Analog Devices / Maxim Integrated MAX38913 4µVRMS Ultra-Low-Noise 1A LDO

Analog Devices Inc. MAX38913 4µVRMS Ultra-Low-Noise 1A LDO enables a dynamic change to its output voltage between two separate levels. ADI MAX38913 has the pass-through mode, which, when active, completely bypasses the linear regulator.

ADI MAX38913 LDO maintains ±1% output accuracy over a wide input voltage range, temperature, and load conditions. The no-load quiescent current in the regulation mode is 1.37mA, and during the pass-through mode, the MAX38913 consumes minimal quiescent current. The MAX38913 has a 6Ω active discharge feature to discharge output capacitors of up to 300µF quickly. The device has 33 programmable output-voltage settings for both voltage selections.

The MAX38913 is packaged in either a space-saving 12-bump WLP or a full-featured 3mm x 3mm, 14-pin TDFN package. Optional power-OK and power-on-reset pins are available in the 14-pin TDFN version.

Features

Delivers flexible output range
- 1.8V to 5.5V Input voltage range
- 0.6V to 5.0V Output voltage range
- 1A Maximum output current
- 28mV dropout at 1A load current and 5.0V supply
- 33mV dropout at 1A load current and 3.6V supply
High-level system integration
- Integrated pass-through function
- Fast active discharge of 6Ω at OUT
- Dynamic two-level voltage scaling with 33 levels for each option for flexible configuration
- Stable with 4µF (minimum capacitance)
- Overcurrent and overtemperature protection
- Power-OK/power-on-reset output

Excellent DC and AC performance
- 1% Regulation over line, load, and temperature
- 4µV_RMS of output noise, 10Hz to 100kHz
- 75dB PSRR at 10kHz
Operation temperature range from -40°C to +125°C
Packages
- 12-Bump, 0.4mm-pitch WLP
- 14-Pin, 3mm x 3mm TDFN

Applications

Image sensors
Portable sensor applications
SD memory cards

Analog Devices / Maxim Integrated MAX38913 4µVRMS Ultra-Low-Noise 1A LDO

Features

Applications

Application Diagram

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