3433EFE Ver la hoja de datos (PDF) - Linear Technology

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3433EFE

High Voltage Step-Up/Step-Down DC/DC Converter

Linear Technology 

BLOCK DIAGRA

MODE

CONTROL

Burst Mode

CONTROL

LT3433

SENSE

AMPLIFIER

1.25V

BURST

CONTROL

CIRCUITS

BIAS

COMPARATOR

BOOSTED

DRIVER

SLOPE

COMP

OSCILLATOR 200kHz

FREQUENCY

CONTROL

SWITCH

CONTROL

LOGIC

DRIVER

30%

LOAD

ERROR

AMPLIFIER

1.231V

15%

LOAD

SHUTDOWN

5µA

SGND

1, 8, 9,16,17

VBIAS

12

BURST_EN

5

VIN

4

VBST

2

SW_H

3

SW_L

15

GND

14

VFB 7

VC 6

SHDN

11

0.7V

SS

10

VOUT

13

3433 BD

+

VOUT

3433f

7

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