LTC3548EDD-1-TRPBF(RevB) データシートの表示（PDF） - Linear Technology

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LTC3548EDD-1-TRPBF
(Rev.:RevB)

Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator

Linear Technology 

LTC3548-1

BLOCK DIAGRAM

REGULATOR 1

VIN

VOUT1 2

VFB1 1

0.6V

+

ITH

EA

–

R1 VFB

R3 0.55V –

UV

UVDET

+

+

OV

OVDET

0.65V

–

SHUTDOWN

SLOPE

COMP

0.35V

–

EN

BURST

+

SLEEP

BURST

CLAMP

–+

ICOMP

S

Q

RS

LATCH

R

Q

SWITCHING

LOGIC

AND

BLANKING

CIRCUIT

ANTI

SHOOT-

THRU

IRCMP

RUN1 8

RUN2 6

0.6V REF

OSC

OSC

VOUT2 9

VFB2 10

REGULATOR 2 (IDENTICAL TO REGULATOR 1)

R1 = 240k, R3 = 120k FOR REGULATOR 1

R1 = 195k, R3 = 120k FOR REGULATOR 2

VIN

5Ω

4 SW1

11 GND

VIN

3 VIN

5 GND

7 SW2

3548-1 BD

35481fb

6

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