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Analog Devices Inc./Maxim Integrated MAX15007AATT+TW
- Part No.:
- MAX15007AATT+TW
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
MAX15007AATT+TW.pdf
- Description:
- IC REG LINEAR 3.3V 50MA 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:255
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Product details
Overview
MAX15007AATT+TW 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. It is designed for automotive power rail conditioning in tire-pressure monitoring systems.
For engineers reviewing the MAX15007AATT+TW datasheet, MAX15007AATT+TW pinout, MAX15007AATT+TW application, or MAX15007AATT+TW equivalent, key selection criteria include guaranteed 50mA output under cold-crank (4V), 3μA shutdown current, thermal/short-circuit protection, and operation across –40°C to +125°C with minimal external components (2.2µF output capacitor).
Technical Context
The MAX15007AATT+TW integrates a p-channel pass device to maintain low quiescent current across load range, with internal 1.23V reference and error amplifier enabling precise 3.3V regulation. Its EN input accepts logic-level or direct VIN connection, with internal 0.5µA pulldown ensuring reliable shutdown when floating.
It withstands 45V load dump and operates through cold-crank conditions down to 4V input. Thermal shutdown activates at +165°C with 20°C hysteresis, and short-circuit protection limits output current to 175mA-enabling indefinite short-to-ground survival without damage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4V to 40V - supports automotive battery transients including cold-crank (≥4V) and load dump (≤45V absolute max). |
| Output Voltage | Fixed 3.3V ±1.5% - tightly regulated for MCU core/logic rails requiring stable low-noise supply. |
| Quiescent Current | 11µA typ at no load - enables >10-year battery life in always-on TPMS sensors. |
| Shutdown Current | 3µA typ - reduces system standby power to negligible levels during sleep modes. |
| Max Output Current | 50mA - sufficient for microcontrollers, RF transceivers, and analog front-ends in compact automotive modules. |
| Dropout Voltage | 1000mV max at 50mA - ensures regulation down to VIN = 4.3V for 3.3V output, critical during engine cranking. |
| Thermal Protection | +165°C trip with 20°C hysteresis - prevents permanent damage during sustained overload or poor PCB heatsinking. |
Pinout & Package
Package: 3mm × 3mm, 6-pin TDFN-EP with exposed pad (EP) connected internally to GND. Requires soldering EP to PCB ground plane for thermal performance (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 for stability and transient suppression. |
| 3 - GND | Ground reference | Low-impedance return path; must be tied to EP and system ground plane for thermal and noise integrity. |
| 4 - EN | Active-high enable | Drives high (>1.4V) to enable regulation; internally pulled down (0.5µA) - safe default-off state. |
| 5, 6 - OUT | Regulated output | Delivers 3.3V; requires ≥2.2µF low-ESR ceramic capacitor to GND for loop stability and load-transient response. |
| EP - Exposed Pad | Thermal & electrical ground | Internally connected to GND; must be soldered to PCB copper area to dissipate up to 1.904W at +70°C ambient. |
Key Features
| Feature | Design Value |
|---|---|
| p-Channel Pass Device | Maintains ultra-low quiescent current (11µA typ) across full 0–50mA load range - unlike n-channel regulators that increase IQ with load. |
| Enable Input with Internal Pulldown | Eliminates need for external pull-down resistor; ensures fail-safe shutdown during MCU reset or open-drain control. |
| Stable with 2.2µF Ceramic Output Cap | Reduces BOM count and board space vs. legacy LDOs requiring ≥10µF tantalum - compatible with X7R dielectrics over full temperature range. |
| Automotive Temperature Range | Guaranteed operation from –40°C to +125°C junction - qualified for under-hood and wheel-well environments without derating. |
| 45V Load Dump Withstand | Survives ISO 7637-2 Pulse 5a without external TVS - simplifies front-end protection in 12V/24V vehicle systems. |
Applications
| Tire-Pressure Monitoring System (TPMS) | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Powering MEMS pressure sensor, ultra-low-power MCU, and UWB/NB-IoT transceiver in valve-stem-mounted sensor unit. IC Role / Device Role / Timing Role: Primary 3.3V supply regulator with enable-controlled wake-up sequencing and cold-crank support. Use Value: 3µA shutdown current extends lithium primary battery life beyond 10 years; 4V minimum input ensures operation during engine start. | Use Scenario: Providing clean 3.3V rail to door module microcontroller and LIN transceiver in harsh under-dash environment. IC Role / Device Role / Timing Role: Local point-of-load regulator with integrated thermal/short-circuit protection and load dump immunity. Use Value: Eliminates need for external TVS and thermal foldback circuitry; 125°C rating avoids derating in confined enclosures. |
| Industrial Telematics Gateway | Railway Onboard Controller |
Use Scenario: Supplying 3.3V to GPS/GNSS receiver, cellular modem, and CAN FD controller in mobile asset tracker. IC Role / Device Role / Timing Role: High-reliability input-stage regulator handling wide-input industrial 24VDC supply with brownout resilience. Use Value: 40V max input and 45V transient tolerance enable direct connection to unregulated vehicle bus - no pre-regulator required. | Use Scenario: Powering safety-critical FPGA configuration memory and real-time Ethernet PHY in EN 50155-compliant train control unit. IC Role / Device Role / Timing Role: Certified automotive-grade LDO delivering fault-tolerant 3.3V with thermal cycling resilience. Use Value: –40°C to +125°C operation and 165°C thermal shutdown meet EN 50155 Class TX requirements without external thermal management. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73333PDBVR | Lower input voltage range (1.4V–5.5V); 65µA quiescent current; no load dump tolerance. | Not suitable for automotive battery rail - limited to post-regulated 3.3V/5V domains. | Select only for low-voltage, non-automotive applications where 40V input and load dump immunity are irrelevant. |
| TPS7B8733QKVURQ1 | Automotive AEC-Q100 Grade 1; 28µA quiescent current; 40V input; includes reverse polarity protection. | Higher IQ, larger SO-PowerPAD package (5mm × 6mm), no enable pin - less optimal for space-constrained TPMS. | Prefer when reverse-battery protection is mandatory and board area allows larger footprint; avoid when EN control or minimal IQ is critical. |
Compared with TLV73333PDBVR and TPS7B8733QKVURQ1, the MAX15007AATT+TW uniquely combines 3µA shutdown, 40V input, 45V load dump tolerance, and 3mm × 3mm TDFN in a single automotive-qualified device - making it optimal for ultra-low-power, space-constrained, battery-fed automotive sensors.
