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S-1741G35-A6T2U4 Datasheet(PDF) 1 Page - Seiko Instruments Inc

Part # S-1741G35-A6T2U4
Description  POWER MONITORING OUTPUT
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-1741G35-A6T2U4 Datasheet(HTML) 1 Page - Seiko Instruments Inc

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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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