S-8460 - PWM CONTROL SWITCHING REGULATOR CONTROLLER

Seiko Instruments

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Datasheet Details

Part number	S-8460
Manufacturer	Seiko Instruments
File Size	605.16 KB
Description	PWM CONTROL SWITCHING REGULATOR CONTROLLER
Datasheet	S-8460-SeikoInstruments.pdf

S-8460 Product details

Description

1 VIN IC power supply pin 2 VL Power supply pin for boost 1 Shutdown pin 3 ON/OFF “H” : Normal operation (step-up and down) “L” : Halt (no step-up and down) 4 VSS GND pin 2 5 CSS Capacitor connection pin for soft-start time 6 CPRO Capacitor connection pin for setting protection time 7 T Test pin, should be connected to GND 8 NC No connection 3 9 FB FB pin 10 NC No connection 3 11 EXT3 External transistor driving pin 3 12 DVSS Digital GND pin 2 13 EXT2 External tr

Features

s.
Single-coil, step-up or step-down switching realizes high efficiency.
High efficiency is realized by using only N-channel power MOS FET as an external power MOS.
Synchronous rectification at step-down operation.
Input voltage : 2.2 to 18.0 V.
Variable output voltage : Output voltage range 2.5 to 6.0 V.
Automatic-recovery overload protection circuit.
Oscillation frequency : 300 kHz.
Soft-start function set by a.

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Published: Jul 5, 2015 |