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S-1206 Datasheet PDF Download - Seiko Instruments

Номер произв S-1206
Описание ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Производители Seiko Instruments
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S-1206 Даташит, Описание, Даташиты
Rev.1.1_00
ULTRA LOW CURRENT CONSUMPTION
AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1206
Series
The S-1206 Series is a positive voltage regulator with ultra low current
consumption, low dropout voltage, high output voltage accuracy, and 250
mA output current developed based on CMOS technology.
I/O capacitors are as small as 0.1 µF. S-1206 Series operates at ultra
low current consumption of 1.0 µA (typ.).
The built-in low-on-resistance transistor realizes low dropout voltage and
high output current. A built-in overcurrent protection circuit prevents the
load current from exceeding the current capacitance of the output
transistor.
Three packages, SOT-23-3, SOT-89-3, and SNT-6A(H), are available.
Compared with voltage regulators using a conventional CMOS process,
more types of capacitors, including small I/O capacitors, can be used with
the S-1206 Series. The S-1206 Series features ultra-low current
consumption and comes in a small package, making them most suitable
for portable equipment.
„ Features
Output voltage :
1.2 to 5.2 V, selectable in 0.05 V steps.
Low equivalent series resistance capacitor can be used : A ceramic capacitor of 0.1 µF or more can be used for the I/O
capacitor.
Wide input voltage range :
1.7 to 6.5 V
High-accuracy output voltage :
±1.0% (1.2 to 1.45 V output product : ±15 mV)
Low dropout voltage :
Low current consumption :
150 mV typ. (3.0 V output product, at IOUT = 100 mA)
During operation : 1.0 µA typ., 1.5 µA max.
High output current :
Built-in overcurrent protection circuit :
250 mA output is possible. (3.0 V output product, at VIN
VOUT(S) + 1.0 V)*1
Overcurrent of output transistor can be restricted.
Small package :
SOT-23-3, SOT-89-3, SNT-6A(H)
www.DataSLheeeatd4-Ufr.ceoemproducts
*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
Constant-voltage power supply for cellular phones
Constant-voltage power supply for portable equipments
„ Packages
Package Name
SOT-23-3
SOT-89-3
SNT-6A(H)
Package
MP003-Z
UP003-A
PI006-A
Drawing Code
Tape
Reel
MP003-Z
MP003-Z
UP003-A
UP003-A
PI006-A
PI006-A
Land
PI006-A
Seiko Instruments Inc.
1
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S-1206 Даташит, Описание, Даташиты
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1206 Series
Rev.1.1_00
„ Block Diagram
VIN
*1
VOUT
Overcurrent
protection circuit
Reference
voltage circuit
+
VSS
*1. Parasitic diode
Figure 1
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2 Seiko Instruments Inc.
--------------------------------------------

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S-1206 Даташит, Описание, Даташиты
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_00
S-1206 Series
„ Product Name Structure
The output voltage value and package types for the S-1206 Series can be selected at the user’s request. Refer to “1.
Product Name” for the construction of the product name and “2. Product Name List” for the full product names.
1. Product Name
S-1206 B xx - xxxx G
Package name (abbreviation) and packing specifications*1
M3T1 : SOT-23-3, Tape
U3T1 : SOT-89-3, Tape
I6T2 : SNT-6A(H), Tape
Output voltage value
12 to 52
(e.g. When output voltage is 1.2 V, it is expressed as 12.)
*1. Refer to the taping specifications.
www.DataSheet4U.com
Seiko Instruments Inc.
3
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