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Analog Devices Inc./Maxim Integrated MAX15007CATT+
- Part No.:
- MAX15007CATT+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
MAX15007CATT+.pdf
- Description:
- IC REG LINEAR POS ADJ 50MA 6TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:200
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Product details
Overview
The MAX15007CATT+ from Maxim Integrated is an ultra-low quiescent-current adjustable linear regulator designed for automotive and battery-powered systems. It operates from 4V to 40V input, delivers up to 50mA output, consumes only 9–16μA no-load ground current (typ), features 1.23V feedback reference, and includes active-high enable (EN) for power control - used in tire-pressure monitoring sensors and industrial telemetry nodes.
For engineers reviewing the MAX15007CATT+ datasheet, MAX15007CATT+ pinout, MAX15007CATT+ application, or MAX15007CATT+ equivalent, key selection criteria include its 1.8V–10V adjustable output range, 3μA shutdown current, thermal/short-circuit protection, -40°C to +125°C operation, and compatibility with 2.2μF ceramic output capacitors.
Technical Context
The MAX15007CATT+ integrates a p-channel pass transistor, precision 1.23V bandgap reference, error amplifier, and enable logic to support adjustable regulation via external resistor divider on FB. Its architecture enables stable operation across wide VIN and temperature ranges while maintaining ultra-low ground current even at full load.
It implements thermal shutdown at +165°C with 20°C hysteresis and short-circuit current limiting (~175mA). The EN pin withstands up to 45V and features internal 0.5μA pulldown, enabling reliable low-power shutdown without external pull-down resistors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4V to 40V - supports cold-crank (≥4V) and load-dump (≤45V absolute max) conditions in automotive systems. |
| Output Voltage Range | 1.8V to 10V adjustable - set via external resistor divider on FB pin; VFB = 1.23V (±2.4%) over temperature. |
| Max Output Current | 50mA guaranteed - limited by package thermal dissipation; derated above +70°C ambient in TDFN package. |
| Quiescent Ground Current | 9–16μA (typ) at no load - enables multi-year battery life in always-on sensor nodes. |
| Shutdown Current | 3μA (typ) - achieved when EN is pulled low; critical for ultra-low-power sleep modes. |
| Dropout Voltage | 300mV at 50mA (MAX15007C) - ensures regulation down to VIN = VOUT + 0.3V, e.g., 5.3V input for 5V output. |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive and industrial environments. |
Pinout & Package
Package: 6-pin 3mm × 3mm TDFN-EP with exposed pad (internally connected to GND); RoHS-compliant, automotive-grade.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 - IN | Regulator input supply | Accepts 4V–40V; requires 0.1μF bypass to GND; withstands 45V transient. |
| 3 - GND | Power and signal ground | Reference for all internal circuitry; connects to EP for thermal performance. |
| 4 - EN | Active-high enable input | Logic-level control: ≥1.4V turns on regulator; ≤0.4V forces shutdown; internal 0.5μA pulldown. |
| 5 - OUT | Regulated output | Delivers up to 50mA; requires ≥2.2μF low-ESR ceramic capacitor to GND for stability. |
| 6 - FB | Feedback voltage sense | Connects to resistor divider (OUT→FB→GND); sets VOUT = 1.23V × (1 + R1/R2). |
| EP - Exposed Pad | Thermal and electrical ground | Must be soldered to PCB ground plane; not usable as primary GND connection point. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 9–16μA no-load ground current enables >10-year battery life in 10μA-sleep IoT sensors. |
| Adjustable output (1.8V–10V) | Configurable via two-resistor divider on FB; eliminates need for multiple fixed-output SKUs. |
| Enable input with internal pulldown | EN requires no external pull-down; simplifies MCU interface and reduces BOM count. |
| Stable with 2.2μF output capacitor | Reduces solution size/cost vs. legacy LDOs requiring ≥10μF tantalum or polymer caps. |
| Automotive-grade thermal protection | +165°C shutdown with 20°C hysteresis prevents latch-up during sustained overload or high ambient. |
Applications
| Tire-Pressure Monitoring System (TPMS) | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered wheel-mounted sensor transmitting pressure/temperature data every 1–5 minutes. IC Role / Device Role / Timing Role: Primary 3.3V or 5V power rail regulator for MCU, RF transceiver, and MEMS sensor. Use Value: 9μA quiescent current extends CR2032 battery life beyond 7 years; EN allows MCU-controlled deep-sleep entry/exit. | Use Scenario: Remote vibration or temperature sensor deployed in factory machinery with 10+ year maintenance cycles. IC Role / Device Role / Timing Role: Adjustable LDO supplying 2.5V or 3.3V to low-power microcontroller and analog front-end. Use Value: 1.8V–10V adjustability supports diverse SoC core voltages; -40°C to +125°C rating ensures reliability in uncontrolled enclosures. |
| Automotive Body Control Module (BCM) | Telecom Power Management |
Use Scenario: Centralized module powering door locks, lighting, and window controls using 12V vehicle battery. IC Role / Device Role / Timing Role: Secondary LDO generating clean 5V rail for logic and communication ICs from noisy 12V–24V bus. Use Value: Withstands 45V load dump transients; 300mV dropout maintains regulation during cranking (≥6V battery). | Use Scenario: Powering FPGA I/O banks or Ethernet PHYs in outdoor telecom equipment operating on 24V or 48V DC feeds. IC Role / Device Role / Timing Role: Point-of-load regulator delivering precise 1.8V or 2.5V from intermediate 5V or 12V rails. Use Value: 1.23V FB reference tolerance (±2.4%) ensures <±1% output accuracy; PSRR >66dB suppresses switching noise from upstream DC/DC converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar adjustable LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2936QMM-ADJ/NOPB | Fixed 60μA quiescent current; 3V–40V input; 50mA output; no enable pin. | Lacks EN control - unsuitable for dynamic power gating; higher IQ reduces battery life in duty-cycled systems. | Select if enable functionality is unnecessary and lower cost is prioritized over ultra-low IQ. |
| TPS7B8750QKVURQ1 | 50μA IQ; 3V–40V input; 500mA output; integrated watchdog timer; AEC-Q100 Grade 1. | Higher output current and integrated safety features - over-specified for low-power sensor use; larger SO-PowerPAD package. | Select for ASIL-B systems requiring diagnostics or >100mA loads; avoid for space-constrained TPMS designs. |
Compared with LM2936QMM-ADJ/NOPB, MAX15007CATT+ offers 6× lower quiescent current and enable control but lacks AEC-Q100 certification. Against TPS7B8750QKVURQ1, it provides smaller footprint and lower IQ but no functional safety features or high-current capability.
