TEA2164S datasheet(5/16 Pages) STMICROELECTRONICS

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I - FIELD OF APPLICATION

TEA2164S

TEA5170

Mains

Input

SCANNING

DEVICE

VOLTAGE

REGULATOR

AUDIO OUTPUT

STAGE

Remote

Standby

Remote

Standby

Muting

Control

µP

INFRA-RED

RECEIVER

Synchronization

Second ground (isolated from mains)

Power primary ground

P2 : Output voltage adjustment in standby

P1 : Output voltage adjustment in normal mode

Figure 3 : Master Slave Power Supply Architecture

The TEA2164S control circuit has been designed

primarily for discontinuous mode flyback built with

a master-slave architecture, whatever the field of

application.

But due to its capability to synchronize the transis-

tor switching-off with an external signal (line fly-

back) and due to an adapted burst-mode operation

for a low power stand-by operation, the TEA2164

offers a smart solution for monitors and TV sets

applications.

Power supply main features :

- maximum output power 140W (transistor forced

gain : 3.5)

- stand-by mode output power (1W

≤ Psb ≤ 6W ;

efficiency > 50%)

- operating frequency up to 50kHz

- power-switch : bipolar transistor

Adapted master-circuit :

- Monitor application

→ TEA5170

- Standard TV application

→ TEA2028B

TEA2029C

TEA2128

TEA5170

- Digital TV application

→ TEA5170

(TEA2028B, TEA2029C and TEA2128 are deflec-

tion processors with built-in PWM generator).

TEA2164S

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