S-1003 Datasheet PDF - Seiko Instruments

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S-1003
Seiko Instruments

Part Number S-1003
Description HIGH-ACCURACY VOLTAGE DETECTOR
Page 30 Pages


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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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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
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MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) HIGH-ACCURACY VOLTAGE DETECTOR
Rev.1.0_00
S-1003 Series
3. CMOS output product (S-1003CAxxI)
VDD
*1
VREF
+
VSS
*1. Parasitic diode
*1
Delay
circuit
MR
circuit
*1
*1
MR CD
Figure 3
Function
Status
Output logic Active "L"
*1 MR pin logic Active "L"
OUT
*1
4. CMOS output product (S-1003CBxxI)
VDD
*1
VREF
+
VSS
*1. Parasitic diode
*1
Delay
circuit
MR
circuit
*1
*1
MR CD
Figure 4
Function
Status
Output logic Active "L"
*1 MR pin logic Active "H"
OUT
*1
Seiko Instruments Inc.
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MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) HIGH-ACCURACY VOLTAGE DETECTOR
S-1003 Series
Rev.1.0_00
„ Product Name Structure
Users can select the output form, MR pin logic, detection voltage value, and package type for the S-1003 Series. Refer
to "1. Product name" regarding the contents of product name, "2. Product type list" regarding the product types,
"3. Packages" regarding the package drawings and "4. Product name list" regarding details of product name.
1. Product name
S-1003 x x xx I - xxxx U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
M5T1: SOT-23-5, Tape
I6T1: SNT-6A, Tape
Operation temperature
I: Ta = 40°C to +85°C
Detection voltage value
12 to 50
(e.g., when the detection voltage is 1.2 V, it is expressed as 12.)
MR pin logic*2
A: Active "L"
B: Active "H"
Output form*2
N: Nch open-drain output (Active "L")*3
C: CMOS output (Active "L")*3
*1. Refer to the tape drawing.
*2. Refer to "2. Product type list".
*3. If you request the product with output logic active "H", contact our sales office.
2. Product type list
Product Type
NA
NB
CA
CB
Table 1
Output Form
Nch open-drain output
CMOS output
MR Pin Logic
Active "L"
Active "H"
Active "L"
Active "H"
Output Logic
Active "L"
Active "L"
Active "L"
Active "L"
3. Packages
Package Name
SOT-23-5
SNT-6A
Table 2 Package Drawing Codes
Dimension
MP005-A-P-SD
PG006-A-P-SD
Tape
MP005-A-C-SD
PG006-A-C-SD
Reel
MP005-A-R-SD
PG006-A-R-SD
Land
PG006-A-L-SD
4 Seiko Instruments Inc.



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