Download NCP1256 Datasheet PDF
NCP1256 datasheet preview
NCP1256 page 2
Page 2
NCP1256 page 3
Page 3

NCP1256 Key Features

  • Fixed-frequency 65-kHz or 100-kHz Current-mode Control
  • Adjustable Over Power Protection (OPP) Circuit, Disabled at Low
  • Adjustable Brown Out Level
  • Frequency Foldback down to 26 kHz and Skip-cycle in Light Load
  • Internally-fixed Slope pensation Ramp
  • Internally-fixed 4-ms Soft-start
  • 70-ms Timer-based Auto-recovery Short-circuit Protection
  • Frequency Jittering in Normal and Frequency Foldback Modes
  • Double Hiccup Auto-recovery Short-circuit Protection
  • Pre-short Ready for Latched OCP Option

Related onsemi Datasheets

Part Number Description
NCP1250 Current-Mode PWM Controller
NCP1251 Current-Mode PWM Controller
NCP12510 Current-Mode PWM Controller
NCP1252 PWM Controller
NCP1253 Current-Mode PWM Controller

NCP1256 Description

Low Power Offline PWM Current Mode Controller with Brown-Out Protection NCP1256 The NCP1256 includes everything to build cost−effective switch mode power supplies ranging from a few watts up to several tens of watts. Housed in a tiny TSOP−6 package, the part can be supplied up to 30 V. It hosts a jittered 65 or 100−kHz switching circuitry operated in peak current mode control.

NCP1256 Applications

  • Ac−dc Adapters for Portable Devices, puters, Tablets etc