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S-8541

Seiko Instruments
Part Number S-8541
Manufacturer Seiko Instruments
Description (S-8540 / S-8541) 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Published Aug 28, 2009
Detailed Description Rev.3.2_00 com STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8...
Datasheet PDF File S-8541 PDF File

S-8541
S-8541

Overview
Rev.
3.
2_00 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 current switching regulator is realized with the help of small external components due to the high oscillation frequency, 300 kHz and 600 kHz.
The S-8540 Series provides low-ripple voltage, high efficiency...


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