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Analog Devices Inc./Maxim Integrated MAX15010ATJ+
- Part No.:
- MAX15010ATJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
MAX15010ATJ+.pdf
- Description:
- IC REG LINEAR POS ADJ 32TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,815
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Product details
Overview
MAX15010ATJ+ from Maxim Integrated is a 300mA LDO voltage regulator with integrated voltage tracker, designed for automotive and industrial power management in 5V–40V supply systems. It delivers fixed 5V or adjustable 1.8V–11V output, features ±3mV tracking accuracy, 67µA quiescent current at light load, and operates across –40°C to +125°C. It powers always-on circuits during key-off conditions in vehicle infotainment and sensor interface modules.
For engineers reviewing the MAX15010ATJ+ datasheet, MAX15010ATJ+ pinout, MAX15010ATJ+ application, or MAX15010ATJ+ equivalent, this page provides verified functional identity, validated pin roles, confirmed thermal and electrical specs, and real-world design context for automotive-grade power sequencing and ratiometric sensor biasing.
Technical Context
The MAX15010ATJ+ integrates two independent regulated outputs: a 300mA LDO with enable/hold/reset control logic and a 50mA precision voltage tracker with ±3mV line/load accuracy. Its tracker supports ratiometric operation by accepting ADJ input from either the LDO output or an external reference, enabling accurate remote sensor excitation without gain drift.
It employs dual ground domains (SGND and PGND), internal 1.235V reference with ±0.5% tolerance over temperature, and robust protection including thermal shutdown at +160°C and IN undervoltage lockout at 4.27V (typ) with 260mV hysteresis - all specified for continuous operation up to +125°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5V to 40V - supports direct battery connection in 12V/24V automotive systems and withstands 45V load-dump transients. |
| LDO Output Current | 300mA - sufficient to power microcontrollers, CAN transceivers, and analog front-ends in embedded ECUs. |
| Quiescent Current | 67µA (typ) at light load - enables low-power "key-off" operation without draining vehicle battery. |
| Tracking Accuracy | ±3mV over line/load/temperature - ensures stable ratiometric bias for precision ADCs and bridge sensors. |
| Operating Temperature | –40°C to +125°C - fully qualified for under-hood and industrial control environments. |
| Droop Performance | 0.15mV/mA load regulation - maintains tight output stability across full 300mA load range. |
| PSRR @ 100Hz | 60dB - suppresses low-frequency ripple from alternator or switching pre-regulators. |
Pinout & Package
MAX15010ATJ+ uses a thermally enhanced 32-pin TQFN package (5mm × 5mm, exposed pad), optimized for high-temperature automotive PCB layouts. The EP must be soldered to SGND for thermal dissipation and noise control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT_LDO (Pins 21,22) | LDO Regulator Output | Delivers regulated 5V (fixed) or 1.8V–11V (adjustable); requires ≥22µF low-ESR ceramic bypass to SGND. |
| EN_LDO (Pin 16) | Active-High LDO Enable | Enables regulator when pulled ≥2V; internally pulled down to SGND (1µA sink) for default disable. |
| HOLD (Pin 25) | Active-Low Latch Control | Latches EN_LDO state to maintain regulation during transient EN_LDO loss; pulled up to OUT_LDO (0.6µA). |
| RESET (Pin 7) | Open-Drain µP Reset | Asserts low while VOUT_LDO < 90% of target; timeout programmable via CT capacitor (1ms–2ms typical). |
| OUT_TRK (Pin 3) | Tracker Output | Supplies up to 50mA with ±3mV accuracy; bypassed to SGND with ≥10µF low-ESR capacitor. |
| ADJ (Pin 4) | Tracker Reference Input | Accepts LDO output or external source to define tracker output; enables ratiometric or offset tracking. |
| FB_TRK (Pin 29) | Tracker Feedback | Connects directly to OUT_TRK or external divider to set output voltage relative to ADJ. |
| IN (Pins 19,20) | Main Supply Input | Accepts 5V–40V; bypassed to SGND with ≥10µF low-ESR capacitor to handle transients. |
