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S-1155 Datasheet PDF

Part Number S-1155
Description CMOS VOLTAGE REGULATOR
Manufacture ABLIC
Total Page 28 Pages
PDF Download Download S-1155 Datasheet PDF

Features: Datasheet pdf S-1155 Series www.ablicinc.com © ABLIC Inc., 2007-2015 HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS V OLTAGE REGULATOR Rev.2.1_03 The S-1155 Series, developed by using CMOS techno logy, is a positive voltage regulator w ith a super low dropout voltage, high-a ccuracy output voltage and low current consumption. The S-1155 Series provides the very low dropout voltage and the l arge output current due to the built-in transistor with low on-resistance. The S-1155 Series includes an overcurrent protection circuit that prevents the lo ad current from exceeding the current c apacitance of the output transistor, a thermal shutdown circuit that prevents damage due to overheating, and an inrus h current limit circuit to limit the ex cessive inrush current generated at pow er-on. The ON/OFF circuit ensures longe r battery life. Compared with the volta ge regulators using the conventional CM OS technology, a large variety of capac itors are available, including small ceramic capacitors The sma.

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S-1155 datasheet
S-1155 Series
www.ablicinc.com
© ABLIC Inc., 2007-2015
HIGH RIPPLE-REJECTION LOW DROPOUT
HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1_03
The S-1155 Series, developed by using CMOS technology, is a positive voltage regulator with a super low dropout voltage,
high-accuracy output voltage and low current consumption.
The S-1155 Series provides the very low dropout voltage and the large output current due to the built-in transistor with low
on-resistance. The S-1155 Series includes an overcurrent protection circuit that prevents the load current from exceeding
the current capacitance of the output transistor, a thermal shutdown circuit that prevents damage due to overheating, and
an inrush current limit circuit to limit the excessive inrush current generated at power-on.
The ON/OFF circuit ensures longer battery life. Compared with the voltage regulators using the conventional CMOS
technology, a large variety of capacitors are available, including small ceramic capacitors
The small package SOT-89-5 realizes high-density mounting.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in inrush current limit circuit:
Built-in ON/OFF circuit:
Operation temperature range:
Lead-free, Sn 100%, halogen-free*2
1.0 V to 5.0 V, selectable in 0.05 V step
1.5 V to 5.5 V
1.0% (1.0 V to 1.45 V output product: 15 mV)
70 mV typ. (3.0 V output product, IOUT = 200 mA)
During operation: 70 A typ., 90 A max. (3.0 V output product)
During power-off: 0.1 A typ., 1.0 A max.
Possible to output 500 mA (3.0 V output product, VIN VOUT(S) 1.0 V)*1
A ceramic capacitor of 4.7 F or more can be used.
70 dB typ. (1.0 V output product, f = 1.0 kHz)
Limits overcurrent of output transistor.
Prevents damage caused by heat.
Limits excessive inrush current at power-on.
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 battery-powered device
Constant-voltage power supply for TV, notebook PC and home electric appliance
Constant-voltage power supply for portable equipment
Package
SOT-89-5
1

S-1155 datasheet
HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1155 Series
Block Diagram
*1
VIN
Overcurrent
protection circuit
Thermal shutdown circuit
ON/OFF
ON/OFF circuit
Reference
voltage circuit
VSS
*1. Parasitic diode
Figure 1
Rev.2.1_03
VOUT
2





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