TEA1504 데이터 시트보기 (PDF) - Philips Electronics

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TEA1504

GreenChip™ SMPS control IC

Philips Electronics 

Philips Semiconductors

GreenChip™ SMPS control IC

Preliminary specification

TEA1504

handbook, full pagewidth Vmains

R1

R2

S1

output on/off

mode switch

R3

R4

RCTRL

RDEM CCTRL

OOB 14

1 Vi

DEM 13

2 HVS

n.c. 12

3 n.c.

GND 11 TEA1504 4 DRIVER

n.c. 10

5 Isense

CTRL 9

6 Vaux

REF

8

7 DS

RREF

Caux

power

MOSFET

Rsense

S2

(1)

CµC

(1)

auxiliary

winding

Vo

Co

VµC

S3

burst-mode

stand-by on/off

from

microcontroller

MGS576

(1) Secondary earthing points are isolated from their primary earthing points.

Fig.9 Flyback configuration with secondary sensing using the burst mode standby and on/off feature.

1999 Dec 07

14

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