LT8602 datasheet(33/38 Pages) LINER

номер детали	LT8602

подробное описание детали	42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller

PDF	38 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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33 / 38 page

LT8603

8603f

For more information www.linear.com/LT8603

Details of Front Page Application

TYPICAL APPLICATIONS

Start-Up Sequence

Wurth 74437336033

Wurth 74437336015

Wurth 74437324010

Wurth 7443736015

SD1

PMEG060V050EPD

RJK0651DPB-00

FK3306010L

1.0H

C9, 22pF

R10, 187k

R11, 374k

C15

47F

OUT3

1.2V

C12

0.1F

1.5H

C13, 15pF

R8, 1MEG

R9, 432k

C14

47F

OUT2

3.3V

R12

28.7k

C10, 4.7F

C11, 4.7F

C8, 2.2nF

C7, 2.2nF

100F

SD2*

SD1

1.5H

4.7F

CVIN1**

4.7F

CVIN2**

4.7F

VBATT

2V TO 20V

TRANSIENTS TO 42V

(4.3V TO START)

0.1F L1, 3.3H

C8, 3.3pF

R6, 1MEG

R7, 249k

22F

OUT1

5.0V

8603 TA03a

ISP4

FB4

TRKSS1

TRKSS2

INTVCC4

INTVCC

FSEL4A

RUN3

POREN

FSEL4B

SYNC

CPOR

EN/UVLO

ISN4 GATE4

VIN PVIN1 PVIN2

BST1

SW1

FB1

BST2

SW2

FB2

BIAS

PVIN3

SW3

FB3

PG1

PG2

PG3

PG4

RST

LT8603

GND

*SD2 OPTIONALLY PROVIDES REVERSE BATTERY PROTECTION. REPLACE WITH SHORT IF REQUIRED.

**CVIN1, CVIN2, AND CVIN3 SHOULD BE PLACED AS CLOSE AS POSSIBLE TO THEIR RESPECTIVE PVIN PINS.

*** M2 IS RECOMMENDED FOR LOWEST QUIESCENT CURRENT WHEN CHANNEL 4 IS INACTIVE

C16, 1000pF

CVIN3**

4.7F

M2***

1MEG

110k

BOOST ON/OFF

INTVCC4

OUT4

8V FOR VBATT < 8.4V

VBATT – 0.4V FOR VBATT > 8.4

VIN

VOUT4

VOUT3

VOUT2

VOUT1

4ms/DIV

2V/DIV

8603 TA03b

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