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What is S-1122?

This electronic component, produced by the manufacturer "Seiko Instruments", performs the same function as "HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR".


S-1122 Datasheet PDF - Seiko Instruments

Part Number S-1122
Description HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Manufacturers Seiko Instruments 
Logo Seiko Instruments Logo 


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S-1112/1122 Series
www.sii-ic.com
© Seiko Instruments Inc., 2002-2015
HIGH RIPPLE-REJECTION AND LOW DROPOUT
CMOS VOLTAGE REGULATOR
Rev.6.1_00
The S-1112/1122 Series is a positive voltage regulator with a low dropout voltage, high-accuracy output
voltage, 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 protection circuit prevents the load current from exceeding the current capacity of the output
transistor. An ON/OFF circuit ensures a long battery life. Compared with the voltage regulators using the
conventional CMOS technology, a larger variety of capacitors are available, including small ceramic capacitors.
Small SNT-6A(H) (S-1112 Series only) and SOT-23-5 packages realize high-density mounting. In SOT-23-5,
the lineup includes the S-1112 and S-1122 Series, which differ in pin configuration.
Features
Output voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Output capacitor:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in ON/OFF circuit:
Operation temperature range:
Lead-free, Sn 100%, halogen-free*2
1.5 V to 5.5 V, selectable in 0.1 V step
±1.0%
190 mV typ. (3.0 V output product, IOUT = 100 mA)
During operation: 50 μA typ., 90 μA max.
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 150 mA (VIN VOUT(S) + 1.0 V)*1
A ceramic capacitor of 0.47 μF or more can be used.
80 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Ensures long battery life.
Ta = 40°C to +85°C
*1. Attention should be paid to the power dissipation of the package when the output current is large.
*2. Refer to “Product Name Structure” for details.
Applications
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for personal communication device
Constant-voltage power supply for home electric/electronic appliance
Constant-voltage power supply for cellular phone
Packages
SNT-6A(H)
SOT-23-5
Seiko Instruments Inc.
1

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S-1122 equivalent
HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.6.1_00
S-1112/1122 Series
3. Product name lists
(1) S-1112 Series
Table 1
Output Voltage
SNT-6A(H)
SOT-23-5
1.5 V ±1.0%
S-1112B15PI-L6ATFU S-1112B15MC-L6ATFx
1.6 V ±1.0%
S-1112B16PI-L6BTFU S-1112B16MC-L6BTFx
1.7 V ±1.0%
S-1112B17PI-L6CTFU S-1112B17MC-L6CTFx
1.8 V ±1.0%
S-1112B18PI-L6DTFU S-1112B18MC-L6DTFx
1.9 V ±1.0%
S-1112B19PI-L6ETFU S-1112B19MC-L6ETFx
2.0 V ±1.0%
S-1112B20PI-L6FTFU S-1112B20MC-L6FTFx
2.1 V ±1.0%
S-1112B21PI-L6GTFU S-1112B21MC-L6GTFx
2.2 V ±1.0%
S-1112B22PI-L6HTFU S-1112B22MC-L6HTFx
2.3 V ±1.0%
S-1112B23PI-L6ITFU
S-1112B23MC-L6ITFx
2.4 V ±1.0%
S-1112B24PI-L6JTFU S-1112B24MC-L6JTFx
2.5 V ±1.0%
S-1112B25PI-L6KTFU S-1112B25MC-L6KTFx
2.6 V ±1.0%
S-1112B26PI-L6LTFU S-1112B26MC-L6LTFx
2.7 V ±1.0%
S-1112B27PI-L6MTFU S-1112B27MC-L6MTFx
2.8 V ±1.0%
S-1112B28PI-L6NTFU S-1112B28MC-L6NTFx
2.85 V ±1.0%
S-1112B2JPI-L7PTFU S-1112B2JMC-L7PTFx
2.9 V ±1.0%
S-1112B29PI-L6OTFU S-1112B29MC-L6OTFx
3.0 V ±1.0%
S-1112B30PI-L6PTFU S-1112B30MC-L6PTFx
3.1 V ±1.0%
S-1112B31PI-L6QTFU S-1112B31MC-L6QTFx
3.2 V ±1.0%
S-1112B32PI-L6RTFU S-1112B32MC-L6RTFx
3.3 V ±1.0%
S-1112B33PI-L6STFU S-1112B33MC-L6STFx
3.4 V ±1.0%
S-1112B34PI-L6TTFU S-1112B34MC-L6TTFx
3.5 V ±1.0%
S-1112B35PI-L6UTFU S-1112B35MC-L6UTFx
3.6 V ±1.0%
S-1112B36PI-L6VTFU S-1112B36MC-L6VTFx
3.7 V ±1.0%
S-1112B37PI-L6WTFU S-1112B37MC-L6WTFx
3.8 V ±1.0%
S-1112B38PI-L6XTFU S-1112B38MC-L6XTFx
3.9 V ±1.0%
S-1112B39PI-L6YTFU S-1112B39MC-L6YTFx
4.0 V ±1.0%
S-1112B40PI-L6ZTFU S-1112B40MC-L6ZTFx
4.1 V ±1.0%
S-1112B41PI-L7ATFU S-1112B41MC-L7ATFx
4.2 V ±1.0%
S-1112B42PI-L7BTFU S-1112B42MC-L7BTFx
4.3 V ±1.0%
S-1112B43PI-L7CTFU S-1112B43MC-L7CTFx
4.4 V ±1.0%
S-1112B44PI-L7DTFU S-1112B44MC-L7DTFx
4.5 V ±1.0%
S-1112B45PI-L7ETFU S-1112B45MC-L7ETFx
4.6 V ±1.0%
S-1112B46PI-L7FTFU S-1112B46MC-L7FTFx
4.7 V ±1.0%
S-1112B47PI-L7GTFU S-1112B47MC-L7GTFx
4.8 V ±1.0%
S-1112B48PI-L7HTFU S-1112B48MC-L7HTFx
4.9 V ±1.0%
S-1112B49PI-L7ITFU
S-1112B49MC-L7ITFx
5.0 V ±1.0%
S-1112B50PI-L7JTFU S-1112B50MC-L7JTFx
5.1 V ±1.0%
S-1112B51PI-L7KTFU S-1112B51MC-L7KTFx
5.2 V ±1.0%
S-1112B52PI-L7LTFU S-1112B52MC-L7LTFx
5.3 V ±1.0%
S-1112B53PI-L7MTFU S-1112B53MC-L7MTFx
5.4 V ±1.0%
S-1112B54PI-L7NTFU S-1112B54MC-L7NTFx
5.5 V ±1.0%
S-1112B55PI-L7OTFU S-1112B55MC-L7OTFx
Remark 1. Please contact our sales office for type A products.
2. x: G or U
3. Please select products of environmental code = U for Sn 100%, halogen-free products.
Seiko Instruments Inc.
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for S-1122 electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
S-1121The function is (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT. Seiko InstrumentsSeiko Instruments
S-1122The function is HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR. Seiko InstrumentsSeiko Instruments

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