US3018CW 데이터 시트보기 (PDF) - Unisem

부품명

상세내역

제조사

US3018CW

5 BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS LDO CONTROLLER AND 200mA LDO ON BOARD

Unisem 

US3018

BLOCK DIAGRAM

En

V12

V5

VID0

VID1

VID2

VID3

VID4

Vsen1

Fb3

Gate3

Vin2

Vout2

Fb2

PGood

Enable

UVLO

Vset

5Bit

DAC

4.3V

V12

Over

Voltage

Vset

Enable

1.17Vset

PWM

+

Control

V12

Slope

2.5V

Comp

Osc

1.1Vset

Enable

Soft

Start &

Fault

Logic

Over

Current

200uA

Fb1

UGate1

LGate1

Phase1

OCSet1

V12

1.26V

V5

0.9Vset

0.9V

Fault / Rt

SS

PGnd

Gnd

3018blk1-1.2

Figure 1 - Simplified block diagram of the US3018

4-6

Rev. 1.4

12/8/00

Share Link: