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S-1142B Datasheet

OPERATION CMOS VOLTAGE REGULATOR

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S-1142B pdf
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


Seiko Instruments Electronic Components Datasheet

S-1142B Datasheet

OPERATION CMOS VOLTAGE REGULATOR

No Preview Available !

S-1142B pdf
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
2


Part Number S-1142B
Description OPERATION CMOS VOLTAGE REGULATOR
Maker Seiko Instruments
Total Page 30 Pages
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