S-8533 Datasheet - Seiko Instruments

S-8533 SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER

4 Seiko Instruments Inc. STEP-DOWN, www.DataSheet4U.com Rev.2.3_00 SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER S-8533 Series * Absolute Maximum Ratings Table 2 Parameter VIN pin voltage VOUT pin voltage ON/OFF pin voltage CSS pin voltage NDRV pin voltage PDRV pin voltage NDRV.

Rev.2.3_00 www.DataSheet4U.com STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER S-8533 Series The S-8533 Series is a synchronous PWM control CMOS step-down switching regulator controller that includes a reference voltage source, synchronous circuit, oscillation circuit, error amplifier, phase compensation circuit, and PWM controller. An efficient step-down switching regulator can be realized simply by adding external P-channel and N-channel power MOS FETs, one coil, and three.

S-8533 Features

* Synchronous rectification system realizing high efficiency (typ. 94%)

* Use at maximum duty ratio = 100% and use of a battery up to maximum life is possible by using P-channel and Nchannel power MOS FETs externally.

* Oscillation frequency : 300 kHz typ.

* Input vol

S-8533_SeikoInstruments.pdf

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Datasheet Details

Part number:

S-8533

Manufacturer:

Seiko Instruments

File Size:

465.68 KB

Description:

Synchronous pwm control switching regulator controller.

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S-8533 S-8533 SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER Seiko Instruments

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