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TEA2164 Datasheet

  • TEA2164

  • SWITCH MODE POWER SUPPLY PRIMARY CIRCUIT

  • 15頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TEA2164
SWITCH MODE POWER SUPPLY PRIMARY CIRCUIT
.
.
.
.
.
.
.
POSITIVE AND NEGATIVE OUTPUT CUR-
RENT UP TO 1.2A AND 鈥?1.7A
A TWO LEVEL COLLECTOR CURRENT LIMI-
TATION
COMPLETE TURN OFF AFTER LONG DURA-
TION OVERLOADS
UNDER AND OVER VOLTAGE LOCK-OUT
SOFT START BY PROGRESSIVE CURRENT
LIMITATION
DOUBLE PULSE SUPPRESSION
BURST MODE OPERATION UNDER STAND-
BY CONDITIONS
DESCRIPTION
In a master slave architecture, the TEA2164 control
IC achieves the slave function. Primarily designed
for TV receivers and monitors applications, this
circuit provides an easy synchronization and smart
solution for low power stand by operation.
Located at the primary side the TEA2164 Control
IC ensures :
- the power supply start-up
- the power supply control under stand-by condi-
tions
- the process of the regulation signals sent by the
master circuit located at the secondary side
- directbase drive of the bipolar switching transistor
- the protection of the transistor and the power
supply under abnormal conditions.
For more details, refer to application note AN409.
POWERDIP16
(Plastic Package)
ORDER CODE :
TEA2164
PIN CONNECTIONS
GROUND
I COPY
LONG CAPACITOR OVERLOAD CAPACITO R
SUBSTRATE
SUBSTRATE
PULSE INPUT
OSCILLATOR TIMING RESISTOR
OSCILLATOR TIMING CAPACITOR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
SUPPLY VOLTAGE
OUTPUT STAGE POSITIVE SUPPLY VOLTAGE
OUTPUT (BASE CURRENT)
SUBSTRATE
SUBSTRATE
I
C
(max.)
SENSE
LOW FREQUENCY OSCILLATOR CAPACITOR
FEEDBACK INPUT IS BURST MODE
2164-01.EPS
December 1992
1/15

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