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Analog Devices Inc./Maxim Integrated MAX25210ATAB9/V+T
- Part No.:
- MAX25210ATAB9/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX25210ATAB9/V+T.pdf
- Description:
- ATO707, HIGH VOLTAGE LDO IN P90D
- Quantity:
- Payment:
- Shipping:
Inventory:2,964
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Product details
Overview
MAX25210ATAB9/V+ from Analog Devices is an automotive-grade, high-voltage linear regulator delivering 200mA output current with 10µA typical quiescent current, +3.5V to +36V input range, +42V transient tolerance, and fixed 93.5% output-voltage RESET threshold. It operates across –40°C to +125°C and supports fixed +3.3V/+5V or adjustable +0.6V to +11V outputs in automotive power-supply systems.
For engineers reviewing the MAX25210ATAB9/V+ datasheet, MAX25210ATAB9/V+ pinout, MAX25210ATAB9/V+ application, or MAX25210ATAB9/V+ equivalent, this page delivers verified electrical parameters, thermal performance data, RESET timing behavior, package footprint details, and validated alternative parts for AEC-Q100-compliant vehicle electronics design.
Technical Context
The MAX25210ATAB9/V+ integrates a precision bandgap reference, low-dropout pass transistor, and internal feedback multiplexer enabling dual fixed-output (3.3V/5V) or external-resistor-programmable operation. Its ENABLE input withstands +42V and features an internal 0.25µA pulldown for reliable shutdown control without external pull-down resistors.
RESET functionality uses an open-drain output with factory-trimmed 93.5% falling-threshold detection and 60µs default timeout-extendable via TIMEOUT pin capacitor-to meet microcontroller reset timing requirements under cold-crank and load-dump conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 200mA continuous - sufficient to power MCU cores, CAN transceivers, and sensor signal chains in body control modules. |
| Quiescent Current | 10µA typical at no load - enables >10-year battery standby life in always-on automotive subsystems. |
| Input Voltage Range | +3.5V to +36V continuous, +42V transient tolerant - survives ISO 7637-2 load-dump pulses without external clamping. |
| RESET Threshold | 93.5% of VOUT (falling edge) - ensures deterministic system reset before brownout-induced logic corruption. |
| Dropout Voltage | 300mV typical at 200mA - maintains regulation during cold-crank down to 3.5V battery voltage. |
| Operating Temperature | –40°C to +125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood and infotainment applications. |
| Package | 8-pin TDFN-EP, 3mm × 3mm - thermally enhanced footprint with exposed pad for ≤41°C/W θJA on 4-layer PCB. |
Pinout & Package
MAX25210ATAB9/V+ uses an 8-pin thermally enhanced TDFN-EP package (3mm × 3mm, outline 21-0137) with exposed thermal pad connected to GND for optimal heat dissipation in space-constrained automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | High-voltage input supply | Bypassed with ≥1µF ceramic capacitor; accepts +3.5V to +42V transients without damage. |
| 2 ENABLE | Active-high enable control | Logic-high (>2.4V) enables regulation; internally pulled down (0.25µA) for fail-safe shutdown when floating. |
| 3 SET | Mode selection input | Grounded for fixed-output mode; driven >2.4V for adjustable-output mode using external resistor divider. |
| 4 RESET | Open-drain active-low reset output | Asserts low during undervoltage, thermal shutdown, or ENABLE deactivation; requires external pull-up ≥1.5V. |
| 5 TIMEOUT | Reset timeout period adjust | Connect capacitor to GND to extend default 60µs delay; 1.25ms/nF scaling factor enables µC-compatible timing. |
| 6 SETOV | Output voltage selector / feedback node | GND = 3.3V fixed; OUT = 5V fixed; external divider = 0.6V–11V adjustable output with 0.600V reference. |
| 7 GND | Power and signal ground | Must be connected to PCB ground plane; exposed pad tied directly to GND for thermal conduction. |
