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Seiko Instruments Electronic Components Datasheet


S-1003

HIGH-ACCURACY VOLTAGE DETECTOR


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S-1003 pdf
S-1003 Series
www.sii-ic.com
© Seiko Instruments Inc., 2013
MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
HIGH-ACCURACY VOLTAGE DETECTOR
Rev.1.0_00
The S-1003 Series is a high-accuracy voltage detector developed using CMOS technology. The detection voltage is fixed
internally with an accuracy of ±1.0% (VDET 2.2 V). It operates with current consumption of 500 nA typ.
The release signal can be delayed by setting a capacitor externally. Delay time accuracy is ±15%.
Moreover, since the S-1003 Series includes the manual reset function, the reset signal can be also output forcibly.
Two output forms Nch open-drain output and CMOS output are available.
„ Features
Detection voltage:
Detection voltage accuracy:
Current consumption:
Operation voltage range:
Hysteresis width:
Manual reset function:
Delay time accuracy:
Output form:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
1.2 V to 5.0 V (0.1 V step)
±1.0% (2.2 V ≤ −VDET 5.0 V)
±22 mV (1.2 V ≤ −VDET < 2.2 V)
500 nA typ.
0.95 V to 10.0 V
5% ± 2%
MR pin logic active "L", active "H"
±15% (CD = 4.7 nF)
Nch open-drain output (Active "L")
CMOS output (Active "L")
Ta = 40°C to +85°C
„ Applications
Power supply monitor for microcomputer and reset for CPU
Constant voltage power supply monitor for TV, Blu-ray recorder and home appliance
Power supply monitor for portable devices such as notebook PC, digital still camera and mobile phone
„ Packages
SOT-23-5
SNT-6A
Seiko Instruments Inc.
1



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S-1003 pdf
MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) HIGH-ACCURACY VOLTAGE DETECTOR
S-1003 Series
Rev.1.0_00
„ Block Diagrams
1. Nch open-drain output product (S-1003NAxxI)
VDD
*1
VREF
+
VSS
*1
Delay
circuit
MR
*1 circuit
*1
OUT
*1
Function
Status
Output logic Active "L"
MR pin logic Active "L"
MR CD
*1. Parasitic diode
Figure 1
2. Nch open-drain output product (S-1003NBxxI)
VDD
*1
VREF
+
VSS
*1
Delay
circuit
MR
circuit
*1
*1
OUT
*1
Function
Status
Output logic Active "L"
MR pin logic Active "H"
MR CD
*1. Parasitic diode
Figure 2
2 Seiko Instruments Inc.



Part Number S-1003
Description HIGH-ACCURACY VOLTAGE DETECTOR
Maker Seiko Instruments - Seiko Instruments
Total Page 30 Pages
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