TEA1202TS_00 데이터 시트보기 (PDF) - Philips Electronics

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TEA1202TS_00

Battery power unit

Philips Electronics 

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LBI2 12

LBI1 13

LBO 14

1

LX1

20

LX2

5

ILIM

Vref

TEA1202TS

LOW BATTERY

DETECTOR

LDO2

SHDWN0

Vref

P-type POWER FET

LDO1

sense FET

START-UP

CIRCUIT

INTERNAL

SUPPLY

3 SHDWN2

11

IN2

10 OUT2

9 FB2

6

OUT1

7

FB1

4 UPOUT/DNIN

8

GND

Vref

CURRENT LIMIT

COMPARATOR

CONTROL LOGIC

AND

MODE GEARBOX

16

FB0

Vref

N-type

POWER

FET

17

GND0

sense

FET

TEMPERATURE

PROTECTION

13 MHz

OSCILLATOR

SYNC

GATE

TIME

COUNTER

DIGITAL CONTROLLER

18

2 19

SYNC/PWM SHDWN0 U/D

REFERENCE 15

VOLTAGE

Vref

MGU062

Fig.1 Block diagram.

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