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S-801

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR



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S-801 pdf
S-801 Series
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
www.sii-ic.com
WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
© Seiko Instruments Inc., 2000-2015
Rev.4.1_00
The S-801 Series is a series of high-precision voltage detectors with a built-in delay time generator of fixed time
developed using CMOS process. The detection voltage is fixed internally, with an accuracy of ±2.0 %. Internal
oscillator and counter timer can delay the release signal without external parts. Three delay times 50 ms, 100 ms,
and 200 ms are available. Two output forms, Nch open-drain and CMOS output, are available.
Features
Ultra-low current consumption
1.3 μA typ. (at VDD=3.5 V)
High-precision detection voltage ±2.0 %
Hysteresis characteristics
60 mV typ.
Detection voltage
2.2 V to 6.0 V (0.1 V step)
Three delay times
A type 50 ms typ.
B type 100 ms typ.
C type 200 ms typ.
ON/OFF switching function of delay time (DS pin)
Operating voltage range
0.95 V to 10.0 V
Output forms
Nch open-drain output (Active Low)
CMOS output (Active Low)
Lead-free, Sn 100%, halogen-free*1
*1. Refer to “Product Name Structure” for details.
Applications
Power monitor for portable equipment such as notebook computers, digital still cameras, PDA, and
cellular phones.
Constant voltage power monitor for cameras, video equipment and communication devices.
Power monitor for microcomputers and reset for CPUs.
Packages
SOT-23-5
SNT-4A
Seiko Instruments Inc.
1



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S-801 pdf
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
S-801 Series
Rev.4.1_00
Block Diagrams
1. Nch Open-drain Output Products
VDD
VSS
*1
VREF
Delay circuit
+ Oscillator
counter
timer
*1
*1. Parasitic diode
DS
Figure 1
2. CMOS Output Products
VDD
VSS
*1
VREF
Delay circuit
+
Oscillator
counter
timer
*1
*1. Parasitic diode
DS
Figure 2
OUT
*1
*1
OUT
*1
2 Seiko Instruments Inc.



Part Number S-801
Description ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
Maker Seiko Instruments - Seiko Instruments
Total Page 30 Pages
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