US3010 View Datasheet(PDF) - Unisem

Part Name

Description

Manufacturer

US3010

5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC

Unisem 

BLOCK DIAGRAM

US3010/3010A

En

Enable

V12

UVLO

V5

Vset

D0

Enable

D1

5Bit

DAC,

D2

Ctrl

D3

Logic

D4

OVP

1.18Vset

V12

Vset

Enable

PWM

+

Control

V12

Slope

Comp

Osc

Soft

Start &

Fault

Logic

Enable

Over

Current

200uA

1.1Vset

Vfb

HDrv

LDrv

CS-

CS+

Ct

SS

PGd

Gnd

0.9Vset

3010Ablk1-1.2

Figure 1 - Simplified block diagram of the US3010/3010A.

Rev. 1.1

5/18/98

4-5

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