Availability
MAX15007AATT+TW is available at Aetrix Electronics and suitable for automotive electronics, tire-pressure monitoring systems, and industrial telematics requiring stable component supply with guaranteed long-term availability and automotive qualification.
Supply support for MAX15007AATT+TW 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 was developed specifically for automotive power management in space- and power-constrained modules - delivering ultra-low quiescent current, wide-input operation, and robust fault protection in miniature thermally enhanced packages.
FAQ
What is the maximum input voltage the MAX15007AATT+TW can withstand without damage?
The MAX15007AATT+TW has an absolute maximum input voltage rating of +45V, allowing it to survive automotive load dump transients per ISO 7637-2 Pulse 5a. Continuous operation is specified from 4V to 40V. Exceeding +45V on the IN pin may cause permanent damage, even momentarily. The device does not include internal overvoltage clamping beyond this rating, so system-level protection must ensure IN stays within absolute limits.
Does the MAX15007AATT+TW require an external feedback resistor network?
No, the MAX15007AATT+TW does not require an external feedback resistor network because it is a fixed 3.3V output variant (MAX15007A). Unlike the adjustable MAX15007C version, the MAX15007AATT+TW uses internal resistors to set VOUT = 3.3V. The FB pin is not connected internally and should be left unconnected or tied to GND - no external divider is needed or recommended.
Can the MAX15007AATT+TW be used without the exposed pad (EP) soldered to the PCB ground plane?
No - the exposed pad (EP) of the MAX15007AATT+TW must be soldered to a PCB ground plane to meet thermal specifications. With EP unsoldered, θJA degrades significantly beyond the rated 42°C/W, causing rapid junction temperature rise under load. At 50mA and 14V input, power dissipation exceeds 500mW; without proper EP thermal coupling, TJ can exceed +150°C even at +25°C ambient, triggering thermal shutdown or reliability degradation.
What is the typical startup time from EN assertion to regulated output for the MAX15007AATT+TW?
The MAX15007AATT+TW exhibits an enable-to-regulation time of 0.4ms to 2ms (typical 1ms), defined as the time for VOUT to reach 95% of its final 3.3V value after EN transitions from low to high. This timing is measured with VIN = 14V and accounts for internal bandgap startup and error amplifier settling. Startup time remains consistent across temperature (–40°C to +125°C) and is independent of output capacitor value within the recommended 2.2µF–22µF range.
Is the MAX15007AATT+TW pin-compatible with other devices in the MAX15006/MAX15007 family?
Yes - the MAX15007AATT+TW shares identical 6-pin TDFN-EP pinout and footprint with all other MAX15006/MAX15007 variants in the same package (e.g., MAX15007BATT+, MAX15007CATT+). Pin 1/2 = IN, Pin 3 = GND, Pin 4 = EN, Pin 5/6 = OUT, EP = GND. However, functional compatibility requires matching output type (fixed 3.3V vs. 5V vs. adjustable) and presence of EN - substituting a MAX15006AATT+ (no EN) requires board-level wiring changes.
MAX15007AATT+TW 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+TW FAQ
1.How can I place an order for MAX15007AATT+TW through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15007AATT+TW 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+TW reliable?
The price and inventory of MAX15007AATT+TW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15007AATT+TW is usually 5 days.
3.What payment methods are accepted for MAX15007AATT+TW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15007AATT+TW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15007AATT+TW?
MAX15007AATT+TW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15007AATT+TW 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+TW?
For technical support, including MAX15007AATT+TW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15007AATT+TW requirements.
6.How does Aetrix verify that MAX15007AATT+TW is sourced from the original manufacturer or authorized distributors?
All MAX15007AATT+TW 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+TW meets industry standards.
7.What is the process for return or replacement of MAX15007AATT+TW?
All MAX15007AATT+TW units undergo pre-shipment inspection (PSI). If there is an issue with MAX15007AATT+TW, 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+TW part is unused and in its original packaging.
Return procedure for MAX15007AATT+TW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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