BL8523
PWM/PFM Step-down DC-DC Controller
DESCRIPTION
FEATURES
The BL8523 is a CMOS-based PWM step-down DC-DC Controller. The device offers the following advantages: lower supply current and wider operating input-voltage range.
The BL8523 consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a soft-start circuit,...