S-1701 Datasheet PDF - SII Semiconductor

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S-1701
SII Semiconductor

Part Number S-1701
Description HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Page 30 Pages


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S-1701 Series
www.sii-ic.com
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
© SII Semiconductor Corporation, 2004-2015
Rev.3.1_01
The S-1701 Series, developed based on CMOS technology, is a voltage regulator with a reset function and integrates a
high-accuracy voltage detector with on-chip delay circuit and a positive voltage regulator with a low dropout voltage and high
output voltage on one chip.
The S-1701 Series is available in many types according to the selection of the voltage detector block of the voltage detector,
including a SENSE pin input product. A built-in low on-resistance transistor provides a low dropout voltage and large output
current.
Small ceramic capacitors are available and an external capacitor for delay is needless. Small SOT-23-5 and SOT-89-5
packages realize high-density mounting.
Features
Regulator block
Output voltage:
Input voltage:
Output voltage accuracy:
Current consumption
Output current:
Input and output capacitors:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in ON/OFF circuit:
1.5 V to 5.0 V, selectable in 0.1 V step
2.0 V to 6.5 V
±1.0%
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 400 mA (VIN VOUT(S) + 2.0 V)*1
A ceramic capacitor of 1.0 μF or more can be used.
70 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Ensures long battery life.
Detector block
Detection voltage:
1.5 V to 5.5 V, selectable in 0.1 V step
Detection voltage accuracy:
±1.0%
Input voltage:
0.8 V to 6.5 V
Output mode:
Nch open-drain active low output
No need of an external capacitor for delay
Three delay time settings:
No delay (60 μs), 50 ms, 100 ms
Whole regulator
Current consumption
Operation temperature range:
Lead-free, Sn 100%, halogen-free*2
During operation: 85 μA typ.
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 and reset circuit for battery-powered device
Constant-voltage power supply for personal communication device
Constant-voltage power supply for home appliance
Packages
SOT-23-5
SOT-89-5
1

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