S-8533 - SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER

Seiko Instruments

S-8533 Datasheet Preview — Preview of S-8533 PDF

Datasheet Details

Part number	S-8533
Manufacturer	Seiko ↗ Instruments
File Size	465.68 KB
Description	SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Datasheet	S-8533_SeikoInstruments.pdf

S-8533 Product details

Description

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 pin current PDRV pin current Power dissipation Symbol VIN VOUT VON/OFF VCSS VNDRV VPDRV INDRV IPDRV PD (Ta = 25°C unless otherwise specified) Absolute Maximum Rating Unit VSS 0.3 to VSS + 1

Features

s.
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 voltage : 2.7 to 16.0 V.
Output voltage : 1.25 V 1.3 to 6.0 V, selectable in 0.1 V steps.
Output voltage accuracy : ±2.0%.
Soft-start function set by an external capacitor (C.

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Published: Aug 28, 2009 |