TEA2164S Просмотр технического описания (PDF) - STMicroelectronics

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производитель

TEA2164S

SWITCH MODE POWER SUPPLY PRIMARY CIRCUIT

STMicroelectronics 

TEA2164S

BLOCK DIAGRAM

R1

9

tON

LIMITATION

C1

10

VLF

OSCILLATOR

Valid

Soft

Start

IC(Max.)

11

V-

12 13

IC(Max.)

DETECTION

IC(M3)

IC(M2)

IC(M1)

1

Sawtooth

Return

RS

Q

13%

OUT V+

VCC

14

15

16

VCC

MONITORING

VCC 16V

Internal

VCC

TEA2164S

1

&

SQ

IC COPY

V+

+

AMP

-

&

1

RQ

DELAY

AMP

Sawtooth

Return

RC

OSCILLATOR

&

SYNC

Positive

Pulse

Negative Pulse

SYNC

SWITCH

PULSE

SHAPER

8

7

6

COSC ROSC

IN

Figure 1 : Simplified Application Diagram

V-

VCC < 4.6V

R

Q

S

REPETITIVE

OVERCURRENT

PROTECTION

54

V-

3

2

1

C2

ICOPY

GND

VCC

IN TEA2164S OUT

SLAVE I.C.

VOUT

TEA5170

VREF

MASTER I.C.

PWM

SYNC.

INPUT

2/16

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