NXP Semiconductors TDA8380A
The TDA8380A is an integrated circuit intended for use as a control circuit in low-cost switched mode power supplies for television, monitors and small industrial equipment. The TDA8380A operates using duty factor regulation in the fixed frequency mode. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 E2 C2 DEM VCC Iref FB STAB DUTY COSC SYNC SS VEE E1 C1 Emitter of output source transistor Collector of output source transistor Demagnetization sense input Supply voltage Reference current setting Feedback input Output error amplifier Pulse width modulator...| Part No. | TDA8380A |
|---|---|
| Datasheet | TDA8380A Download |
| Manufacturer |  NXP Semiconductors |
| Description | Control circuit for switched mode power supplies |
| Buy | Stock & Price |
GENERAL DESCRIPTION
TDA8380AFEATURES
● A low-current initialization circuit (maximum 150 µA) which can be switched off● A bandgap reference generator
● Circuitry for slow-start combined with an accurate setting of the maximum duty factor (Dmax)
● Programmable low supply voltage protection with one default value
● High supply protection circuitry
● Error amplifier with a transfer characteristic generator (TCG)
● Protection against open- and short-circuited feedback loop
● An overload voltage foldback
● Primary current protection circuitry for both cycle-by-cycle and trip mode
● Protection against transformer saturation
● A direct drive output stage (sink current 2.5 A, source current 0.75 A)
● Anti-double pulse logic
● Protected against damage as a result of a short-circuited high-voltage transistor
● RC oscillator with synchronization input QUICK REFERENCE DATA PARAMETER Supply voltage Supply current Output pulse repetition frequency range Operating ambient temperature range PACKAGE OUTLINE 16-lead DIL; plastic (SOT38); SOT38-1 ; 1996 November 18.
