S-8354 Datasheet (Seiko Instruments) - (S-8353 / S-8354) PWM Control Switchable Built-in Transistor Switching Regulator

S-8354, (S-8353 / S-8354) PWM Control Switchable Built-in Transistor Switching Regulator

www.DataSheet4U.com Rev.1.4_00 STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR S-8353/8354 Series The S-8353/8354 Series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, a power MOS FET, an error amplifier, a phase compensation circuit, a PWM control circuit (S-8353 Series) and a PWM / PFM switching control circuit (S-8354 Series).

The S-8353/8354 Series can configure the step-up switching

S-8354 Features

* the small package and low current consumption make the S-8353/8354 Series ideal for portable equipment applications requiring high efficiency. The S-8353 Series realizes low ripple, high efficiency, and excellent transient characteristics due to its PWM control circuit whose duty ratio can be varie