TEA1207T Просмотр технического описания (PDF) - Philips Electronics

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производитель

TEA1207T

High efficiency DC/DC converter

Philips Electronics 

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4

LX

2

ILIM

P-type POWER FET

I/V

CONVERTER

sense FET

START-UP

CIRCUIT

INTERNAL

SUPPLY

3

UPOUT/DNIN

TEA1207T

I/V

CONVERTER

N-type

POWER

FET

sense

FET

6

GND

CURRENT LIMIT

COMPARATORS

CONTROL LOGIC

AND

MODE GEARBOX

7

FB

TEMPERATURE

PROTECTION

13 MHz

OSCILLATOR

SYNC

GATE

TIME

COUNTER

DIGITAL CONTROLLER

BAND GAP

REFERENCE

5

81

SYNC

SHDWN U/D

MGR665

Fig.1 Block diagram.

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