TPS92314 Datasheet, PDF (2/26 Pages) Texas Instruments – Off-Line Primary Side Sensing Controller with PFC

TPS92314
TPS92314A
SNVS856B – JUNE 2012 – REVISED MAY 2013
www.ti.com
VCC ¹
AGND ²
ZCD ³
COMP 4
8 GATE
7 ISNS
6 PGND
5 DLY
Figure 1. 8-Pin SOIC (Top View)
See D Package
PIN DESCRIPTIONS
Pin
Name
Description
Application Information
1
VCC
Power supply Input
This pin provides power to the internal control , connect a 10μF~20μF capacitor
to ground for filtering.
2
AGND
Small signal Ground
Control signal ground return.
3
ZCD
Zero crossing detection input The pin senses the voltage of the auxiliary winding for zero current detection.
4
COMP
Compensation network
Output of the error amplifier. Connect a capacitor from this pin to ground to
determine the frequency response of average current control loop.
5
DLY
Delay control input
Connect a resistor from this pin to ground to set the delay between switching
ON and OFF periods.
6
PGND
Power Ground
Gate driver ground return.
7
ISNS Current sense voltage feedback Switching MOSFET current sense pin.
8
GATE
Gate driver output
The output provides the gate driver of the power switching MOSFET.
2
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