TPS73201DBVR.pdf

Features for the TPS732

Stable with No Output Capacitor or Any Value or

Type of Capacitor

Input Voltage Range: 1.7 V to 5.5 V

Ultralow Dropout Voltage: 40 mV Typical at

250 mA

Excellent Load Transient Response–With or

Without Optional Output Capacitor

NMOS Topology Provides Low Reverse Leakage

Current

Low Noise: 30 μVRMS Typical (10 kHz to 100 kHz)

0.5% Initial Accuracy

1% Overall Accuracy (Line, Load, and

Temperature)

Less Than 1-μA Maximum IQ in Shutdown Mode

Thermal Shutdown and Specified Min and Max

Current Limit Protection

Available in Multiple Output Voltage Versions

Fixed Outputs of 1.2 V to 5 V

Adjustable Outputs from 1.2 V to 5.5 V

Custom Outputs Available

APPLICATIONS

Portable and Battery-Powered Equipment

Post-Regulation for Switching Supplies

Noise-Sensitive Circuitry such as VCOs

Point-of-Load Regulation for DSPs, FPGAs,

ASICs, and Microprocessors

All other trademarks are the property of their respective owners

Description for the TPS732

The TPS732 family of low-dropout (LDO) voltage regulators uses an NMOS pass element in a voltage-follower configuration. This topology is stable using output capacitors with low equivalent series resistance (ESR), and even allows operation without a capacitor. The device also provides high reverse blockage (low reverse current) and ground pin current that is nearly constant over all values of output current.

The TPS732 uses an advanced BiCMOS process to yield high precision while delivering very low dropout voltages and low ground pin current. Current consumption, when not enabled, is less than 1 μA and ideal for portable applications. The extremely low output noise (30 μVRMS with 0.1-μF CNR) is ideal for powering VCOs. These devices are protected by thermal shutdown and foldback current limit.