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S-1741 Dataheets PDF



Part Number S-1741
Manufacturers SII Semiconductor
Logo SII Semiconductor
Description 100 mA CMOS VOLTAGE REGULATOR
Datasheet S-1741 DatasheetS-1741 Datasheet (PDF)

S-1740/1741 Series www.ablic.com www.ablicinc.com © ABLIC Inc., 2016-2018 5.5 V INPUT, 100 mA VOLTAGE REGULATOR WITH SUPPLY VOLTAGE DIVIDED OUTPUT Rev.1.3_00 The S-1740/1741 Series, developed using CMOS technology, is a positive voltage regulator with the supply voltage divided output, which features super low current consumption and low dropout voltage. The regulator block has low current consumption of 0.35 μA typ. and high-accuracy output voltage of ±1.0%. The function of the supply voltag.

  S-1741   S-1741



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S-1740/1741 Series www.ablic.com www.ablicinc.com © ABLIC Inc., 2016-2018 5.5 V INPUT, 100 mA VOLTAGE REGULATOR WITH SUPPLY VOLTAGE DIVIDED OUTPUT Rev.1.3_00 The S-1740/1741 Series, developed using CMOS technology, is a positive voltage regulator with the supply voltage divided output, which features super low current consumption and low dropout voltage. The regulator block has low current consumption of 0.35 μA typ. and high-accuracy output voltage of ±1.0%. The function of the supply voltage divided output is prepared in the S-1740/1741 Series. The supply voltage divided output is a function that divides the input voltage (VIN) of the regulator into VIN/2 or VIN/3 and outputs the voltage. For example, this function makes it possible that the IC connects to a low voltage microcontroller A/D converter directly and the microcontroller monitors a battery voltage.  Features Regulator block • Output voltage: • Input voltage: • Output voltage accuracy: • Dropout voltage: • Current consumption during operation: • Output current: • Input capacitor: • Output capacitor: • Built-in overcurrent protection circuit: VOUT = 1.0 V to 3.5 V, selectable in 0.05 V step VIN = 1.5 V to 5.5 V ±1.0% (1.0 V to 1.45 V output product: ±15 mV) (Ta = +25°C) 20 mV typ. (2.5 V output product, at IOUT = 10 mA) (Ta = +25°C) ISS1 = 0.35 μA typ. (Ta = +25°C) Possible to output 100 mA ( at VIN ≥ VOUT(S) + 1.0 V)*1 A ceramic capacitor can be used. (1.0 μF or more) A ceramic capacitor can be used. (1.0 μF to 100 μF) Limits overcurrent of output transistor. Supply voltage divider block • Output voltage: • Current consumption during operation: • Output capacitor: • Built-in enable circuit: VPMOUT = VIN/2 (S-1740 Series) VPMOUT = VIN/3 (S-1741 Series) ISS1P = 0.15 μA typ. (Ta = +25°C) A ceramic capacitor can be used. (100 nF to 220 nF) Ensures long battery life. Overall • Operation temperature range: • Lead-free (Sn 100%), halogen-free Ta = −40°C to +85°C *1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.  Applications • Constant-voltage power supply and battery voltage monitoring support for battery-powered device • Constant-voltage power supply for portable communication device, digital camera, and digital audio player • Constant-voltage power supply for home electric appliance  Packages • SOT-23-5 • HSNT-6(1212) • HSNT-4(1010) 1 5.5 V INPUT, 100 mA VOLTAGE REGULATOR WITH SUPPLY VOLTAGE DIVIDED OUTPUT S-1740/1741 Series Rev.1.3_00  Block Diagram 1. S-1740/1741 Series A / C type (SOT-23-5, HSNT-6(1212)) VIN SW *1 Overcurrent protection circuit + − VOUT PMOUT PMEN VSS Enable circuit + − Reference voltage circuit Product Type S-1740 Series A type S-1740 Series C type S-1741 Series A type S-1741 Series C type *1. Parasitic diode Output Voltage (VPMOUT) VIN/2 VIN/3 PMEN Pin Logic Active "H" Active "L" Active "H" Active "L" Figure 1 2 5.5 V INPUT, 100 mA VOLTAGE REGULATOR WITH SUPPLY VOLT.


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