LT3572 查看數據表（PDF） - Linear Technology

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LT3572

Dual Full-Bridge Piezo Driver with 900mA Boost Converter

Linear Technology 

LT3572

BLOCK DIAGRAM

8

VOUT

Q2

OUTA

18

Q3

Q4

OUTA

19

Q5

Q6

OUTB

17

Q7

Q8

OUTB

16

Q9

7

PWMA

OSCILLATOR

A5

+

A2

–

RC

CC

Q10

10

11

12

SHDN SHDNA SHDNB

A6

START-UP/

INTERNAL BIAS

VIN

2

L1

A4

S

Q

R

SW

1

Q1

D1

R4

A3

R5

GND 5

GND

9

GND 20

1.225V

GND 21

VOUT

A1

R1

FB

13

C1

95%/85%

SS

14

R2

C2

A7

PWMB RT SYNC PGOOD

6

43

15

R3

3572 F01

Figure 1. Block Diagram

3572fa

6

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