S-8541, S-8540 Datasheet - Seiko Instruments

S-8541 (S-8540 / S-8541) 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

GND pin Connection pin for external transistor IC power supply pin Bypass capacitor connection pin for CVREF reference voltage source Shutdown pin Soft-start capacitor connection pin ON/ OFF * Normal operation (step-down operation) * All circuit halts (no step-down operation) None co.

Rev.3.2_00 www.DataSheet4U.com STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8540/8541 Series The S-8540/8541 Series is a family of CMOS stepdown switching regulator controllers with PWM control (S-8540 Series) and PWM/PFM switchover control (S8541 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 efficiency and large curre.

S-8541 Features

* Oscillation frequency

* Output voltage

* Output voltage precision

* Feed back type for output voltage (FB)

* External components:

* Built-in PWM/PFM switchover control circuit (S-8541 series)

* Current limit circuit

* Soft-start

S-8540_SeikoInstruments.pdf

S-8541 Datasheet Preview — This datasheet PDF includes multiple part numbers: S-8541, S-8540. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

S-8541, S-8540

Manufacturer:

Seiko Instruments

File Size:

505.06 KB

Description:

(s-8540 / s-8541) 600 khz pwm control or pwm/pfm switchable switching regulator controller.

Note:

This datasheet PDF includes multiple part numbers: S-8541, S-8540.
Please refer to the document for exact specifications by model.

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TAGS

S-8541 S-8540 S-8540 S-8541 600 kHz PWM CONTROL PWM PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Seiko Instruments

S-8541 Distributor