LTC3577EUFF-4 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3577EUFF-4

Highly Integrated Portable Product PMIC

Linear Technology 

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TYPICAL APPLICATIONS

LTC3577-3/LTC3577-4

5V WALL

ADAPTER

Si2333DS

Si2306BDS

D3

5.6V

R1

500k

13

6.2k

8

OPTIONAL OVERVOLTAGE/

REVERSE VOLTAGE PROTECTION

40

USB

10μF

2k 36

DVCC

SDA

SCL

μC/μP

EXTPWR

PBSTAT

PWR_ON

KILL

2.1k 43

10

11

12

499k 499k 499k

42

16

14

4 41

WALL ACPR

30

OVGATE VINLDO1

OVSENSE

39

VOUT

VBUS

32

VIN12

LTC3577-3/

6

LTC3577-4 VIN3

PROG

CHRG 44

IDGATE 37

10μF

2.2μF

2.2μF

CLPROG

DVCC

SDA

BAT 38

34 100k

NTCBIAS

35

NTC

SCL

EXTPWR

18,19,20

SW

9 6M

LED_OV

PBSTAT

PWR_ON

22

ILED

3 20k

LED_FS

Si2333DS

VOUT

SYSTEM

LOAD

1k

100k

NTC

22nF

50V

Si2333DS

(OPT)

+

BAT

Li-Ion

20μF

10μH

ZLLS400

6-LED BACKLIGHT

VBOOST

1μF

50V

EN3

ILIM0

RST ILIM1

VLDO1

2.5V

150mA

VLDO2

1.0V

150mA

17

1

2

PUSHBUTTON

EN3

ILIM0

ILIM1

33

SW1

4.7μH

26

FB1

15 ON

28

LDO1

30

VINLDO2

31

SW2

4.7μH

1μF 470k

1.00M

23

LDO1_FB

29

LDO2

25

FB2

5

SW3

3.3μH

1μF 464k

115k

24

LDO2_FB

7

FB3

21

PGOOD

GND

45

100k

10pF 1.02M 324k

10pF 806k 649k

10pF 402k 649k

10μF

VOUT1

3.3V

500mA

10μF

10μF

VOUT2

1.8V

500mA

VOUT3

1.3V

800mA

35773 TA03

357734fb

49

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