TEA5170 Datasheet
SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT
Download: TEA5170 Datasheet 
TEA5170
SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT
TEA5170
Description
The Tea5170 Is Designed To Work In The Secondary Part Of An Off-line Smps, Sending Pulses To The
Slaved Tea2260/61 Which Are Located On The Primary Side Of The Main Transformer. An Accurate
Regulated Voltage Is Obtained By Duty Cycle Control. The Tea5170 Can Be Externally Synchronized By
higher or lower frequency signal, then it could be used in
Applications like TV set ones. For more details, refer to
Application note AN408/0591.
PIN CONNECTIONS
DIP8 (Plastic Package)
ORDER CODE : TEA5170
SOFT-START CAPA CITOR CSF
SUPPLY VOLTAGE VCC
POWER OUTPUT POUT
GROUND GND
RT OSCILLATOR RESISTOR
CT OSCILLATOR CAPACITOR
E OUT VOLTAGE ERROR AMPLIFIER OUTPUT
VOLTAGE ERROR AMPLIFIER
INVERTING INPUT
5170-01.EPS
September 1993
TEA5170
BLOCK DIAGRAM
OSCILLATOR
LOGIC (SYNCHRO)
Comparator 2.7V
POWER OUTPUT STAGE
5170-02.EPS
TEA5170 Datasheet
SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT
Download: TEA5170 Datasheet
TEA5170
SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT
TEA5170
Description
The Tea5170 Is Designed To Work In The Secondary Part Of An Off-line Smps, Sending Pulses To The
Slaved Tea2260/61 Which Are Located On The Primary Side Of The Main Transformer. An Accurate
Regulated Voltage Is Obtained By Duty Cycle Control. The Tea5170 Can Be Externally Synchronized By
higher or lower frequency signal, then it could be used in
Applications like TV set ones. For more details, refer to
Application note AN408/0591.
PIN CONNECTIONS
DIP8 (Plastic Package)
ORDER CODE : TEA5170
SOFT-START CAPACITOR CSF
SUPPLY VOLTAGE VCC
POWER OUTPUT POUT
GROUND GND
RT OSCILLATOR RESISTOR
CT OSCILLATOR CAPACITOR
E OUT VOLTAGE ERROR AMPLIFIER OUTPUT
VOLTAGE ERROR AMPLIFIER INVERTING INPUT
5170-01.EPS
September 1993
TEA5170
BLOCK DIAGRAM
OSCILLATOR
LOGIC (SYNCHRO)
Comparator 2.7V
POWER OUTPUT STAGE
5170-02.EPS
5170-01.TBL