RT9183 Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT9183

Ultra Low Dropout 1.5A Linear Regulator

Richtek Technology 

VIN

Enable

C

0.1uF

(SOP-8 & TO-263-5)

RT9183

VIN

VOUT

CIN EN

10uF

GND ADJ

VOUT

COUT

10uF

Figure 3. Fixed Operation with SOP-8 and TO-263-5 packages

Functional Pin Description

Pin Name

Pin Function

Chip Enable Control Input.

EN

Note that the device will be in the unstable state if the pin is not connected.

VIN

Supply Input.

GND

Common Ground.

VOUT

ADJ

Regulator Output.

The output voltage is set by the internal feedback resistors when this pin

grounded. If external feedback resistors are applied, the output voltage will be:

VOUT = 0.8 × (1 + R1) Volts

R2

RT9183

Function Block Diagram

VIN

Current Limit

Sensor

+

Error

Amplifier

-

0.8V

Reference

-

+

EN

Shutdown

Logic

Thermal

Shutdown

Output Mode

Comparator

100mV

VOUT

ADJ

GND

DS9183-14 April 2008

www.richtek.com

3

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