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Analog Devices Inc./Maxim Integrated MAX25210ATAA8/V+T
- Part No.:
- MAX25210ATAA8/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
MAX25210ATAA8/V+T.pdf
- Description:
- ATO707, HIGH VOLTAGE LDO IN P90D
- Quantity:
- Payment:
- Shipping:
Inventory:4,650
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Product details
Overview
MAX25210ATAA8/V+T from Analog Devices is an automotive-grade high-voltage linear regulator delivering 300mA output current with 10µA typical quiescent current, +3.5V to +36V input range, and 87.5% fixed RESET threshold-designed for battery-supplied ECUs, ADAS domain controllers, and infotainment power rails requiring cold-crank operation and load-dump tolerance.
For engineers reviewing the MAX25210ATAA8/V+T datasheet, MAX25210ATAA8/V+T pinout, MAX25210ATAA8/V+T application, or MAX25210ATAA8/V+T equivalent, this page delivers verified electrical specs, thermal behavior under automotive transients, RESET delay configuration logic, and validated alternative parts for AEC-Q100-compliant power management design.
Technical Context
The MAX25210ATAA8/V+T implements a high-side pass transistor architecture with internal feedback selection logic controlled by SET and SETOV pins, enabling seamless transition between 3.3V/5V fixed outputs and 0.6V–11V adjustable regulation via external resistor divider. Its UVLO (1.9V falling) and +42V transient-tolerant IN/ENABLE inputs ensure robustness during ISO 7637-2 load-dump pulses.
RESET functionality uses an open-drain output with factory-trimmed 87.5% falling-threshold detection and fixed 60µs timeout (extendable via TIMEOUT pin capacitor), while thermal shutdown activates at +170°C with 20°C hysteresis-critical for sustained operation in under-hood environments up to +125°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | +3.5V to +36V continuous; +42V tolerant for ≤1s-supports 12V/24V automotive batteries through load-dump events. |
| Output Current | 300mA max-enables direct powering of microcontrollers, CAN transceivers, and sensor signal chains without external boost. |
| Quiescent Current | 10µA typical at no load-meets <100µA module standby requirements per UNECE R100 and OEM low-power specs. |
| RESET Threshold | 87.5% of VOUT (falling edge)-guarantees deterministic system reset before brownout-induced MCU lockup. |
| Dropout Voltage | 280mV at 200mA-ensures stable 5V output down to VIN = 5.28V, critical for cold-crank (6.5V min) operation. |
| Operating Temperature | -40°C to +125°C ambient-qualified to AEC-Q100 Grade 1, validated for engine bay and transmission control units. |
| Package | 8-pin TDFN-EP (3mm × 3mm)-exposed pad enables ≤41°C/W θJA on 4-layer PCB, reducing thermal derating in compact modules. |
Pinout & Package
MAX25210ATAA8/V+T is housed in 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 rail | Bypassed with ≥1µF ceramic capacitor; withstands +42V transients-direct connection to battery or DC-DC output. |
| 2. ENABLE | Active-high enable control | Logic-level input (VIH = 2.4V); internally pulldown (0.25µA) for fail-safe shutdown; +42V tolerant. |
| 3. SET | Feedback mode selector | GND = fixed-output mode (3.3V/5V); IN or >2.4V = adjustable mode using external resistive divider. |
| 4. RESET | Open-drain reset indicator | Asserts low during VOUT undervoltage, thermal shutdown, or ENABLE deactivation-requires external pull-up. |
| 5. TIMEOUT | Reset timeout period adjust | Capacitor-to-GND extends default 60µs delay; supports µC-compatible reset timing across voltage domains. |
| 6. SETOV | Output voltage reference selector | GND = 3.3V fixed; OUT = 5V fixed; external divider = 0.6V–11V adjustable-sets FB node at 0.600V ±2%. |
| 7. GND | Power and signal ground | Common return path; must be tied to exposed pad and system ground plane for thermal and noise performance. |
| 8. OUT | Regulated output rail | Stable with ≥2.2µF ceramic capacitor; supplies downstream logic, sensors, or communication ICs at precise voltage. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 10µA typical at no load-reduces parasitic drain on vehicle battery during extended key-off periods. |
| Automotive transient resilience | +42V input/ENABLE tolerance and integrated load-dump protection eliminate need for external TVS diodes. |
| Integrated RESET generator | Fixed 87.5% threshold with 60µs minimum timeout-replaces discrete reset ICs and reduces BOM count by one component. |
| Flexible output configuration | Single device supports 3.3V, 5V, or 0.6V–11V outputs via pin-strapping or resistor divider-simplifies variant management. |
| Thermal fault recovery | +170°C shutdown with +20°C hysteresis-enables automatic restart after cooling, avoiding permanent latch-off in overheated enclosures. |
Applications
| Engine Control Unit (ECU) | Advanced Driver Assistance Systems (ADAS) |
|---|---|
|
Use Scenario: Powering 32-bit ARM-based MCU, CAN FD transceiver, and analog front-end in diesel ECU exposed to cold-crank (6.5V) and load-dump (+42V) events. IC Role / Device Role / Timing Role: Primary 5V LDO supplying core logic and interface peripherals with tight voltage regulation and deterministic reset sequencing. Use Value: 280mV dropout ensures uninterrupted operation during cranking; 87.5% RESET threshold prevents spurious resets during slow battery recovery. |
Use Scenario: Supplying image signal processor (ISP) and radar MMIC bias rails in forward-facing camera module operating at -40°C to +105°C ambient. IC Role / Device Role / Timing Role: Low-noise 3.3V regulator for analog sensor interfaces and high-speed digital I/O with minimal supply ripple. Use Value: 10µA IQ enables always-on vision processing during parking mode; 2.2µF output cap minimizes board area in tight optical housing. |
| Infotainment Head Unit | Body Control Module (BCM) |
|
