US3018CW Ver la hoja de datos (PDF) - Unisem

Número de pieza

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Lista de partido

US3018CW

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

Unisem 

US3018

TYPICAL APPLICATION

12V

5V

C2

L1

C3

3.3V

C1

R22

C8

R12

C10

C14

1

20

V12

OCSet1

R13

UGate1 24

Q3

8 V5

C19

Phase1 23

R14

LGate1 22

Q4

10 Fault/Rt

PGnd 21

Vsen1 19

Fb1 18

R19

12 Vin2

U1

En 17

L3

C13

C16

R15 R16

R21

R17 C15

Vout1

1.8V - 3.5V

Vout3

1.5V

Q2

C17

Vout4

2.5V

C18

15 Gate3

PGood 7

R5

16 Fb3

VID0 6

R6

VID1 5

VID2 4

VID3 3

13 Vout2

VID4 2

Fb2 Gnd SS

R7

11

14

9

3018app1-1.6

5V

R8

C9

PGood

Figure 2 - Typical application of US3018 for an on board DC-DC converter providing power for the Vcore

, GTL+ & Clock supply for the Deschutes and the next generation processor applications.

Rev. 1.4

12/8/00

4-7

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