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S-1004 Datasheet PDF

Part Number S-1004
Description VOLTAGE DETECTOR
Manufacture Seiko Instruments
Total Page 30 Pages
PDF Download Download S-1004 Datasheet PDF

Features: Datasheet pdf S-1004 Series www.sii-ic.com © Seiko I nstruments Inc., 2014 BUILT-IN DELAY C IRCUIT (EXTERNAL DELAY TIME SETTING) VO LTAGE DETECTOR WITH SENSE PIN Rev.2.1_0 0 The S-1004 Series is a high-accuracy voltage detector developed using CMOS technology. The detection voltage is fi xed internally with an accuracy of ±1. 0% (−VDET(S) ≥ 2.2 V). It operates with current consumption of 500 nA typ. Apart from the power supply pin, the d etection voltage input pin (SENSE pin) is also prepared, so the output is stab le even if the SENSE pin falls to 0 V. The release signal can be delayed by se tting a capacitor externally, and the r elease delay time accuracy at Ta = +25 C is ±15%. Two output forms Nch open- drain output and CMOS output are availa ble.  Features • Detection volta ge: 1.0 V to 5.0 V (0.1 V step) • D etection voltage accuracy: ±1.0% (2.2 V ≤ −VDET(S) ≤ 5.0 V) ±22 mV ( 1.0 V ≤ −VDET(S) < 2.2 V) • Curr ent consumption: 500 nA typ. • Operation voltage range: 0.95 V to 10.0 V • Hysteresis w.

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S-1004 datasheet
S-1004 Series
www.sii-ic.com
© Seiko Instruments Inc., 2014
BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
VOLTAGE DETECTOR WITH SENSE PIN
Rev.2.1_00
The S-1004 Series is a high-accuracy voltage detector developed using CMOS technology. The detection voltage is fixed
internally with an accuracy of ±1.0% (VDET(S) 2.2 V). It operates with current consumption of 500 nA typ.
Apart from the power supply pin, the detection voltage input pin (SENSE pin) is also prepared, so the output is stable even
if the SENSE pin falls to 0 V.
The release signal can be delayed by setting a capacitor externally, and the release delay time accuracy at Ta = +25°C is
±15%.
Two output forms Nch open-drain output and CMOS output are available.
Features
Detection voltage:
1.0 V to 5.0 V (0.1 V step)
Detection voltage accuracy:
±1.0% (2.2 V ≤ −VDET(S) 5.0 V)
±22 mV (1.0 V ≤ −VDET(S) < 2.2 V)
Current consumption:
500 nA typ.
Operation voltage range:
0.95 V to 10.0 V
Hysteresis width:
5% ± 2%
Release delay time accuracy: ±15% (CD = 4.7 nF, Ta = +25°C)
Output form:
Nch open-drain output (Active "L")
CMOS output (Active "L")
Operation temperature range: Ta = 40°C to +85°C
Lead-free (Sn 100%), halogen-free
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

S-1004 datasheet
BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR WITH SENSE PIN
S-1004 Series
Rev.2.1_00
Block Diagrams
1. S-1004 Series NA / NB type (Nch open-drain output)
SENSE
VDD
Function
Status
Output logic Active "L"
VSS
+
*1 *1
VREF
Delay
circuit
*1
OUT
*1
*1. Parasitic diode
CD
Figure 1
2. S-1004 Series CA / CB type (CMOS output)
SENSE
VDD
VSS
+
*1 *1
VREF
Delay
circuit
*1
Function
Status
Output logic Active "L"
*1
OUT
*1
*1. Parasitic diode
CD
Figure 2
2 Seiko Instruments Inc.





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