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PDF ( 数据手册 , 数据表 ) S-1003

零件编号 S-1003
描述 HIGH-ACCURACY VOLTAGE DETECTOR
制造商 Seiko Instruments
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S-1003 数据手册, 描述, 功能
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







S-1003 pdf, 数据表
MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) HIGH-ACCURACY VOLTAGE DETECTOR
S-1003 Series
Rev.1.0_00
4. 4 S-1003 Series CB type
Output form: CMOS output (Active "L")
MR pin logic: Active "H"
Detection Voltage
1.2 V ± 22 mV
1.3 V ± 22 mV
1.4 V ± 22 mV
1.5 V ± 22 mV
1.6 V ± 22 mV
1.7 V ± 22 mV
1.8 V ± 22 mV
1.9 V ± 22 mV
2.0 V ± 22 mV
2.1 V ± 22 mV
2.2 V ± 1.0%
2.3 V ± 1.0%
2.4 V ± 1.0%
2.5 V ± 1.0%
2.6 V ± 1.0%
2.7 V ± 1.0%
2.8 V ± 1.0%
2.9 V ± 1.0%
3.0 V ± 1.0%
3.1 V ± 1.0%
3.2 V ± 1.0%
3.3 V ± 1.0%
3.4 V ± 1.0%
3.5 V ± 1.0%
3.6 V ± 1.0%
3.7 V ± 1.0%
3.8 V ± 1.0%
3.9 V ± 1.0%
4.0 V ± 1.0%
4.1 V ± 1.0%
4.2 V ± 1.0%
4.3 V ± 1.0%
4.4 V ± 1.0%
4.5 V ± 1.0%
4.6 V ± 1.0%
4.7 V ± 1.0%
4.8 V ± 1.0%
4.9 V ± 1.0%
5.0 V ± 1.0%
Table 6
SOT-23-5
S-1003CB12I-M5T1U
S-1003CB13I-M5T1U
S-1003CB14I-M5T1U
S-1003CB15I-M5T1U
S-1003CB16I-M5T1U
S-1003CB17I-M5T1U
S-1003CB18I-M5T1U
S-1003CB19I-M5T1U
S-1003CB20I-M5T1U
S-1003CB21I-M5T1U
S-1003CB22I-M5T1U
S-1003CB23I-M5T1U
S-1003CB24I-M5T1U
S-1003CB25I-M5T1U
S-1003CB26I-M5T1U
S-1003CB27I-M5T1U
S-1003CB28I-M5T1U
S-1003CB29I-M5T1U
S-1003CB30I-M5T1U
S-1003CB31I-M5T1U
S-1003CB32I-M5T1U
S-1003CB33I-M5T1U
S-1003CB34I-M5T1U
S-1003CB35I-M5T1U
S-1003CB36I-M5T1U
S-1003CB37I-M5T1U
S-1003CB38I-M5T1U
S-1003CB39I-M5T1U
S-1003CB40I-M5T1U
S-1003CB41I-M5T1U
S-1003CB42I-M5T1U
S-1003CB43I-M5T1U
S-1003CB44I-M5T1U
S-1003CB45I-M5T1U
S-1003CB46I-M5T1U
S-1003CB47I-M5T1U
S-1003CB48I-M5T1U
S-1003CB49I-M5T1U
S-1003CB50I-M5T1U
SNT-6A
S-1003CB12I-I6T1U
S-1003CB13I-I6T1U
S-1003CB14I-I6T1U
S-1003CB15I-I6T1U
S-1003CB16I-I6T1U
S-1003CB17I-I6T1U
S-1003CB18I-I6T1U
S-1003CB19I-I6T1U
S-1003CB20I-I6T1U
S-1003CB21I-I6T1U
S-1003CB22I-I6T1U
S-1003CB23I-I6T1U
S-1003CB24I-I6T1U
S-1003CB25I-I6T1U
S-1003CB26I-I6T1U
S-1003CB27I-I6T1U
S-1003CB28I-I6T1U
S-1003CB29I-I6T1U
S-1003CB30I-I6T1U
S-1003CB31I-I6T1U
S-1003CB32I-I6T1U
S-1003CB33I-I6T1U
S-1003CB34I-I6T1U
S-1003CB35I-I6T1U
S-1003CB36I-I6T1U
S-1003CB37I-I6T1U
S-1003CB38I-I6T1U
S-1003CB39I-I6T1U
S-1003CB40I-I6T1U
S-1003CB41I-I6T1U
S-1003CB42I-I6T1U
S-1003CB43I-I6T1U
S-1003CB44I-I6T1U
S-1003CB45I-I6T1U
S-1003CB46I-I6T1U
S-1003CB47I-I6T1U
S-1003CB48I-I6T1U
S-1003CB49I-I6T1U
S-1003CB50I-I6T1U
8 Seiko Instruments Inc.







S-1003 equivalent, schematic
MANUAL RESET BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) HIGH-ACCURACY VOLTAGE DETECTOR
S-1003 Series
Rev.1.0_00
2. Manual reset function
The OUT pin voltage can be changed to detection status forcibly by the MR pin input voltage (VMR).
When not using the manual reset function, set VMR = VDD in the S-1003 Series xA type, and VMR = VSS in the
S-1003 Series xB type.
Caution
Perform thorough evaluation in the actual application when using the MR pin in open. Due to the
parasitic capacitance of the MR pin, the manual reset function may malfunction when the power supply
fluctuates.
2. 1 S-1003 Series xA type (MR pin logic active "L")
(1) MR pin = "L"
When the VDD pin voltage is the release voltage (+VDET) or more, the OUT pin changes to the detection status
from the release status immediately if a voltage of the MR pin input voltage "L" (VMRL) or less is applied to the
MR pin.
(2) MR pin = "H"
If a voltage of the MR pin input voltage "H" (VMRH) or more is applied to the MR pin, output from the OUT pin is
determined to be "H" or "L" depending on the VDD pin voltage.
After the passage of the delay time (tD), the OUT pin changes to the release status from the detection status.
Input from VDD pin
(1) (2)
VDD (≥ +VDET)
Input from MR pin
MR pin input voltage "H" (VMRH)
MR pin input voltage "L" (VMRL)
VDD
Output from OUT pin
VSS
tD
Figure 18 Timing Chart of MR Pin Logic Active "L"
Remark Since the MR pin is pulled up to the VDD pin internally, output from the OUT pin is determined to be "H" or "L" in
the floating status depending on the VDD pin voltage (Refer to Figure 19).
RMR
VDD
*1
MR
*1
VSS
*1. Parasitic diode
Figure 19
16 Seiko Instruments Inc.










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