Key Features
| Feature | Design Value |
|---|---|
| Independent Enable/Hold Logic | Allows seamless power sequencing: HOLD latches EN_LDO state to sustain regulation during microcontroller reset cycles. |
| Microprocessor Reset with Adjustable Timeout | RESET output holds low for user-defined duration (via CT capacitor) after VOUT_LDO stabilizes - eliminates false resets during brownouts. |
| ±3mV Precision Voltage Tracking | Enables true ratiometric sensor excitation where tracker output tracks LDO or external reference within 0.06% error. |
| Reverse-Battery & Negative-Voltage Protection | Withstands –5V on OUT_TRK and –20V on TRACK inputs - critical for industrial field wiring fault resilience. |
| Low-IQ Always-On Operation | 67µA quiescent current at 1mA load allows >1-year battery life in key-off monitoring applications (e.g., telematics wake-up). |
Applications
| Automotive Infotainment Power | Industrial Sensor Biasing |
|---|---|
|
Use Scenario: Powers audio DSP, display controller, and touch interface in head-unit systems during ignition-off sleep mode. IC Role / Device Role / Timing Role: Provides stable 5V rail with ultra-low IQ and precise RESET timing to manage system wake/sleep transitions. Use Value: Prevents battery drain while ensuring deterministic power-up sequence upon ignition reactivation. |
Use Scenario: Supplies excitation voltage to strain-gauge bridges and RTD sensors in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: Delivers ratiometric tracker output synchronized to main LDO, eliminating gain drift from supply variation. Use Value: Achieves <0.1% measurement error over 5V–40V input range and –40°C to +85°C ambient. |
| Telematics Control Unit (TCU) | Vehicle Body Controller (BCM) |
|
Use Scenario: Powers GPS/GNSS receiver, cellular modem, and CAN FD transceiver in always-connected fleet management units. IC Role / Device Role / Timing Role: Combines LDO regulation, tracker for RF front-end bias, and RESET for host MCU coordination. Use Value: Enables reliable cold-cranking operation down to 5V input and survives 45V load-dump events per ISO 7637-2. |
Use Scenario: Manages power to door module MCUs, LED drivers, and LIN transceivers in distributed body electronics. IC Role / Device Role / Timing Role: Uses HOLD input to maintain regulation during CAN bus wake pulses while EN_LDO is momentarily inactive. Use Value: Eliminates need for external latch circuitry, reducing BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO-with-tracker applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX15008ATJ+ | Includes OVP controller (GATE/SOURCE/FB_PROT pins) and same LDO+tracker core; adds external MOSFET-based overvoltage protection. | Suitable for systems requiring active load-disconnect during battery overvoltage (e.g., 48V mild-hybrid gateways). | Select MAX15008ATJ+ only if OVP functionality is required; MAX15010ATJ+ reduces component count where OVP is handled externally. |
| TLE42754G | 5V fixed LDO only (no tracker); 150mA output; higher IQ (120µA); no RESET or HOLD functions. | Used in cost-sensitive body electronics where ratiometric sensing is not needed and lower current suffices. | Choose TLE42754G for simple 5V biasing without tracking or sequencing; MAX15010ATJ+ adds precision and flexibility at higher integration level. |
Compared with MAX15008ATJ+, MAX15010ATJ+ removes OVP circuitry to reduce pin count and simplify layout, while retaining identical LDO and tracker performance. Against TLE42754G, it doubles output current, cuts quiescent current by 44%, and adds tracker/RESET/HOLD for advanced power management.
Availability
MAX15010ATJ+ is available at Aetrix Electronics and suitable for automotive infotainment, industrial sensor interfaces, and telematics control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX15010ATJ+ 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
Maxim Integrated (now part of Analog Devices) designs high-reliability analog and mixed-signal ICs for automotive, industrial, and communications markets, emphasizing robustness, precision, and integration.
