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PDF S-1131 Data sheet ( Hoja de datos )

Número de pieza S-1131
Descripción HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Fabricantes Seiko Instruments 
Logotipo Seiko Instruments Logotipo



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No Preview Available ! S-1131 Hoja de datos, Descripción, Manual

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

1 page




S-1131 pdf
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_01
S-1131 Series
„ Pin Configuration
SOT-89-3
Top view
Pin No.
1
2
3
Table 2
Symbol
VOUT
VSS
VIN
Description
Output voltage pin
GND pin
Input voltage pin
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12 3
Figure 3
SOT-89-5
Top view
54
12 3
Figure 4
Table 3
Pin No.
1
2
3
4
5
Symbol
VOUT
VSS
NC*1
ON/OFF
VIN
Description
Output voltage pin
GND pin
No connection
Shutdown pin
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to VIN or VSS.
Seiko Instruments Inc.
5

5 Page





S-1131 arduino
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_01
S-1131 Series
6.
Temperature coefficient of
output
voltage

VOUT
Ta VOUT

The shadowed area in Figure 12 is the range where VOUT varies in the operating temperature range
when the temperature coefficient of the output voltage is ±100 ppm/°C.
Ex. S-1131B28 Typ.
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VOUT
[V]
+0.28 mV / °C
VOUT(E)1*1
0.28 mV / °C
40 25
85 Ta [°C]
*1. VOUT(E)1 is the value of the output voltage measured at 25°C.
Figure 12
A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.
[ ] [ ] [ ]VOUT
Ta
mV/°C *1 = VOUT(S) V
*2 ×
VOUT
Ta VOUT
ppm/°C
*3
÷ 1000
*1. Change in temperature of output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
Seiko Instruments Inc.
11

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