DESCRIPTION
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 internal temperature compensated reference source, internal zener reference, sawtooth generator, pulse width modulator, output stage and cycle by cycle current limit.

FEATURES
• STABILISED POWER SUPPLY
• TEMPERATURE COMPENSATED REFERENCE SOURCE
• SAWTOOTH GENERATOR
• PULSE WIDTH MODULATOR
• CURRENT LIMITING
• 8 PIN DIP