S-8340 Datasheet (ABLIC) - SWITCHING REGULATOR CONTROLLER

S-8340, SWITCHING REGULATOR CONTROLLER

S-8340/8341 Series www.ablicinc.com © ABLIC Inc., 1999-2010 STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0_02 The S-8340/8341 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage source, oscillation circuit, error amplifier, phase compensation circuit, PWM control circuit (S-8340 Series), and PWM/PFM switching control circuit (S-8341 Series).

Since the oscillation frequency is a high 300 kHz or 600 kHz