| 8 OUT | Regulated output | Stable with ≥2.2µF ceramic capacitor; supports 200mA load with <12mV load regulation error. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C operation with lifetime reliability in automotive power rails. |
| Low-dropout operation | 280mV dropout at 200mA enables stable 3.3V output from 3.5V cold-crank battery input. |
| Integrated RESET generator | Eliminates discrete reset IC; 93.5% threshold + adjustable timeout meets ISO 26262 ASIL-B monitoring needs. |
| Thermal and short-circuit protection | Auto-restarts after +170°C shutdown with +20°C hysteresis; survives indefinite output short to GND. |
| High-voltage ENABLE input | +42V tolerant ENABLE allows direct connection to battery rail or high-side switch control without level-shifting. |
Applications
| Automotive Body Control Module | ADAS Camera Power Supply |
|---|---|
|
Use Scenario: Powers microcontroller, LIN transceiver, and door-lock actuator drivers in BCM units exposed to load-dump and cold-crank events. IC Role / Device Role / Timing Role: Primary 3.3V/5V LDO supplying always-on logic domain with ultra-low IQ to minimize parasitic drain. Use Value: 10µA quiescent current extends 12V battery life beyond 10 years in parked vehicle state; +42V tolerance avoids external TVS diodes. |
Use Scenario: Supplies image sensor and ISP in rear-view or surround-view cameras requiring clean, stable voltage under EMI-rich engine bay conditions. IC Role / Device Role / Timing Role: Low-noise, high-PSRR LDO providing regulated 3.3V to analog front-end and digital core. Use Value: 60dB PSRR at 100Hz suppresses alternator ripple; 2.2µF output capacitor minimizes board area while ensuring stability over temperature. |
| Industrial Telematics Gateway | Commercial Vehicle Telematics Unit |
|
Use Scenario: Powers cellular modem, GNSS receiver, and secure element in fleet-management gateways operating across wide ambient temperatures. IC Role / Device Role / Timing Role: High-voltage input LDO with RESET output coordinating safe boot sequence for multi-core SoC. Use Value: 93.5% RESET threshold guarantees deterministic restart before memory corruption; TIMEOUT pin enables configurable reset hold time for diverse µC families. |
Use Scenario: Regulates power to CAN FD controller, GPS module, and eSIM in heavy-duty truck telematics units subject to ISO 16750-2 electrical stress. IC Role / Device Role / Timing Role: Robust LDO with thermal foldback and short-circuit protection sustaining operation during wiring faults. Use Value: +170°C thermal shutdown with 20°C hysteresis prevents latch-up during sustained overload; exposed pad lowers junction-to-ambient thermal resistance to 41°C/W. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage, low-quiescent-current LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX25210ATAB8/V+ | Identical package, pinout, and 200mA rating but uses 87.5% RESET threshold instead of 93.5%. | Suitable where earlier reset assertion is required during gradual output sag, e.g., pre-reset warning in dashboard clusters. | Select MAX25210ATAB8/V+ only if system firmware expects lower reset threshold; otherwise MAX25210ATAB9/V+ provides tighter margin against false resets. |
| TPS7B8750QKVURQ1 | 500mA output, 27µA IQ, 45V max input, 92% RESET threshold, SOIC-8 package (5mm × 4mm). | Larger footprint and higher IQ limit use in ultra-low-power always-on nodes; higher current supports multi-rail systems. | Choose TPS7B8750QKVURQ1 when >200mA load or SOIC-8 assembly compatibility is required; MAX25210ATAB9/V+ preferred for space-constrained TDFN designs. |
Compared with MAX25210ATAB8/V+, the MAX25210ATAB9/V+ offers higher RESET threshold margin for noise-immune reset triggering; versus TPS7B8750QKVURQ1, it provides smaller 3mm × 3mm TDFN footprint and lower 10µA quiescent current for extended battery life.
Availability
MAX25210ATAB9/V+ is available at Aetrix Electronics and suitable for automotive body control modules, ADAS camera power supplies, industrial telematics gateways, and commercial vehicle telematics units requiring stable component supply across extended temperature and voltage ranges.
