© Semiconductor Components Industries, LLC, 2009

May, 2009 − Rev. 12

1

Publication Order Number:

MC33375/D

MC33375, NCV33375 Series

300 mA, Low Dropout

Voltage Regulator with

On/Off Control

The MC33375 series are micropower low dropout voltage

regulators available in a wide variety of output voltages as well as

packages, SOT−223 and SOP−8. These devices feature a very low

quiescent current and are capable of supplying output currents up to

300 mA. Internal current and thermal limiting protection are provided

by the presence of a short circuit at the output and an internal thermal

shutdown circuit.

The MC33375 has a control pin that allows a logic level signal to

turn−off or turn−on the regulator output.

Due to the low input−to−output voltage differential and bias current

specifications, these devices are ideally suited for battery powered

computer, consumer, and industrial equipment where an extension of

useful battery life is desirable.

Features:

Voltage

and Control Changes

Figure 1. Simplified Block Diagram

Thermal &

Anti−sat

Protection

54 K

Rint

This device contains 41 active transistors

1.23 V

V. Ref.

GND

On/Off

Block

On/Off

LOW DROPOUT

MICROPOWER VOLTAGE

REGULATOR

SOIC−8

D SUFFIX

CASE 751

SOT−223

ST SUFFIX

CASE 318E

4

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ORDERING INFORMATION

See detailed ordering and shipping information in the

package dimensions section on page 11 of this data sheet.

http://onsemi.com

1

AYM

375xx G

G

MARKING

DIAGRAMS

A = Assembly Location

Y = Year

M = Date Code

L = Wafer Lot

W = Work Week

xx = Voltage Version

G = Pb−Free Package

1

8

375xx

ALYW

G

1

8

(Note: Microdot may be in either location)