Description
Data Sheet PULSE-WIDTH-MODULATION CONTROL CIRCUITS General .
Features
AZ494A/C
The AZ494A/C is a voltage mode pulse width modula-.
Stable 4.
Features
* AZ494A/C
The AZ494A/C is a voltage mode pulse width modula-
* Stable 4.95V/5V Reference Voltage Trimmed to
tion switching regulator control circuit designed pri-
±1.0% Accuracy
marily for power supply control.
* Uncommitted Output TR for 200mA Sink or
Source Current
The AZ494A/C cons
Applications
* SMPS
* Back Light Inverter
* Charger
SOIC-16
DIP-16
Sep. 2009 Rev. 1. 4
Figure 1. Package Types of AZ494A/C
BCD Semiconductor Manufacturing Limited
1
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Pin Configuration
M/P Package (SOIC-16/DIP-16)
1IN +
1
1IN -
2
FEEDBACK
3
DTC
4