onsemi NCP1256
The NCP1256 includes everything to build cost−effective switch mode power supplies ranging from a few watts up to several tens of watts. It hosts a jittered 65 or 100−kHz switching circuitry operated in peak current mode control. When the power in the secondary side starts decreasing, the controller automatically folds back its switching frequency down to a minimum level of 26 kHz.| Part No. | NCP1256 |
|---|---|
| Datasheet | NCP1256 Download |
| Manufacturer |  onsemi |
| Description | Low Power Offline PWM Controller |
| Buy | Stock & Price |
FEATURES
● Fixed−frequency 65−kHz or 100−kHz Current−mode Control Operation● Adjustable Over Power Protection (OPP) Circuit, Disabled at Low Line
● Adjustable Brown Out Level
● Frequency Foldback down to 26 kHz and Skip−cycle in Light Load Conditions
● Internally−fixed Slope Compensation 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
● Latched/Auto−Recovery OVP Protection on Vcc
● Latched Inputs for Improved Robustness (OVP and OTP implementations)
● Auto−Recovery ac Line OVP Protection (E Version)
● +500 mA/ −500 mA Source/Sink Drive Capability
● EPS 2.0 Compliant
● These are Pb−Free Devices Typical
APPLICATIONS
● Ac−dc Adapters for Portable Devices, Computers, Tablets etc.● Auxiliary Power Supplies 1 TSOP−6 CASE 318G STYLE 13 MARKING DIAGRAM 6xxAYWG G 1 6xx = Specific Device C...
