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S-1701A3430-M5T1G

Description
ldo voltage regulators combo volt detct/reg 85ua Iq 400ma iout
Categorysemiconductor    Other integrated circuit (IC)   
File Size622KB,72 Pages
ManufacturerSeiko
Environmental Compliance
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S-1701A3430-M5T1G Overview

ldo voltage regulators combo volt detct/reg 85ua Iq 400ma iout

S-1701 Series
www.sii-ic.com
© Seiko Instruments Inc., 2004-2010
HIGH RIPPLE-REJECTION LOW DROPOUT
CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.3.0
_00
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:
High-accuracy output voltage:
High peak current capability:
Built-in ON/OFF circuit:
Low ESR capacitor can be used:
High ripple rejection:
Built-in overcurrent protector:
Operating voltage range:
1.5 V to 5.0 V, selectable in 0.1 V steps.
±1.0%
400 mA output is possible (at V
IN
V
OUT(S)
+
2.0 V)
*1
Ensures long battery life.
During power-off: 0.1
μA
typ., 1.0
μA
max.
A ceramic capacitor of 1.0
μF
or more can be used for the output
capacitor.
70 dB typ. (at 1.0 kHz)
Overcurrent of output transistor can be restricted.
2.0 V to 6.5 V
Detector block
Output voltage:
1.5 V to 5.5 V, selectable in 0.1 V steps.
High-accuracy output voltage:
±1.0%
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
Operating voltage range:
0.8 V to 6.5 V
Whole regulator
Low current consumption
*2
Lead-free, Sn 100%, halogen-free
During operation: 85
μA
typ.
*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
Power supply and reset circuit for battery-powered devices
Power supply for personal communication devices
Power supply for home appliances
Packages
SOT-23-5
SOT-89-5
Seiko Instruments Inc.
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