NCP1207A - PWM Controller

onsemi

General Description

overvoltage detection level of 7.2 V.

Key Features

Free.
Running Borderline/Critical Mode Quasi.
Resonant Operation.
Current.
Mode with Adjustable Skip.
Cycle Capability.
No Auxiliary Winding VCC Operation.
Auto.
Recovery Overcurrent Protection.
Latching Overvoltage Protection.
External Latch Triggering, e. g. Via Overtemperature Signal.
500 mA Peak Current Source/Sink Capability.
Undervoltage Lockout for VCC Below 10 V.
Internal 1.

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NCP1207A pwm controller by onsemi - Datasheet Preview

Datasheet Details

Part number	NCP1207A
Manufacturer	onsemi
File Size	485.22 KB
Description	PWM Controller
Datasheet	NCP1207A Datasheet

Full PDF Text Transcription for NCP1207A (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCP1207A. For precise diagrams, and layout, please refer to the original PDF.

DATA SHEET www.onsemi.com PWM Current-Mode Controller for Free Running Quasi-Resonant Operation NCP1207A, NCP1207B The NCP1207A/B combines a true current mode modulator a...

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207A, NCP1207B The NCP1207A/B combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi−Resonant operation). Due to its inherent skip cycle capability, the controller enters burst mode as soon as the power demand falls below a predetermined level. As this happens at low peak current, no audible noise can be heard. For the NCP1207A, an internal 8.

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