Availability
MAX15007CATT+ is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, tire-pressure monitoring systems, and telecom remote units requiring stable component supply across extended temperature and long lifecycle requirements.
Supply support for MAX15007CATT+ 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-performance analog, mixed-signal, and power management ICs for automotive, industrial, and communications markets.
The MAX15006/MAX15007 product line targets ultra-low-power, high-voltage linear regulation in harsh environments - specifically engineered for automotive battery-connected modules and long-life battery-operated sensors.
FAQ
What is the minimum output capacitor required for stable operation of the MAX15007CATT+?
The MAX15007CATT+ requires a minimum 2.2μF low-ESR ceramic or tantalum output capacitor connected between OUT and GND for stable operation across -40°C to +125°C and up to 50mA load. Larger values (e.g., 22μF) improve load-transient response and PSRR. X7R dielectrics are recommended to maintain ≥1.3μF minimum capacitance over temperature.
How does the enable (EN) pin function on the MAX15007CATT+?
The EN pin on the MAX15007CATT+ is an active-high logic input. Driving EN ≥1.4V enables regulation; pulling EN ≤0.4V places the device in shutdown, reducing supply current to 3μA (typ). An internal 0.5μA pulldown ensures default shutdown when left floating or driven high-impedance - eliminating need for external pull-down resistors.
Can the MAX15007CATT+ be used in automotive cold-crank conditions?
Yes, the MAX15007CATT+ operates down to 4V input, making it compatible with automotive cold-crank conditions where battery voltage may dip to 3.5V–4.5V. Its low dropout voltage (300mV at 50mA) ensures continued regulation - for example, delivering 5V output with only 5.3V input - and its -40°C to +125°C rating supports under-hood deployment.
What is the feedback reference voltage (VFB) of the MAX15007CATT+ and how accurate is it?
The MAX15007CATT+ has a nominal feedback reference voltage (VFB) of 1.23V, with guaranteed limits of 1.20V to 1.26V over -40°C to +125°C. This ±2.4% tolerance directly impacts output accuracy when using external resistors: for a 5V output, total error remains within ±1% assuming 1% resistor tolerances and proper layout.
Does the MAX15007CATT+ require special PCB layout considerations for thermal performance?
Yes - the MAX15007CATT+ uses a 6-pin TDFN-EP package with an exposed pad internally connected to GND. For optimal thermal performance, the EP must be soldered to a dedicated PCB copper pour tied to system ground. A minimum 1in² thermal pad is recommended per Maxim's thermal tutorial; insufficient copper area will reduce maximum allowable output current due to junction temperature rise.
MAX15007CATT+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- Packaging:
- Strip
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 1.8V
- Voltage - Output (Max):
- 10V
- Voltage Dropout (Max):
- 0.6V @ 50mA
- Current - Output:
- 50mA
- Current - Quiescent (Iq):
- 16 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)
MAX15007CATT+ FAQ
1.How can I place an order for MAX15007CATT+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15007CATT+ 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 MAX15007CATT+ reliable?
The price and inventory of MAX15007CATT+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15007CATT+ is usually 5 days.
3.What payment methods are accepted for MAX15007CATT+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15007CATT+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15007CATT+?
MAX15007CATT+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15007CATT+ 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 MAX15007CATT+?
For technical support, including MAX15007CATT+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15007CATT+ requirements.
6.How does Aetrix verify that MAX15007CATT+ is sourced from the original manufacturer or authorized distributors?
All MAX15007CATT+ 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 MAX15007CATT+ meets industry standards.
7.What is the process for return or replacement of MAX15007CATT+?
All MAX15007CATT+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX15007CATT+, 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 MAX15007CATT+ part is unused and in its original packaging.
Return procedure for MAX15007CATT+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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