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GSC2596M

150 KHz, 2A PWM Step-Down DC/DC Converter

Unspecified 

ISSUED DATE :2006/03/08

REVISED DATE :2006/05/17B

GSC2596M

150 KHz, 2A PWM Step-Down DC/DC Converter

Description

The GSC2596M series of regulators are monolithic integrated circuit that provides all active functions for a step-down (buck) switching

regulator, capable of driving 2A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3v, 5v,

12v and an adjustable output version. The GSC2596M series operate at a switching frequency of 150 kHz; thus allowing smaller sized

filter components than what would be needed with lower frequency switching regulators. The chips are available in a standard 8-lead

SOP-8 package. Other feature include a guaranteed ̈́4% to tolerance on output voltage under specified input voltages and output load

conditions. The 150 kHz ̈́15% is on the oscillator frequency. External shutdown is included, featuring 80uA (Typ.) standby current. The

output switch includes cycle-by cycle current limiting, as well as thermal shutdown for full protection under fault conditions.

Features

Ԧ3.3V, 5.0V, 12V and adjustable output versions

ԦGuaranteed 2A output current

ԦOperating voltage can be up to 22V

Ԧ150kHz fixed frequency internal oscillator

ԦBuilt-in TTL On/Off control

ԦTTL Shutdown Capability

ԦUses readily available standard inductors

ԦThermal shutdown and current limit protection

Applications

ԦHigh-efficiency step-down regulator

ԦOne-ch switching regulators simple

ԦPositive to negative converter

Package Dimensions

Block Diagram

REF.

A

B

C

D

E

F

Millimeter

Min.

Max.

5.80

6.20

4.80

5.00

3.80

4.00

0°

8°

0.40

0.90

0.19

0.25

REF.

M

H

L

J

K

G

Millimeter

Min.

Max.

0.10

0.25

0.35

0.49

1.35

1.75

0.375 REF.

45°

1.27 TYP.

GSC2596M

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