The MAX15010ATJ+ belongs to Maxim's automotive-grade power management portfolio, engineered specifically for demanding 12V/24V vehicle systems needing low-quiescent-current regulation, precise ratiometric tracking, and extended-temperature operation.
FAQ
What is the maximum output current capability of the MAX15010ATJ+ LDO regulator?
The MAX15010ATJ+ LDO regulator delivers up to 300mA of continuous output current, with a minimum current limit of 330mA. This rating is valid across the full –40°C to +125°C operating temperature range and supports loads such as microcontrollers, CAN transceivers, and analog signal chains in automotive ECUs. Derating applies above +70°C ambient due to thermal limits of the 32-pin TQFN package.
Does the MAX15010ATJ+ support adjustable output voltage, and how is it configured?
Yes, the MAX15010ATJ+ supports adjustable LDO output from 1.8V to 11.0V using an external resistive divider connected to FB_LDO (Pin 15). When FB_LDO is shorted to SGND, the device defaults to a fixed 5V output. The internal feedback reference is 1.235V ±0.5%, enabling precise output setting with standard resistor tolerances.
How does the voltage tracker in the MAX15010ATJ+ achieve ±3mV accuracy?
The MAX15010ATJ+ voltage tracker achieves ±3mV tracking accuracy over line, load, and temperature by using matched internal amplifier stages, low-drift reference circuitry, and dedicated ADJ/FB_TRK inputs that decouple tracking error from supply variations. This accuracy is guaranteed across 0.1mA–50mA output current and 6V–28V input range, making it suitable for precision ratiometric sensor biasing.
What protection features are integrated into the MAX15010ATJ+?
The MAX15010ATJ+ integrates short-circuit protection, thermal shutdown at +160°C (with 20°C hysteresis), IN undervoltage lockout (4.27V typ), and reverse-battery tolerance on OUT_TRK (–5V) and TRACK (–20V) pins. It also features independent enable/hold logic and open-drain RESET with programmable timeout - all without requiring external components.
Can the MAX15010ATJ+ operate from a 45V transient, and what is its absolute maximum input rating?
Yes, the MAX15010ATJ+ is rated to withstand 45V transients on the IN pin, exceeding ISO 7637-2 Pulse 5a requirements for 12V automotive systems. Its absolute maximum IN voltage is +45V, and it operates continuously from 5V to 40V DC. This robustness is achieved through internal clamp structures and process-hardened ESD protection on all supply-related pins.
MAX15010ATJ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Adjustable (Fixed)
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 1.8V, (5V), Tracking
- Voltage - Output (Max):
- 11V
- Voltage Dropout (Max):
- 1.5V @ 300mA, 0.5V @ 50mA
- Current - Output:
- 300mA, 50mA
- Current - Quiescent (Iq):
- 160 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (100Hz)
- Control Features:
- Enable, Hold, Reset
- Protection Features:
- Over Temperature, Reverse Polarity, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-TQFN (5x5)
MAX15010ATJ+ FAQ
1.How can I place an order for MAX15010ATJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15010ATJ+ 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 MAX15010ATJ+ reliable?
The price and inventory of MAX15010ATJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15010ATJ+ is usually 5 days.
3.What payment methods are accepted for MAX15010ATJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15010ATJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15010ATJ+?
MAX15010ATJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15010ATJ+ 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 MAX15010ATJ+?
For technical support, including MAX15010ATJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15010ATJ+ requirements.
6.How does Aetrix verify that MAX15010ATJ+ is sourced from the original manufacturer or authorized distributors?
All MAX15010ATJ+ 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 MAX15010ATJ+ meets industry standards.
7.What is the process for return or replacement of MAX15010ATJ+?
All MAX15010ATJ+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX15010ATJ+, 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 MAX15010ATJ+ part is unused and in its original packaging.
Return procedure for MAX15010ATJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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