Philips NE5568
The NE5568 is a control circuit for use in switched mode power supplies. It contains an internal temperature-compensated supply, PWM, sawtooth oscillator, over-current sense latch, and output stage. The device is intended for low cost SMPS applications where extensive housekeeping functions are not required.| Part No. | NE5568 |
|---|---|
| Datasheet | NE5568 Download |
| Manufacturer |  Philips |
| Description | Switched-mode power supply controller |
| Buy | Stock & Price |
DESCRIPTION
The NE5568 is a selected version of the NE5561. PIN CONFIGURATION FE, N Packages VCC VZ FEEDBACK 1 2 3 4 8 7 6 5 GND OUTPUT CURRENT SENSE RT, CTFEATURES
GAIN● Micro-miniature (D) package
● Pulse width modulator
● Current limiting (cycle by cycle)
● Sawtooth generator
● Stabilized power supply
● Double-pulse protection
● Internal temperature-compensated reference ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Package (DIP) 8-Pin Cerdip Dual In-Line Package (CERDIP) TOP VIEW SL00437 Figure 1. Pin ConfigurationAPPLICATIONS
● Switch mode power supplies● DC motor controller inverter
● DC/DC converter TEMPERATURE RANGE 0 to +70°C 0 to +70°C ORDER CODE NE5568N NE5568FE DWG # SOT97-1 0580A BLOCK DIAGRAM RT, CT 5 REF VOLTAGE SAWTOOTH GENERATOR VCC + ERROR AMP FEEDBACK GAIN 0.5V 3 4 – – PWM S LATCH R 7 OUTPUT STABILIZED SUPPLY 1 8 GND 8.2V 2 VZ CURRENT 6 SENSE + VCC SL00438 Figure 2. Block Diagram
ABSOLUTE MAXIMUM RATINGS
SYMBOL VCC IOUT PD TA Supply voltage Output c...