Control unit PWM/PFM

735341

8 Control unit PWM/PFM

Description

Universal control unit for the assembly of switching DC controllers, switched-mode power supplies and single-phase
inverters. It is possible to control all the valves used in power electronics, such as thyristors, GTO thyristors, MOSFETs, Darlington transistors and IGBTs with an output amplifier having electrically isolated outputs for triggering and turn-off. Operation can be selected with the following control modes: pulse width modulation (PWM),
pulse frequency modulation (PFM) or two-position control.

Technical data

Control voltage (all control modes):
- 0...10 V DC
Pulse width modulator:
- Frequency ranges:
- - 20...200 Hz/0.2...2 kHz/2...20 kHz
- Pulse duty cycle t_ON:
- - 0...0.95
Pulse frequency modulator:
- Pulse duration ranges:
- - 5...50 µs/50...500 µs/0.5...5 ms
- Frequency:
- - 20 Hz...20 kHz
Two-position controller:
- Hysteresis:
- - 0...2 V
- Output amplifier:
- - Persistently short-circuit-proof
Indication of switching state via 2 LEDs
2 x 2 electrically isolated outputs (test voltage 3 kV)
INHIBIT input
Supply voltage:
- ±15 V DC

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[735 341] Control unit PWM/PFM

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Control unit PWM/PFM

Description

Technical data

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