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S-8331 - Step-Up Switching Regulator

This page provides the datasheet information for the S-8331, a member of the S-8330 Step-Up Switching Regulator family.

Description

Electric volume data input pin Electric volume clock input pin Electric volume strobe signal input pin Output voltage pin Power supply pin External inductor connection pin (Note 1) External transistor connection pin (Note 2 ) Shutdown pin 7 ON / OFF “H”: normal operation (stepping up operation) “L”:

Features

  • s.
  • Maximum output voltage: 20 V to 30 V (2 V step) 12 V range can be adjusted by electric volume.
  • Output voltage accuracy :±2.4%.
  • Output current: 5 mA ( VIN= 5 V,VOUT= 30 V).
  • Low current consumption : During operation: 100 μA (typ. ) (VIN= 5 V 180 kHz) During shutdown : 1.0 μA (max. ).
  • Shutdown function: Stepping up operation is stopped , and Vout pin is shorted to GND while shutdown.
  • Input voltage range: 2.0 to 9.0 V.
  • Soft start func.

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Datasheet preview – S-8331

Datasheet Details

Part number S-8331
Manufacturer Seiko Instruments USA
File Size 633.30 KB
Description Step-Up Switching Regulator
Datasheet download datasheet S-8331 Datasheet
Additional preview pages of the S-8331 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Rev.5.1_00 STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR S-8330/8331 Series The S-8330/8331 Series is a CMOS PWM-control step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, a power MOS FET (for S-8330 Series) , and an error amplifier. The output voltage can adjust by built-in Electric volume circuit, and equip with shutdown function. The S-8330 Series is low current consumption because of CMOS structure , and a step-up switching regulator constructed by externally connecting only a coil, a capacitor and a diode. This feature, along with its 8-Pin SSOP package and a few external components, makes the S-8330 Series ideal for LCD bias generators of portable equipment.
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