S-8540 - SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series www.ablicinc.com © ABLIC Inc., 2000-2010 STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0_02 The S-8540/8541 Series is a family of CMOS step-down switching regulator controllers with PWM control (S8540 Series) and PWM/PFM switchover control (S-8541 Series).
These devices consist of a reference voltage source, oscillation circuit, an error amplifier, phase compensation circuit, PWM control circuit, current limit circuit.
A high effi