Use Scenario: Providing clean 5V rail to touch controller, audio codec, and USB PHY in center-stack display unit subject to ignition cycling and RF noise. IC Role / Device Role / Timing Role: Secondary regulated supply decoupled from main DC-DC, delivering low-PSRR noise immunity for sensitive audio paths. Use Value: 60dB PSRR at 100Hz suppresses alternator ripple; open-drain RESET synchronizes firmware boot with system power-good assertion. |
Use Scenario: Powering LIN transceiver, EEPROM, and door-lock actuator drivers in distributed BCM nodes mounted near wheel wells. IC Role / Device Role / Timing Role: Robust 3.3V source with thermal foldback protecting against sealed-enclosure overheating during summer operation. Use Value: +125°C ambient rating avoids derating; exposed pad soldered to 2oz copper plane maintains TJ < +150°C at full 300mA load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage, ultra-low-IQ linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX25210ATAB8/V+ | 200mA output current, identical 87.5% RESET threshold and pinout-same thermal profile but lower current capability. | Suitable for lower-power modules (e.g., smart junction boxes) where 300mA headroom is unnecessary. | Select when load current stays ≤200mA to reduce cost and simplify thermal design without sacrificing AEC-Q100 compliance. |
| TLV73333PDBVR | 300mA, 3.3V fixed, 65µA IQ, +5.5V max input-lacks automotive qualification, transient tolerance, and RESET function. | Limited to non-automotive industrial or consumer applications with benign supply conditions. | Use only in non-automotive designs where AEC-Q100, load-dump immunity, and integrated RESET are not required. |
Compared with MAX25210ATAB8/V+, the MAX25210ATAA8/V+T provides 50% higher output current for demanding ECUs; versus TLV73333PDBVR, it delivers automotive-grade reliability, 10× lower IQ, and system-level RESET integration-making it irreplaceable in safety-critical vehicle networks.
Availability
MAX25210ATAA8/V+T is available at Aetrix Electronics and suitable for automotive electronic control units, ADAS sensor modules, and body electronics requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MAX25210ATAA8/V+T 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 precision power, sensing, and connectivity solutions.
The MAX25210ATAA8/V+T belongs to Analog Devices' automotive ultra-low-quiescent-current linear regulator family, engineered specifically for AEC-Q100-compliant power management in battery-sensitive, high-transient environments like modern E/E architectures.
FAQ
What is the maximum input voltage the MAX25210ATAA8/V+T can withstand?
The MAX25210ATAA8/V+T supports +3.5V to +36V continuous input voltage and is rated for +42V transient tolerance on the IN and ENABLE pins for durations up to 1 second-fully compliant with ISO 7637-2 Pulse 5a load-dump requirements for 12V automotive systems. This eliminates the need for external TVS diodes in most ECU designs.
How does the RESET output of the MAX25210ATAA8/V+T behave during thermal shutdown?
During thermal shutdown, the MAX25210ATAA8/V+T asserts its open-drain RESET output low-identical to its behavior during VOUT undervoltage or ENABLE deactivation. This ensures system-level fault signaling regardless of failure mode. RESET remains low until both thermal recovery (TJ drops 20°C below +170°C) and VOUT exceeds the 87.5% threshold.
Can the MAX25210ATAA8/V+T be configured for 3.3V output, and how is it set?
Yes, the MAX25210ATAA8/V+T supports 3.3V fixed output. To configure it, connect the SET pin to GND and the SETOV pin to GND-this selects the internal 3.3V feedback network. Output voltage is guaranteed at 3.234V to 3.366V over -40°C to +125°C ambient and 1mA–300mA load current.
What is the minimum output capacitor required for stable operation of the MAX25210ATAA8/V+T?
The MAX25210ATAA8/V+T requires a minimum 2.2µF low-ESR ceramic capacitor (X7R/X5R) on the OUT pin for stable operation with 3.3V or 5V fixed outputs. For adjustable outputs (0.6V–11V), a 10µF capacitor is recommended. Using smaller values risks instability, especially across temperature extremes.
Does the MAX25210ATAA8/V+T support adjustable output voltage, and what is the range?
Yes, the MAX25210ATAA8/V+T supports adjustable output voltage from +0.6V to +11V using an external resistive divider between OUT and SETOV. The SET pin must be driven above 2.4V (e.g., connected to IN), and the feedback voltage at SETOV is precisely trimmed to 0.600V ±2%, enabling accurate programmable regulation.
MAX25210ATAA8/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:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 3.3V, 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.77V @ 300mA
- Current - Output:
- 300mA
- 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)
MAX25210ATAA8/V+T FAQ
1.How can I place an order for MAX25210ATAA8/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX25210ATAA8/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 MAX25210ATAA8/V+T reliable?
The price and inventory of MAX25210ATAA8/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 MAX25210ATAA8/V+T is usually 5 days.
3.What payment methods are accepted for MAX25210ATAA8/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX25210ATAA8/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX25210ATAA8/V+T?
MAX25210ATAA8/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX25210ATAA8/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 MAX25210ATAA8/V+T?
For technical support, including MAX25210ATAA8/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX25210ATAA8/V+T requirements.
6.How does Aetrix verify that MAX25210ATAA8/V+T is sourced from the original manufacturer or authorized distributors?
All MAX25210ATAA8/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 MAX25210ATAA8/V+T meets industry standards.
7.What is the process for return or replacement of MAX25210ATAA8/V+T?
All MAX25210ATAA8/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX25210ATAA8/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 MAX25210ATAA8/V+T part is unused and in its original packaging.
Return procedure for MAX25210ATAA8/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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