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Analog Devices Inc./Maxim Integrated MAX15007AATT+T
- Part No.:
- MAX15007AATT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
MAX15007AATT+T.pdf
- Description:
- IC REG LINEAR 3.3V 50MA 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:8,324
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Product details
Overview
MAX15007AATT+T from Maxim Integrated is a 3.3V fixed-output, ultra-low quiescent-current linear regulator in a 6-pin TDFN-EP package. It operates from 4V to 40V input, delivers up to 50mA output current, consumes only 11μA typical ground current at no load and 93μA at full load, and features an active-high enable (EN) input for power control. It is designed for automotive battery monitoring systems where cold-crank tolerance and load-dump survival are critical.
For engineers reviewing the MAX15007AATT+T datasheet, MAX15007AATT+T pinout, MAX15007AATT+T application, or MAX15007AATT+T equivalent, key selection criteria include guaranteed 50mA output under wide VIN (4–40V), 3μA shutdown current, thermal/short-circuit protection, -40°C to +125°C operation, and compatibility with 2.2μF ceramic output capacitors.
Technical Context
The MAX15007AATT+T integrates a p-channel pass transistor to maintain ultra-low quiescent current across load conditions - 11μA typ at no load and 93μA typ at 50mA. Its internal 1.23V reference and error amplifier regulate output via feedback (FB pin only in adjustable variants; not used in MAX15007A).
Unlike the MAX15006 series, the MAX15007AATT+T includes an EN input that accepts logic-level or direct VIN connection, enabling controlled startup and 3μA shutdown current. It withstands 45V load dump and operates through cold-crank down to 4V, making it suitable for unregulated automotive rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4V to 40V - supports direct connection to automotive battery including cold-crank (≥4V) and load-dump (≤45V absolute max) |
| Output Voltage | Fixed 3.3V ±1.5% - tightly regulated for MCU/Sensor I/O supply without external feedback components |
| Max Output Current | 50mA - sufficient for low-power microcontrollers, CAN transceivers, or TPMS sensors |
| Quiescent Current | 11μA typ (no load), 93μA typ (50mA) - enables multi-year battery life in always-on vehicle subsystems |
| Shutdown Current | 3μA typ - enables deep-sleep mode when EN is pulled low |
| Dropout Voltage | 1000mV max at 50mA - ensures regulation down to VIN = 4.3V for 3.3V output |
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive placement per AEC-Q100 stress requirements |
| Package | 6-pin TDFN-EP (3mm × 3mm) - thermally enhanced with exposed pad tied to GND for 9°C/W θJC |
Pinout & Package
Package: 6-pin TDFN-EP (3mm × 3mm), RoHS-compliant, exposed pad internally connected to GND for thermal performance. Requires PCB copper pour under EP for optimal junction-to-ambient thermal resistance (θJA = 42°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 - IN | Regulator input supply | Accepts 4V–40V; bypass with 0.1μF ceramic capacitor to GND; withstands 45V transient |
| 3 - GND | Power and signal ground reference | Low-impedance return path; connects to exposed pad (EP) internally |
| 4 - EN | Active-high enable control | Pull high ≥1.4V to enable; pull ≤0.4V or leave floating (0.5μA internal pulldown) to shut down |
| 5, 6 - OUT | Regulated 3.3V output | Delivers up to 50mA; requires ≥2.2μF low-ESR ceramic capacitor to GND for stability |
| EP - Exposed Pad | Thermal and electrical ground | Must be soldered to PCB ground plane; not usable as standalone ground connection |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 11μA typ at no load enables >10-year battery life in TPMS and always-on vehicle modules |
| Enable-controlled shutdown | 3μA shutdown current and logic-compatible EN pin allow precise system-level power sequencing |
| Automotive-grade ruggedness | Withstands 45V load dump and operates through cold-crank (4V min) without dropout or reset |
| Stable with minimal output capacitance | Guaranteed stability with only 2.2μF ceramic output cap - reduces BOM count and board area |
| Integrated protection | Thermal shutdown (165°C trip, 20°C hysteresis) and short-circuit current limit (175mA) prevent field failures |
| High-temp operation | Rated -40°C to +125°C ambient with guaranteed 50mA output - validated for engine bay deployment |
Applications
| Tire-Pressure Monitoring System (TPMS) | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Powering MEMS pressure sensor and RF transmitter in wheel-mounted sensor unit powered by lithium battery. IC Role / Device Role / Timing Role: Primary 3.3V supply regulator with ultra-low IQ to extend battery life beyond 7 years. Use Value: 11μA no-load current and 3μA shutdown enable multi-year operation without maintenance. | Use Scenario: Providing stable 3.3V rail for microcontroller, LIN transceiver, and door-lock actuator drivers in BCM. IC Role / Device Role / Timing Role: Always-on LDO supplying MCU core and wake-up circuitry during vehicle sleep mode. Use Value: Cold-crank operation down to 4V prevents brownout resets during engine start; 45V load-dump tolerance eliminates need for external TVS. |
| Industrial Telematics Gateway | Commercial Vehicle Telematics Unit |
Use Scenario: Regulating 3.3V for GPS/GNSS receiver, cellular modem, and CAN controller in fleet management hardware. IC Role / Device Role / Timing Role: Input-stage LDO accepting wide-range vehicle battery (9–32V nominal, up to 40V transients). Use Value: 40V max input and integrated thermal/short-circuit protection reduce external component count and improve reliability. | Use Scenario: Supplying 3.3V to real-time clock, EEPROM, and CAN FD transceiver in heavy-duty truck telematics module. IC Role / Device Role / Timing Role: High-reliability LDO operating continuously in harsh under-dash environment (-40°C to +125°C). Use Value: AEC-Q100 qualified temperature range and 6-pin TDFN package enable compact, thermally robust layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX15007AASA+ | Same 3.3V output, EN pin, and specs - but in 8-pin SO-EP package (53°C/W θJA vs. 42°C/W) | Better suited for prototyping or legacy SO footprint designs; lower power density than TDFN | Select when SO package is required for hand-soldering, thermal mass, or existing PCB layout reuse |
| TLV73333PDBVR | 3.3V fixed LDO, 300mA output, 30μA IQ, 2.5–6.5V input - lacks automotive temp rating and load-dump tolerance | Only suitable for non-automotive, low-voltage applications (e.g., consumer IoT); not rated for 40V input or -40°C to +125°C | Choose only for cost-sensitive, non-automotive designs with <6.5V input and no load-dump requirement |
Compared with MAX15007AASA+, the MAX15007AATT+T offers superior thermal performance in space-constrained layouts; compared with TLV73333PDBVR, it provides automotive-grade input voltage range, temperature capability, and transient robustness - essential for vehicle electronics.
