IP5661
IP5661 is SWITCHED.MODE POWER SUPPLY CONTROL CIRCUIT manufactured by Seme LAB.
FEATURES
- STABILISED POWER SUPPLY
- TEMPERATURE PENSATED REFERENCE SOURCE
- SAWTOOTH GENERATOR
- PULSE WIDTH MODULATOR
- CURRENT LIMITING
- 8 PIN DIP
J Package
- 8 Pin Ceramic DIP N Package
- 8 Pin Plastic DIP D Package
- 8 Pin Plastic (150) SOIC
BLOCK DIAGRAM
RT CT
REFERENCE VOLTAGE ERROR AMP FEEDBACK GAIN
SAWTOOTH GENERATOR
DESCRIPTION
OUTPUT
LATCH R
0.5V CURRENT SENSE
STABILISED SUPPLY
8.2V
Vz
The IP5561 is a control circuit for use in switched mode power supplies. This single monolithic chip incorporates all the control and supervisory (protection) functions required in switched mode power supplies, including an inter nal temperature pensated reference source, internal zener reference, sawtooth generator, pulse width modulator, output stage and cycle by cycle current limit.
Order Information
Part Number IP5561 IP5561C J- Pack 8 Pin N- Pack 8 Pin D- 8 8 Pin Temp. Range -55 to +125°C 0 to +70°C Note: To order, add the package identifier to the part number. eg. IP5561J IP5561CD- 8
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
SUPPLY
Voltage Sourced Current Sourced 18V 30m A
OUTPUT TRANSISTOR
Output Current Collector Voltage (Pin 7) Operating Junction Temperature Storage Temperature Range
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