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S-1142A/B Series
www.ablicinc.com
© ABLIC Inc., 2009-2014
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
The S-1142A/B Series, developed by using high-withstand voltage CMOS technology, is a positive voltage regulator with a
high-withstand voltage, low current consumption, and high-accuracy output voltage.
The S-1142A/B Series operates at a high maximum operating voltage of 50 V and a low current consumption of 4.0 A typ.
In addition to a built-in low on-resistance transistor which provides a very small dropout voltage and a large output current,
this voltage regulator also has a built-in ON / OFF circuit.
An overcurrent protection circuit prevents the load current from exceeding the capacitance of the output transistor, and a
built-in thermal shutdown circuit prevents damage caused by heat.
A high heat radiation HSOP-6 package enables high-density mounting.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Current consumption:
Output current:
Input and output capacitors:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in ON / OFF circuit:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
2.0 V to 15.0 V, selectable in 0.1 V step
3.0 V to 50 V
1.0% (Tj =25C)
3.0% (Tj = 40C to 105C)
During operation: 4.0 A typ., 9.0 A max. (Ta = 40C to 85C)
During power-off: 0.1 A typ., 1.0 A max. (Ta = 40C to 85C)
Possible to output 200 mA (VIN VOUT(S) 2.0 V)*1
A ceramic capacitor of 0.1 F or more can be used.
Limits overcurrent of output transistor.
Prevents damage caused by heat.
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.
Application
Constant-voltage power supply for home electric appliance
Package
HSOP-6
1

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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1142A/B Series
Rev.4.2_02
Block Diagram
*1
VIN
Overcurrent
protection circuit
Thermal shutdown circuit
VOUT
ON / OFF
ON / OFF circuit


Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Product Name Structure
Users can select the product type and output voltage for the S-1142A/B Series. Refer to "1. Product name"
regarding the contents of product name, "2. Package" regarding the package drawings and "3. Product name list"
for details of product names.
1. Product name
S-1142 x xx I - E6T1 U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
E6T1: HSOP-6, Tape
Operation temperature
I: Ta = 40C to 85C
Output voltage
20 to F0
(e.g., when the output voltage is 2.0 V, it is expressed as 20.
when the output voltage is 10 V, it is expressed as A0.
when the output voltage is 11 V, it is expressed as B0.
when the output voltage is 12 V, it is expressed as C0.
when the output voltage is 15 V, it is expressed as F0.)
Product type*2
A: ON / OFF pin negative logic
B: ON / OFF pin positive logic
*1. Refer to the tape drawing.
*2. Refer to "3. ON / OFF pin" in "Operation".
Remark When overshoot of the S-1142A/B Series has some influences, consider to use the S-1142C/D Series.
Refer to "6. Overshoot of output voltage" in "Operation" regarding details of overshoot.
2. Package
Package Name
HSOP-6
Table 1
Dimension
FH006-A-P-SD
Package Drawing Codes
Tape
FH006-A-C-SD
Reel
FH006-A-R-SD
Land
FH006-A-L-SD
3

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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1142A/B Series
Rev.4.2_02
3. Product name list
Remark
Table 2
Output Voltage
HSOP-6
2.0 V 1.0%
2.5 V 1.0%
2.7 V 1.0%
2.8 V 1.0%
2.85 V 1.0%
3.0 V 1.0%
3.2 V 1.0%
3.3 V 1.0%
3.5 V 1.0%
3.7 V 1.0%
4.0 V 1.0%
5.0 V 1.0%
8.0 V 1.0%
12.0 V 1.0%
12.5 V 1.0%
15.0 V 1.0%
S-1142B20I-E6T1U
S-1142B25I-E6T1U
S-1142B27I-E6T1U
S-1142B28I-E6T1U
S-1142B2JI-E6T1U
S-1142B30I-E6T1U
S-1142B32I-E6T1U
S-1142B33I-E6T1U
S-1142B35I-E6T1U
S-1142B37I-E6T1U
S-1142B40I-E6T1U
S-1142B50I-E6T1U
S-1142B80I-E6T1U
S-1142BC0I-E6T1U
S-1142BC5I-E6T1U
S-1142BF0I-E6T1U
Please contact our sales office for products with an output voltage
other than those listed above or type A products.
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Pin Configuration
1. HSOP-6
Top view
654
123
Figure 2
Table 3
Pin No.
Symbol
Description
1 VOUT
Output voltage pin
2 VSS
GND pin
3
ON / OFF
ON / OFF pin
4 NC*1
No connection
5 VSS
GND pin
6 VIN
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to the VIN pin or the VSS pin.
5