Availability
MAX15007AATT+T is available at Aetrix Electronics and suitable for automotive body electronics, tire-pressure monitoring systems, and industrial telematics requiring stable component supply across extended temperature and voltage ranges.
Supply support for MAX15007AATT+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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power-management ICs for demanding industrial, automotive, and communications applications.
The MAX15007 series belongs to Maxim's high-voltage linear regulator product line, engineered specifically for automotive subsystems requiring ultra-low IQ, cold-crank resilience, and load-dump immunity in compact packages.
FAQ
What is the maximum input voltage the MAX15007AATT+T can withstand?
The MAX15007AATT+T has an absolute maximum input voltage of +45V, allowing it to survive automotive load-dump transients without external protection. Its operational input range is 4V to 40V - ensuring regulation during cold-crank (down to 4V) and normal battery operation (12V/24V systems). This makes the MAX15007AATT+T suitable for direct connection to vehicle battery rails without additional clamping circuitry.
Does the MAX15007AATT+T require an external feedback resistor network?
No, the MAX15007AATT+T does not require external feedback components. As a fixed 3.3V output variant (MAX15007A), its regulation is internal - the FB pin is not connected and must be left unconnected or tied to GND per datasheet guidance. Only adjustable versions (e.g., MAX15007C) use the FB pin with an external resistor divider to set output voltage between 1.8V and 10V.
How does the enable (EN) pin function on the MAX15007AATT+T?
The EN pin on the MAX15007AATT+T is an active-high logic input. Driving EN ≥1.4V (VIH) enables regulation; pulling EN ≤0.4V (VIL) places the device in shutdown, reducing supply current to 3μA typ. An internal 0.5μA pulldown ensures default shutdown if EN is left floating. EN tolerates up to 45V, permitting direct connection to VIN for always-on operation or interfacing with higher-voltage control signals.
What output capacitor value is required for stable operation of the MAX15007AATT+T?
The MAX15007AATT+T is stable with a minimum 2.2μF low-ESR ceramic output capacitor. Larger values (e.g., 22μF) further improve load-transient response and PSRR. X7R dielectric is recommended to maintain ≥1.3μF minimum capacitance over -40°C to +125°C. The 2.2μF requirement simplifies design, eliminates need for external compensation, and reduces bill-of-materials cost versus regulators requiring larger or specialized capacitors.
Is the MAX15007AATT+T qualified for automotive applications?
Yes, the MAX15007AATT+T is automotive-qualified with operation over -40°C to +125°C ambient temperature and compliance with AEC-Q100 stress testing requirements. Its ability to withstand 45V load dump, operate through cold-crank (≥4V), and deliver guaranteed 50mA output across temperature make it suitable for under-hood and body-control applications including TPMS, BCM, and telematics units.
MAX15007AATT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 1V @ 50mA
- Current - Output:
- 50mA
- Current - Quiescent (Iq):
- 18 µA
- Current - Supply (Max):
- 150 µA
- PSRR:
- 66dB (100Hz)
- Control Features:
- Enable
- Protection Features:
- Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TDFN (3x3)
MAX15007AATT+T FAQ
1.How can I place an order for MAX15007AATT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15007AATT+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 MAX15007AATT+T reliable?
The price and inventory of MAX15007AATT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15007AATT+T is usually 5 days.
3.What payment methods are accepted for MAX15007AATT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15007AATT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15007AATT+T?
MAX15007AATT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15007AATT+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 MAX15007AATT+T?
For technical support, including MAX15007AATT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15007AATT+T requirements.
6.How does Aetrix verify that MAX15007AATT+T is sourced from the original manufacturer or authorized distributors?
All MAX15007AATT+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 MAX15007AATT+T meets industry standards.
7.What is the process for return or replacement of MAX15007AATT+T?
All MAX15007AATT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX15007AATT+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 MAX15007AATT+T part is unused and in its original packaging.
Return procedure for MAX15007AATT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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