S-1131 Datasheet PDF - ABLIC


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S-1131
ABLIC

Part Number S-1131
Description CMOS VOLTAGE REGULATOR
Page 30 Pages

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S-1131 Series
www.ablicinc.com
© ABLIC Inc., 2002-2014
HIGH RIPPLE-REJECTION AND LOW DROPOUT
MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.4.1_02
The S-1131 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 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:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
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%
250 mV typ. (3.0 V output product, IOUT = 100 mA)
During operation: 35 A typ., 65 A max.
During power-off: 0.1 A typ., 1.0 A max.
Possible to output 300 mA (VIN VOUT(S) 1.0 V)*1
70 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 DVD and CD-ROM drive
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for personal communication device
Constant-voltage power supply for note book PC
Packages
SOT-89-3
SOT-89-5
6-Pin HSON(A)
1



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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1131 Series
Rev.4.1_02
Block Diagrams
(1) Without ON/OFF circuit (Package: SOT-89-3)
VIN
*1
VOUT
Overcurrent
protection circuit
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
(2) With ON/OFF circuit (Package: SOT-89-5, 6-Pin HSON(A))
*1
VIN
Overcurrent
protection circuit
VOUT
ON/OFF
ON/OFF
circuit
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 2
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.4.1_02
S-1131 Series
Product Name Structure
Users can select the product type, output voltage, and package type for the S-1131 Series. Refer to “1.
Product name” regarding the contents of product name, “2. Packages” regarding the package
drawings, “3. Product name list” regarding details of the product name.
1. Product name
(1) SOT-89-3, SOT-89-5
S-1131 x xx xx - xxx TF x
Environmental code
U: Lead-free (Sn 100%), halogen-free
G: Lead-free (for details, please contact our sales office)
IC direction in tape specifications*1
Product name (abbreviation)*2
Package name (abbreviation)
UA: SOT-89-3
UC: SOT-89-5
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 tape drawing.
*2. Refer to the product name list.
*3. Refer to “3. ON/OFF pin” in “Operation” (Expect SOT-89-3).
3



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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1131 Series
Rev.4.1_02
(2) 6-Pin HSON(A)
S-1131 x xx PD - xxx TF x
Environmental code
S: Lead-free, halogen-free
G: Lead-free (for details, please contact our sales office)
IC direction in tape specifications*1
Product name (abbreviation)*2
Package name (abbreviation)
PD: 6-Pin HSON(A)
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 tape drawing.
*2. Refer to the product name list.
*3. Refer to “3. ON/OFF pin” in “Operation
2. Packages
Package Name
SOT-89-3
SOT-89-5
6-Pin HSON(A)
Package
UP003-A-P-SD
UP005-A-P-SD
PD006-A-P-SD
Drawing Code
Tape
UP003-A-C-SD
UP005-A-C-SD
PD006-A-C-SD
Reel
UP003-A-R-SD
UP005-A-R-SD
PD006-A-R-SD
4




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