Supply support for MAX25210ATAB9/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 with AEC-Q100-qualified power solutions.
The MAX25210 family was designed specifically for automotive power management in battery-fed ECUs, emphasizing ultra-low quiescent current, load-dump resilience, and integrated system monitoring functions like RESET generation.
FAQ
What is the guaranteed RESET timeout period for MAX25210ATAB9/V+ when no external capacitor is connected?
The MAX25210ATAB9/V+ provides a fixed 60µs RESET timeout period when the TIMEOUT pin is left unconnected. This default delay is generated by internal capacitance and current source, ensuring consistent reset hold time across temperature and process variations without requiring external components. The MAX25210ATAB9/V+ datasheet specifies this value as guaranteed under all operating conditions from –40°C to +125°C ambient.
Can MAX25210ATAB9/V+ be used in adjustable-output mode, and what is the supported voltage range?
Yes, MAX25210ATAB9/V+ supports adjustable-output mode by connecting the SET pin to IN (or >2.4V) and configuring SETOV with an external resistive divider between OUT and GND. In this configuration, the MAX25210ATAB9/V+ delivers output voltages from +0.6V to +11V, referenced to its internal 0.600V SETOV feedback voltage. Stability requires ≥10µF output capacitance in adjustable mode per the MAX25210ATAB9/V+ datasheet.
What thermal protection behavior does MAX25210ATAB9/V+ exhibit during sustained overload?
Under sustained overload causing junction temperature to exceed +170°C, the MAX25210ATAB9/V+ disables its pass transistor and enters thermal shutdown. It remains off until the die cools by +20°C hysteresis, then automatically resumes regulation. This cycling behavior protects the MAX25210ATAB9/V+ from permanent damage while maintaining visibility of fault condition through repeated RESET assertions during thermal events.
How does the ENABLE pin of MAX25210ATAB9/V+ behave when left unconnected?
When left unconnected, the ENABLE pin of MAX25210ATAB9/V+ is actively pulled down to GND by an internal 0.25µA current sink, placing the device in low-power shutdown mode consuming only 2µA typical. This fail-safe behavior eliminates need for external pull-down resistors and ensures defined state during PCB handling or open-circuit conditions in automotive harnesses.
What is the minimum output capacitance required for stable operation of MAX25210ATAB9/V+ in fixed 5V mode?
For stable operation in fixed 5V output mode, MAX25210ATAB9/V+ requires a minimum 2.2µF low-ESR ceramic capacitor (X7R/X5R) between OUT and GND. This value is validated across –40°C to +125°C and ensures phase margin >45°, load-transient response within 50µs, and PSRR >60dB at 100Hz. Using smaller capacitors risks oscillation or excessive overshoot during step-load changes.
MAX25210ATAB9/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):
- 3.3V, 5V
- Voltage - Output (Max):
- -
- 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, UVLO
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TDFN (3x3)
MAX25210ATAB9/V+T FAQ
1.How can I place an order for MAX25210ATAB9/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX25210ATAB9/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 MAX25210ATAB9/V+T reliable?
The price and inventory of MAX25210ATAB9/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 MAX25210ATAB9/V+T is usually 5 days.
3.What payment methods are accepted for MAX25210ATAB9/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX25210ATAB9/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX25210ATAB9/V+T?
MAX25210ATAB9/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX25210ATAB9/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 MAX25210ATAB9/V+T?
For technical support, including MAX25210ATAB9/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX25210ATAB9/V+T requirements.
6.How does Aetrix verify that MAX25210ATAB9/V+T is sourced from the original manufacturer or authorized distributors?
All MAX25210ATAB9/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 MAX25210ATAB9/V+T meets industry standards.
7.What is the process for return or replacement of MAX25210ATAB9/V+T?
All MAX25210ATAB9/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX25210ATAB9/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 MAX25210ATAB9/V+T part is unused and in its original packaging.
Return procedure for MAX25210ATAB9/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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