acdcblock| Datasheet

By datasheet - March 7th, 2009

acdcblock| Datasheet

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AC/DC converter Block Diagram
Positive power supply
The one with the bulit-in coil
Point A Input pin 141V Output pin

The operating the principle is switching regulator based on chopper form.

The one with the external coil
Point A Input pin 141V

Coil connect pin Output pin

Switchig circuit
Flywheel diode

Current detection circuit

Switchig circuit

Current detection circuit

Drive circuit

Voltage detection circuit

Drive circuit

Voltage detection circuit

COMMON pin

Impressing the 100V(DC conversion=141V) rectified between Input pin-COMMON pin, Switching 0 to 141V as shown wave shape at the internal circuit point A and smoothing by output capacitor enables to output.

Negative power supply
Only the one with the external coil can be used
Point A Input pin -141V Coil connect pin Output pin

Switchig circuit

Current detection circuit

Drive circuit

Voltage detection circuit

COMMON pin

Impressing the 100V(DC conversion= 141V) rectified between Input pin-COMMON pin, Switching 0 to 141V as shown wave shape at the internal circuit point A and smoothing by output capacitor enables to output.