versus TLV73325PDBVR, it delivers automotive-grade transient robustness, RESET supervision, and wide-input capability essential for 12V/24V vehicle architectures.
Availability
MAX25210ATAB8/V+ is available at Aetrix Electronics and suitable for automotive ECU, ADAS camera modules, infotainment displays, and telematics control units requiring stable component supply across extended temperature and high-reliability environments.
Supply support for MAX25210ATAB8/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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets.
The MAX25210 family is designed specifically for automotive power management, targeting ultra-low-quiescent-current regulation in engine control, ADAS, and infotainment systems operating from 12V/24V batteries.
FAQ
What output voltage options does the MAX25210ATAB8/V+ support?
The MAX25210ATAB8/V+ supports fixed +3.3V and +5V outputs via SET and SETOV pin configurations. When SET is grounded and SETOV tied to GND, it delivers +3.3V; when SETOV connects to OUT, it delivers +5V. It does not support adjustable output unless SET is driven high, which is not the default configuration for this variant.
How does the RESET function work on the MAX25210ATAB8/V+?
The MAX25210ATAB8/V+ features an open-drain, active-low RESET output that asserts when the OUT voltage falls below 87.5% of its nominal value. After recovery, RESET remains low for a minimum of 60µs (extendable via TIMEOUT capacitor) before going high. It also asserts during ENABLE deactivation and thermal shutdown.
Is the MAX25210ATAB8/V+ AEC-Q100 qualified?
Yes, the MAX25210ATAB8/V+ is AEC-Q100 qualified for Grade 1 operation (-40°C to +125°C ambient), including stress testing for temperature cycling, humidity, and mechanical shock - confirming suitability for under-hood automotive applications.
What is the minimum output capacitor required for stability with the MAX25210ATAB8/V+?
The MAX25210ATAB8/V+ is stable with a minimum 2.2µF low-ESR ceramic capacitor (X7R/X5R) on the OUT pin for fixed +3.3V or +5V operation. For adjustable output configurations, a 10µF ceramic capacitor is recommended to ensure phase margin across the full 0.6V–11V range.
Can the MAX25210ATAB8/V+ operate during cold-crank conditions?
Yes, the MAX25210ATAB8/V+ operates down to +3.5V input, supporting cold-crank battery voltages as low as 3.5V while maintaining regulation. Its 280mV dropout voltage at 200mA ensures uninterrupted power delivery to critical loads during engine start.
MAX25210ATAB8/V+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 0.6V (3.3V, 5V)
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 0.5V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 38 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (100Hz)
- Control Features:
- Enable, Reset Out
- Protection Features:
- Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (3x3)
MAX25210ATAB8/V+T FAQ
1.How can I place an order for MAX25210ATAB8/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX25210ATAB8/V+T 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 MAX25210ATAB8/V+T reliable?
The price and inventory of MAX25210ATAB8/V+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX25210ATAB8/V+T is usually 5 days.
3.What payment methods are accepted for MAX25210ATAB8/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX25210ATAB8/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX25210ATAB8/V+T?
MAX25210ATAB8/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX25210ATAB8/V+T 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 MAX25210ATAB8/V+T?
For technical support, including MAX25210ATAB8/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX25210ATAB8/V+T requirements.
6.How does Aetrix verify that MAX25210ATAB8/V+T is sourced from the original manufacturer or authorized distributors?
All MAX25210ATAB8/V+T 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 MAX25210ATAB8/V+T meets industry standards.
7.What is the process for return or replacement of MAX25210ATAB8/V+T?
All MAX25210ATAB8/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX25210ATAB8/V+T, 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 MAX25210ATAB8/V+T part is unused and in its original packaging.
Return procedure for MAX25210ATAB8/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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