LTC3576EUFE View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3576EUFE

Switching Power Manager with USB On-the-Go + Triple Step-Down DC/DCs

Linear Technology 

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LTC3576/LTC3576-1

TYPICAL APPLICATIONS

Minimum Parts Count USB Power Manager with Low-Battery Start-Up and USB On-the-Go

USB,

WALL ADAPTER

USB

ON-THE-GO

C1

10μF

0805

C2

1k

0.1μF

0402

26 27 28

35

VC

34 VBUS

VBUS

5

OVGATE

6

OVSENS

3

NTCBIAS

4

NTC

29

PROG

1

CLPROG

3.01k

WALL

ACPR 36

SW

33

VOUT 31

IDGATE

32

BAT

8

VIN1

9

SW1

7

FB1

LTC3576/LTC3576-1

L1

3.3μH

+

Li-Ion

C3

22μF

0805

L2

4.7μH

1.02M

10pF

324k

10μF

TO OTHER

LOADS

1.76V TO 3.3V

400mA

1μF

MEMORY

2

LDO3V3

1μF

12

DVCC

PUSHBUTTON

MICROCONTROLLER

30 CHRG

13, 14

I2C

C1: MURATA GRM21BR7A106KE51L

C3: TAIYO YUDEN JMK212BJ226MG

L1: COILCRAFT LPS4018-332LM

L2, L3: TOKO 1098AS-4R7M

L4: TOKO 1098AS-2R0M

10

EN1

22

EN2

19 EN3

11

ENOTG

37

38 ILIM0

ILIM1

24

VIN2

23

SW2

L3

4.7μH

25

FB2

1.02M

365k

16

VIN3

L4

17 2μH

SW3

751k

20

FB3

806k

RST3 21

1.61V TO 3.03V

400mA

I/O

10pF

1μF

10μF

MICROPROCESSOR

0.8V TO 1.51V

1A

CORE

POR

10pF

1μF

10μF

10k

3576 TA02

3576f

42

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