TEA1501/N1 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TEA1501/N1

Greeny; GreenChip™

Philips Electronics 

Philips Semiconductors

Greeny; GreenChip™

BLOCK DIAGRAM

Preliminary specification

TEA1501

handbook, full pagewidth

6

Gnd

SUPPLY CURRENT

TRACKING

MODULATOR

3

Bt

BURST OSCILLATOR

on/off level

OOD 2

data on

data off

Vaux

Ref

Drn

5

4

8

Vaux MANAGEMENT

REFERENCE BLOCK

TEMPERATURE

PROTECTION

startup current source

LOGIC

SWITCH

OSCILLATOR

COUNTER

TEA1501

GATE DRIVER

LEADING EDGE

BLANKING

power

switch

1

Src

Vdetect

MGM820

Fig.2 Block diagram.

PINNING

SYMBOL PIN

DESCRIPTION

Src

1 source of the power switch and input

for primary current sensing

OOD

2 on/off input and data transfer output

Bt

3 input for burst capacitor

Ref

4 input for reference resistor

Vaux

5 supply input of the IC and input for

voltage regulation

Gnd

6 ground

n.c.

7 not connected to comply with safety

requirements

Drn

8 drain of the power switch and input

for startup current

handbook, halfpage

Src 1

8 Drn

OOD 2

Bt 3

TEA1501

7 n.c.

6 Gnd

Ref 4

5 Vaux

MGM821

Fig.3 DIL8 Package.

1998 Aug 19

4

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