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S-1131

Seiko Instruments
Part Number S-1131
Manufacturer Seiko Instruments
Description HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Published Aug 14, 2008
Detailed Description Rev.3.0_01 HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1131 Series www.DataSheet...
Datasheet PDF File S-1131 PDF File

S-1131
S-1131

Overview
Rev.
3.
0_01 HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1131 Series www.
DataSheet4U.
com The S-1131 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption developed based on CMOS technology.
A built-in low on-resistance transistor provides a low dropout voltage and large output current, and a built-in overcurrent protector prevents the load current from exceeding the current capacitance of the output transistor.
An ON/OFF circuit ensures a long battery life, and small SOT-89-3, SOT-89-5 and 6-Pin HSON(A) packages realize high-density mounting.
„ Features • Output voltage: • High-accuracy output voltage: • Low dropout voltage: • Low current consumption: • High peak current capability: • Built-in ON/OFF circuit: • High ripple rejection: • Built-in overcurrent protector: • Small package: • Lead-free products 1.
5 V to 5.
5 V, selectable in 0.
1 V steps.
±1.
0% 250 mV typ.
(3.
0 V output product, IOUT = 100 mA) During operation: 35 µA typ.
, 65 µA max.
During shutdown: 0.
1 µA typ.
, 1.
0 µA max.
300 mA output is possible (at VIN ≥ VOUT(S) + 1.
0 V)*1 Ensures long battery life.
70 dB typ.
(at 1.
0 kHz) Overcurrent of output transistor can be restricted.
SOT-89-3, SOT-89-5, 6-Pin HSON(A) *1.
Attention should be paid to the power dissipation of the package when the output current is large.
„ Applications • Power supply for DVD and CD-ROM drives • Power supply for battery-powered devices • Power supply for personal communication devices • Power supply for note PCs „ Packages Package Name SOT-89-3 SOT-89-5 6-Pin HSON(A) Package UP003-A UP005-A PD006-A Drawing Code Tape UP003-A UP005-A PD006-A Reel UP003-A UP005-A PD006-A Seiko Instruments Inc.
1 HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.
3.
0_01 S-1131 Series „ Block Diagrams (1) Without shutdown function (Package : SOT-89-3) *1 VIN VOUT Overcurrent protector www.
DataSheet4U.
com ...


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