S-1142A Datasheet PDF - Seiko Instruments

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S-1142A
Seiko Instruments

Part Number S-1142A
Description OPERATION CMOS VOLTAGE REGULATOR
Page 30 Pages


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S-1142A/BxxH Series
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION
www.sii-ic.com
LOW DROPOUT 105°C OPERATION CMOS VOLTAGE REGULATOR
© SII Semiconductor Corporation, 2012-2014
Rev.2.2_01
The S-1142A/BxxH 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/BxxH Series operates at a high maximum operating voltage of 50 V and a low current consumption of 4.0 μA
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.
Caution Before using the product in automobile control unit or medical equipment, contact to SII
Semiconductor Corporation is indispensable.
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 = +25°C)
±3.0% (Tj = 40°C to +105°C)
During operation: 4.0 μA typ., 9.0 μA max. (Ta = 40°C to +105°C)
During power-off: 0.1 μA typ., 2.5 μA max. (Ta = 40°C to +105°C)
Possible to output 200 mA (VIN VOUT(S) + 2.0 V)*1
A ceramic capacitor of 0.1 μF or more can be used.
Limits overcurrent of output transistor.
Prevents damage caused by heat.
Ensures long battery life.
Ta = 40°C to +105°C
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Applications
Constant-voltage power supply for electrical application for vehicle interior
Constant-voltage power supply for home electric appliance
Package
HSOP-6
1



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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT 105°C OPERATION CMOS VOLTAGE REGULATOR
S-1142A/BxxH Series
Rev.2.2_01
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 105°C OPERATION CMOS VOLTAGE REGULATOR
Rev.2.2_01
S-1142A/BxxH Series
Product Name Structure
Users can select the product type and output voltage for the S-1142A/BxxH 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 H - E6T2 U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
E6T2: HSOP-6, Tape
Operation temperature
H: Ta = 40°C to +105°C
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/BxxH Series has some influences, consider to use the S-1142C/DxxH
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
Reel
FH006-A-C-SD
FH006-A-R-SD
Land
FH006-A-L-SD
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT 105°C OPERATION CMOS VOLTAGE REGULATOR
S-1142A/BxxH Series
Rev.2.2_01
3. Product name list
3. 1 S-1142 Series A type
Table 2
Output Voltage
HSOP-6
3.3 V ± 1.0%
5.0 V ± 1.0%
S-1142A33H-E6T2U
S-1142A50H-E6T2U
12.0 V ± 1.0%
S-1142AC0H-E6T2U
Remark Please contact our sales office for products with specifications other than the above.
3. 2 S-1142 Series B type
Table 3
Output Voltage
HSOP-6
2.0 V ± 1.0%
S-1142B20H-E6T2U
2.5 V ± 1.0%
S-1142B25H-E6T2U
2.7 V ± 1.0%
S-1142B27H-E6T2U
2.8 V ± 1.0%
S-1142B28H-E6T2U
2.85 V ± 1.0%
S-1142B2JH-E6T2U
3.0 V ± 1.0%
S-1142B30H-E6T2U
3.2 V ± 1.0%
S-1142B32H-E6T2U
3.3 V ± 1.0%
S-1142B33H-E6T2U
3.5 V ± 1.0%
S-1142B35H-E6T2U
3.7 V ± 1.0%
S-1142B37H-E6T2U
4.0 V ± 1.0%
S-1142B40H-E6T2U
5.0 V ± 1.0%
S-1142B50H-E6T2U
8.0 V ± 1.0%
S-1142B80H-E6T2U
12.5 V ± 1.0%
S-1142BC5H-E6T2U
15.0 V ± 1.0%
S-1142BF0H-E6T2U
Remark Please contact our sales office for products with specifications other than the above.
4



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