NCP1000
NCP1000 is Integrated Off-Line Switching Regulator manufactured by onsemi.
features such as undervoltage lockout, over--temperature protection, bandgap reference and leading edge blanking that make them an excellent value.
Features
- Highly Integrated Solution
- Operates Over Universal Input Voltage Range (85 Vac to 265 Vac)
- On--board 700 V Power Switch Circuit
- Minimal External Parts Required
- Input Undervoltage Lockout with Hysteresis
- Very Low Standby Current
- No Minimum Load Requirement
- Opto Fail--Safe Shutdown Circuit
- These are Pb--Free Devices-
Typical Applications
- Cell Phone Chargers
- Wall Adapters
- On--board AC--DC Converters
STARTUP
INTERNAL BIAS UVLO &
OPTO FAIL--SAFE
STARTUP CIRCUIT
FEEDBACK INPUT
+ --
PWM CONTROL & POWER
SWITCH CIRCUIT
PARATOR
POWER SWITCH CIRCUIT
OSCILLATOR
Figure 1. Simplified Block Diagram
- For additional information on our Pb--Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
Semiconductor ponents Industries, LLC, 2010
December, 2010 -- Rev. 12
1 http://onsemi.
8 1
PDIP--8 P SUFFIX CASE 626
Pin: 1. 2.
VCC Feedback Input
3, 6--8 Ground
4....
