PRODUCT NAME

ICF TL494

FUNCTIONAL DESCRIPTION

SMPS Controller

APPLICATIONS

PC power supply

Inverter

GENERAL DESCRIPTION

The ICF TL494 is used for the control circuit of the PWM switching regulator. The ICF TL494 consists of 5V reference voltage circuit, two error amplifiers, a flip flop, an output control circuit, a PWM comparator, a dead time comparator and an oscillator. The output transistor output control circuit can be used to choose push-pull or single ended amplifier work .

FEATURES

Uncommitted Output TR for 500mA Sink or Source Current

can be operated in the switching frequency of 80Hz to 300kHz

The error amplifier is built in two of the same type

5V reference voltage

The choice of output mode

BLOCK DIAGRAM

ORDERING INFORMATION