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NCP1207B - PWM Controller

Download the NCP1207B datasheet PDF. This datasheet also covers the NCP1207A variant, as both devices belong to the same pwm controller family and are provided as variant models within a single manufacturer datasheet.

Description

overvoltage detection level of 7.2 V.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCP1207A_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP1207B
Manufacturer onsemi
File Size 485.22 KB
Description PWM Controller
Datasheet download datasheet NCP1207B Datasheet

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Other Datasheets by onsemi

Part Number Description
NCP1207 PWM Current-Mode Controller
NCP1207A PWM Controller
NCP120 Very Low Dropout Bias Rail CMOS Voltage Regulator
NCP1200 PWM Current-Mode Controller
NCP1200A PWM Current-Mode Controller

Full PDF Text Transcription

Click to expand full text
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 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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