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PDF S-1206 Data sheet ( Hoja de datos )

Número de pieza S-1206
Descripción ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Fabricantes Seiko Instruments 
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No Preview Available ! S-1206 Hoja de datos, Descripción, Manual

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

1 page




S-1206 pdf
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_00
S-1206 Series
„ Pin Configurations
SOT-23-3
Top view
1
Pin No.
1
2
3
Table 2
Symbol
VIN
VSS
VOUT
Description
Input voltage pin
GND pin
Output voltage pin
23
Figure 2
SOT-89-3
Top view
123
Figure 3
SNT-6A(H)
Top view
1
2
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6
5
4
Figure 4
Pin No.
1
2
3
Symbol
VSS
VIN
VOUT
Table 3
Description
GND pin
Input voltage pin
Output voltage pin
Table 4
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2 VIN Input voltage pin
3
VSS
GND pin
4
NC*1
No connection
5 VIN Input voltage pin
6
NC*1
No connection
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Seiko Instruments Inc.
5

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S-1206 arduino
ULTRA LOW CURRENT CONSUMPTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.1_00
S-1206 Series
7. Temperature Coefficient of Output Voltage

VOUT
Ta VOUT

The shadowed area in Figure 10 is the range where VOUT varies in the operating temperature range when the
temperature coefficient of the output voltage is ±120 ppm/°C.
VOUT [V]
e.g. S-1206B30 Typ.
+0.36 mV/°C
VOUT(E)*1
0.36 mV/°C
40 25
85 Ta [°C]
*1. VOUT(E) is the value of the output voltage measured at 25°C.
Figure 10
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
[ ] [ ] [ ]VOUT
Ta
mV/°C
= V*1
OUT(S)
V
*2 ×
VOUT
Ta VOUT
ppm/°C *3 ÷ 1000
*1. The temperature change ratio of the output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
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Seiko Instruments Inc.
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