TPS73701DRBT

1 FEATURES

• Stable with 1.0µF or Larger Ceramic Output Capacitor

• Input Voltage Range: 2.2V to 5.5V

• Ultra-Low Dropout Voltage: 130mV typ at 1A

• Excellent Load Transient Response—Even With Only 1.0µF Output Capacitor

• NMOS Topology Delivers Low Reverse Leakage Current

• 1.0% Initial Accuracy

• 3% Overall Accuracy Over Line, Load, and Temperature

• Less Than 20nA typical IQ in Shutdown Mode

• Thermal Shutdown and Current Limit for Fault Protection

• Available in Multiple Output Voltage Versions

– Adjustable Output: 1.20V to 5.5V

– Custom Outputs Available Using Factory Package-Level Programming

2 APPLICATIONS

• Point of Load Regulation for DSPs, FPGAs, ASICs, and Microprocessors

• Post-Regulation for Switching Supplies

• Portable/Battery-Powered Equipment

3 DESCRIPTION

The TPS737xx family of linear low-dropout (LDO) voltage regulators uses an NMOS pass element in a voltage-follower configuration. This topology is relatively insensitive to output capacitor value and ESR, allowing a wide variety of load configurations. Load transient response is excellent, even with a small 1.0µF ceramic output capacitor. The NMOS topology also allows very low dropout.

The TPS737xx family 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 under 20nA and ideal for portable applications. These devices are protected by thermal shutdown and foldback current limit.

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