Philips NE5561
The NE5561/SE5561 is a control circuit for use in switched-mode power supplies. It contains an internal temperature- compensated supply, PWM, sawtooth oscillator, overcurrent sense latch, and output stage. The device is intended for low cost SMPS applications where extensive housekeeping functions are not required.| Part No. | NE5561 |
|---|---|
| Datasheet | NE5561 Download |
| Manufacturer |  Philips |
| Description | Switched-mode power supply control circuit |
| Buy | Stock & Price |
DESCRIPTION
PIN CONFIGURATION D, FE, N Packages VCC VZ 1 2 3 4 8 7 6 5 GND OUTPUT CURRENT SENSE RT, CTFEATURES
FEEDBACK 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 Plastic Dual In-Line Package (DIP) 8-Pin Ceramic Dual In-Line Package (CERDIP) 8-Pin Small Outline (SO) Package Figure 1. Pin ConfigurationAPPLICATIONS
● Switched-mode power supplies● DC motor controller inverter
● DC/DC converter TEMPERATURE RANGE 0 to +70°C -55 to +125°C -55 to +125°C 0 to +70°C ORDER CODE NE5561N SE5561N SE5561FE NE5561D DWG # SOT97-1 SOT97-1 0580A SOT96-1 BLOCK DIAGRAM RT, CT 5 REF VOLTAGE SAWTOOTH GENERATOR VCC + ERROR AMP FEEDBACK 3 – PWM R GAIN 4 7 S LATCH OUTPUT 0.5V – STABILIZED SUPPLY 1 8 GND 8.2V 2 VZ CURRENT SENSE 6 + VCC SL00385 Figure 2. Block Dia...
