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PDF ( 数据手册 , 数据表 ) S-1011

零件编号 S-1011
描述 VOLTAGE DETECTOR
制造商 Seiko Instruments
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S-1011 数据手册, 描述, 功能
S-1011 Series
www.sii-ic.com
© Seiko Instruments Inc., 2014-2015
HIGH-WITHSTAND VOLTAGE
BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR
Rev.1.2_00
The S-1011 Series is a high-accuracy voltage detector developed using CMOS technology. The detection voltage is fixed
internally, and the accuracy of the S-1011 Series A / C / E / G type is ±1.5%. It operates with current consumption of
600 nA typ.
Apart from the power supply pin, the detection voltage input pin (SENSE pin) is also prepared in the SENSE detection
product, so the output is stable even if the SENSE pin falls to 0 V.
The detection signal and release signal can be delayed by setting a capacitor externally, and the detection delay time
accuracy is ±20% (CN = 3.3 nF, Ta = +25°C), the release delay time accuracy is ±20% (CP = 3.3 nF, Ta = +25°C).
Output form is Nch open-drain output.
Features
Detection voltage:
Detection voltage accuracy:
Detection delay time accuracy:
Release delay time accuracy:
Current consumption:
Operation voltage range:
Hysteresis width:
Output form:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
3.0 V to 10.0 V (0.05 V step) (SENSE detection product)
3.6 V to 10.0 V (0.05 V step) (VDD detection product)
±1.5% (A / C / E / G type)
±20% (CN = 3.3 nF)
±20% (CP = 3.3 nF)
600 nA typ.
1.8 V to 36.0 V
"Available" (5.0% typ.) / "unavailable" is selectable.
Nch open-drain output
Ta = 40°C to +85°C
Applications
Power supply monitor for microcomputer and reset for CPU
Constant voltage power supply monitor for TV and home appliance etc.
Power supply monitor for Blu-ray recorder, notebook PC and digital still camera
Industrial equipment, housing equipment
Package
SOT-23-6
Seiko Instruments Inc.
1







S-1011 pdf, 数据表
HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR
S-1011 Series
Rev.1.2_00
Absolute Maximum Ratings
Table 13
(Ta = +25°C unless otherwise specified)
Item
Symbol
Absolute Maximum Rating
Unit
Power supply voltage
SENSE pin input voltage
CP pin input voltage
CN pin input voltage
Output voltage
Output current
Operation ambient temperature
Storage temperature
VDD VSS
VSENSE
VCP
VCN
VOUT
IOUT
Topr
Tstg
VSS 0.3 to VSS + 45
VSS 0.3 to VSS + 45
VSS 0.3 to VDD + 0.3 VSS + 7.0
VSS 0.3 to VDD + 0.3 VSS + 7.0
VSS 0.3 to VSS + 45
25
40 to +85
40 to +125
V
V
V
V
V
mA
°C
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
Thermal Resistance Value
Table 14
Item
Symbol
Condition
Junction-to-ambient thermal resistance*1 θja
SOT-23-6
Board 1
Board 2
*1. Test environment: compliance with JEDEC STANDARD JESD51-2A
Min. Typ. Max. Unit
159 °C/W
124 °C/W
Remark Refer to "Thermal Characteristics" for details of power dissipation and test board.
8 Seiko Instruments Inc.







S-1011 equivalent, schematic
HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR
S-1011 Series
Rev.1.2_00
VDD
VDET max.
VDET min.
Detection voltage Release voltage
Detection voltage
range
+VDET max.
+VDET min.
VDD
Release voltage
range
VOUT
tRESET
Figure 17 Detection Voltage (VDD detection product)
VOUT
tDELAY
Figure 18 Release Voltage (VDD detection product)
VSENSE
Detection voltage Release voltage
VDET max.
VDET min.
Detection voltage
range
+VDET max.
+VDET min.
VSENSE
Release voltage
range
VOUT
tRESET
Figure 19 Detection Voltage
(SENSE detection product)
VOUT
tDELAY
Figure 20 Release Voltage
(SENSE detection product)
VDD
R
100 kΩ
VDD
R
100 kΩ
VDD
OUT
VDD
SENSE
OUT
+
V
VSS CP CN
+
V
VSENSE
+
V
VSS CP
CN
+
V
Figure 21 Test Circuit of Detection Voltage
and Release Voltage
(VDD detection product)
Figure 22 Test Circuit of Detection Voltage
and Release Voltage
(SENSE detection product)
3. Hysteresis width (VHYS)
The hysteresis width is the voltage difference between the detection voltage and the release voltage (the voltage at
point B the voltage at point A = VHYS in Figure 24 and Figure 28). Setting the hysteresis width between the
detection voltage and the release voltage, prevents malfunction caused by noise on the input voltage.
4. Feed-through current
The feed-through current is a current that flows instantaneously to the VDD pin at the time of detection and release
of a voltage detector.
16 Seiko Instruments Inc.










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