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  2. Power Management
  3. LDO Linear Regulators
  4. Positive Linear Regulators (LDO)
  5. MAX38902D


Overview

Features and Benefits

  • 1.7V to 5.5V Input Voltage Range
  • 0.6V to 5.3V Output Voltage Range
  • 10.5µVRMS Output Noise, 10Hz to 100kHz
  • 365µA Operating Supply Current
  • 70dB PSRR at 10kHz
  • 500mA Maximum Output Current
  • ±1% DC Accuracy over Load, Line, and Temperature
  • 100mV (max) Dropout at 500mA Load (3.6VIN)
  • < 0.1µA Shutdown Supply Current
  • Stable with 2µF (min) Output Capacitance
  • Programmable Soft-Start Rate
  • Overcurrent and Overtemperature Protection
  • Output-to-Input Reversed Current Protection
  • Active-Low POK Output
  • Pin-to-Pin Compatible with MAX8902 (TDFN)
  • 1.22mm x 0.82mm, 2 x 3 Bump, 0.4mm Pitch WLP, or 2mm x 2mm 8-Pin TDFN Package

Product Details

The MAX38902A/B/C/D are low-noise, linear regulators that deliver up to 500mA of output current with only 10.5µVRMS of output noise from 10Hz to 100kHz. These regulators maintain ±1% output accuracy over a wide input voltage range, requiring only 100mV of input-to-output headroom at full load. The 365µA no-load supply current is independent of drop-out voltage.

The MAX38902A have nine, pin-selectable output voltages 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX38902B/C have a resistor-adjustable output voltage in the range of 0.6V to 5.3V. The MAX38902B also includes an active-low POK output.

The MAX38902D have factory-preset output voltages ranging from 0.7V to 5V. All versions include a programmable output soft-start rate, output over-current and thermal-overload protection.

The MAX38902A/B are offered in an 8-pin TDFN package, while the MAX38902C/D are offered in a 2 x 3, 0.4mm wafer-level package (WLP).

Design Solution: Modern Portable Devices Require a New Breed of LDOs ›

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Applications

  • Audio Systems
  • Communication Circuitry
  • High-Resolution Data Acquisition Systems

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (2)

Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTspice

Models for the following parts are available in LTspice:

MAX38902B

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX38902DANT12+ Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT12+T Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT18+ Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT18+T Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT27+ Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT27+T Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT33+ Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT33+T Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT46+ Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
MAX38902DANT46+T Material Declaration Reliability Data Wafer-Level Package 2x3 Bump, Full Array
Wafer Fabrication Data

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.