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S-1741G35-A6T2U4 Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-1741G35-A6T2U4 Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 47 page S-1740/1741 Series POWER MONITORING OUTPUT, 5.5 V INPUT, 100 mA CMOS VOLTAGE REGULATOR WITH 0.5 μA SUPER LOW CURRENT CONSUMPTION www.sii-ic.com © SII Semiconductor Corporation, 2016 Rev.1.1_00 1 The S-1740/1741 Series, developed using CMOS technology, is a positive voltage regulator with a power monitoring 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 power monitoring output is prepared in the S-1740/1741 Series. The power monitoring 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: VOUT = 1.0 V to 3.5 V, selectable in 0.05 V step • Input voltage: VIN = 1.5 V to 5.5 V • Output voltage accuracy: ±1.0% (1.0 V to 1.45 V output product: ±15 mV) (Ta = +25°C) • Dropout voltage: 20 mV typ. (2.5 V output product, at IOUT = 10 mA) (Ta = +25°C) • Current consumption during operation: ISS1 = 0.35 μA typ. (Ta = +25°C) • Output current: Possible to output 100 mA ( at VIN ≥ VOUT(S) + 1.0 V) *1 • Input capacitor: A ceramic capacitor can be used. (1.0 μF or more) • Output capacitor: A ceramic capacitor can be used. (1.0 μF to 100 μF) • Built-in overcurrent protection circuit: Limits overcurrent of output transistor. Power monitor block • Output voltage: VPMOUT = VIN/2 (S-1740 Series) VPMOUT = VIN/3 (S-1741 Series) • Current consumption during operation: ISS1P = 0.15 μA typ. (Ta = +25°C) • Output capacitor: A ceramic capacitor can be used. (100 nF to 220 nF) • Built-in enable circuit: Ensures long battery life. Overall • Operation temperature range: Ta = −40°C to +85°C • Lead-free (Sn 100%), halogen-free *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) |
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