AS2214
Features
- Low Startup Current
- Bulk and AC sensing
- Soft Start
- Single-start or auto-restart modes
- Oscillator trimmed for precision duty cycle clamp
- Standard temperature range extended to 105°C
- Remote on / off control
- Buffered Ramp for slope pensation
- Standard current mode control
Description
The AS2214 is a full featured, pulse width modulation controller. Based on an improved AS3842, the AS2214 provides additional features that reduce ponent count and improve specifications in a wide range of power supply designs. The added functionality includes AC power and bulk voltage sensing, over-voltage input, as well as the ability to latch off or bounce through different fault conditions.
The PWM function is controlled by the current sense parator for normal current mode control and a second parator for voltage mode soft start. A buffered RAMP signal is available for slope pensation without loading the...
