1FEATURES

· Controlled Baseline

– One Assembly Site

– One Test Site

– One Fabrication Site

· Extended Temperature Performance of

–55°C to 125°C

· Enhanced Diminishing Manufacturing Sources

(DMS) Support

· Enhanced Product-Change Notification

· Qualification Pedigree(1)

· 10 mA Low-Dropout Regulator

· Ultralow 1.2 mA Quiescent Current at 10 mA

· 5-Pin SC70/SOT-323 (DCK) Package

· Integrated Power Good Output

· Stable With Any Capacitor (> 0.47 mF)

· Dropout Voltage Typically 105 mV at 10 mA

(TPS79733)

· Overcurrent Limitation

APPLICATIONS

· Battery-Powered Microcontrollers and

Microprocessors

DESCRIPTION/ORDERING INFORMATION

The TPS797xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage

and ultralow-power operation. The device is stable

with any capacitor (> 0.47 mF). Therefore,

implementations of this device require little board

space due to the miniaturized packaging and potentially small output capacitor. In addition, the

family includes an integrated open drain active-high

power good (PG) output. Intended for use in

microcontroller based, battery-powered applications,

the TPS797xx family's low dropout and

ultralow-powered operation results in a significant

increase in system battery operating life. The small

packaging minimizes consumption of board space.

The device is enabled when the applied voltage

exceeds the minimum input voltage. The usual PNP

pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves

as a low-value resistor, the dropout voltage is low,

125 mV (typ) at 10 mA of load current and is directly

proportional to the load current. The quiescent current

is ultralow (1.2 mA typ) and is stable over the entire

range of output load current (0 mA to 10 mA). When

properly configured with a pullup resistor, the PG

output can be used to implement a power-on reset or

low battery indicator. The TPS797xx is offered in

1.8 V, 3 V, and 3.3 V fixed options.