S-8351 - SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR

Seiko Instruments

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Datasheet Details

Part number	S-8351
Manufacturer	Seiko Instruments
File Size	752.14 KB
Description	SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet	S-8351_SeikoInstruments.pdf

S-8351 Product details

Description

Output voltage pin and IC power supply pin GND pin External inductor connection pin (Open-drain output) 2 Figure 7 3 Table 7 S-8352 Series B and C Types (Without shutdown function, VDD / VOUT non-separate type) Pin No.1 2 3 Symbol VOUT VSS EXT Pin Description Output voltage pin and IC power supply pin GND pin External transistor connection pin (CMOS output) SOT-23-5 Top view 5 4 Pin No.1 Table 8 S-8351 Series A Type (With shutdown function, VDD / VOUT non-separate type) Symbol ON / OFF Pi

Features

s.
Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed.
Low current consumption : During operation 23.2 µA (VOUT = 3.3 V, typ. ) During shutdown 0.5 µA (max. ).
Duty ratio : 50 % / 75 % built-in auto-switching-type PFM control circuit (A, B, and D type) 75 % built-in fixed-type PFM control circuit (C type).
External parts : Coil, capacitor, and diode.
Output voltage : Selectable in 0.1 V steps between 2.0 to 6.5 V (A, B, and C type) S.

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Published: Feb 11, 2010 |