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S-1111 - Seiko Instruments - (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT

Номер произв S-1111
Описание (S-1111 / S-1121) HIGH RIPPLE-REJECTION LOW DROPOUT
Производители Seiko Instruments
логотип Seiko Instruments логотип 
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S-1111 Даташит, Описание, Даташиты
Rev.4.1_00
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR
S-1111/1121 Series
www.datasheet4u.com
The S-1111/1121 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 a small SOT-23-5 package
realize high-density mounting. The lineup includes
the S-1111 and S-1121 Series, which differ in pin
configuration.
„ 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%
200 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.
150 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-23-5
*1. Attention should be paid to the power dissipation of the package when the output current is large.
„ Applications
Power supply for battery-powered devices
Power supply for personal communication devices
Power supply for home electric/electronic appliances
Power supply for cellular phones
„ Package
Package Name
SOT-23-5
Package
MP005-A
Drawing Code
Tape
MP005-A
Reel
MP005-A
Seiko Instruments Inc.
1
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S-1111 Даташит, Описание, Даташиты
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1111/1121 Series
Rev.4.1_00
„ Block Diagram
www.datasheet4u.cVomIN
*1
VOUT
Overcurrent
protector
ON/OFF
ON/OFF
circuit
+
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
2 Seiko Instruments Inc.
--------------------------------------------

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S-1111 Даташит, Описание, Даташиты
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.1_00
S-1111/1121 Series
„ Product Name Structure
The product types and output voltage for the S-1111/1121 Series can be selected at the user’s request.
Refer to the “Product name” for the meanings of the characters in the product name and “Product name
www.datasheelits4tu.cfomr the full product names.
1. Product name (S-1111 Series)
S-1111 x
xx MC – xxx
TF G
IC direction in tape specifications*1
Product name (abbreviation)*2
Package name (abbreviation)
MC: SOT-23-5
Output voltage
15 to 55
(e.g., when the output voltage is 1.5 V,
it is expressed as 15.)
Product type*3
A: ON/OFF pin negative logic
B: ON/OFF pin positive logic
*1. Refer to the taping specifications at the end of this book.
*2. Refer to the “Product name list”.
*3. Refer to 3. Shutdown (ON/OFF pin) in the “Operation”.
Seiko Instruments Inc.
3
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