SOT23 T43 Power Semiconductor Devices TPS73618DBVR LDO Voltage Regulators

TPS73618DBVR SOT23 T43 Power Semiconductor Devices

TPS736xx Cap-Free, NMOS, 400-mA Low-Dropout Regulator with Reverse Current
Protection

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1 Features

Stable with No Output Capacitor or Any Value or
Type of Capacitor
Input Voltage Range of 1.7 V to 5.5 V
Ultra-Low Dropout Voltage: 75 mV typ
Excellent Load Transient Response-with or
without Optional Output Capacitor
.NewNMOS Topology Delivers Low Reverse
Leakage Current
·Low Noise: 30 uVMs typ(10 Hz to 100 kHz)
0.5% Initial Accuracy
1%Overall AccuracyOver LineLoadand
Temperature
. Less Than 1 pA max loin Shutdown Mode
Thermal Shutdown and Specified Min/Max
Current Limit Protection
Available in Multiple Output Voltage Versions
- Fixed Outputs of 1.20Vto5.0V
- Adjustable Output from 1.20V to 5.5 V
-Custom Outputs Available

2 Applications

.Portable/Battery-Powered Equipment
. Post-Regulation for Switching Supplies
Noise-Sensitive Circuitrysuchas VcOs
Point of Load Requlation for DSPsFPGAS
ASICs,and Microprocessors

Overview

The TPS736xx family of low-dropout linear regulators operates down to an input voltage of 1.7 V and supports
output voltages down to 1.2 V while sourcing up to 500 mA of load current. This linear regulator utilizes an
NMOS pass element with an integrated 4-MHz charge pump to provide a dropout voltage of less than 200 mV at
full load current. This unique architecture also permits stable regulation over a wide range of output capacitors. In
fact, the TPS736xx family of devices does not require any output capacitor for stability. The increased
insensitivity to the output capacitor value and type makes this family of linear regulators an ideal choice when
powering a load where the effective capacitance is unknown.
The TPS736xx family of devices also features a noise reduction (NR) pin that allows for additional reduction of
the output noise. With a noise reduction capacitor of 0.01 µF connected from the NR pin to GND, the TPS73615
output noise can be as low as 12.75 µVRMS. The low noise output featured by the TPS736xx family makes it wellsuited for powering VCOs or any other noise sensitive load.