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LM3722 データシート(PDF) 3 Page - Texas Instruments

部品番号 LM3722
部品情報  LM3722/LM3723/LM3724 5-Pin Microprocessor Reset Circuits
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ホームページ  http://www.ti.com
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LM3722 データシート(HTML) 3 Page - Texas Instruments

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LM3722, LM3723, LM3724
www.ti.com
SNVS154E – MAY 2001 – REVISED MARCH 2013
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1) (2)
VCC, MR
−0.3V to 6.0V
RESET, RESET
−0.3V to (VCC+ 0.3V)
Input Current, VCC Pin
20mA
Output Current, RESET, RESET Pin
20mA
ESD Rating (3)
2kV
Continuous Power Dissipation (TA = +70°C)
SOT-23 (4)
320mW
Operating Temperature Range
Industrial:
−40°C to +85°C
Extended:
−40°C to +125°C
Maximum Junction Temperature
125°C
Storage Temperature Range
−65°C to +160°C
Lead Temperature (soldering, 10sec)
+300°C
(1)
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which the
device operates correctly. Operating ratings do not imply guaranteed performance limits. For guaranteed performance limits and
associated test conditions, see the Electrical Characteristics.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
The human body model is a 100pF capacitor discharged through a 1.5k
Ω resistor into each pin.
(4)
At elevated temperatures, devices must be derated based on package thermal resistance. The device in the SOT-23-5 package must be
derated at 4.5mW/°C at ambient temperatures above 70°C. The device has internal thermal protection.
Electrical Characteristics
Typical values are at TA = +25°C. Limits with standard typeface are for TA = +25°C, and limits in boldface type apply for the
operating temperature range (
−40°C to +85°C) for LM372_IM5X, and (−40°C to +125°C) for LM372_EM5X, unless otherwise
noted.
(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VCC
VCC Range
1.0
5.5
V
LM372 _ -4.63
VCC = 5.5V
8
15
µA
Supply Current
ICC
LM372 _ -3.08
VCC = 3.6V
7
10
(ILOAD = 0A)
LM372 _ -2.32
VCC = 2.5V
6
10
4.54
4.63
4.72
LM372 _ -4.63
4.50
4.75
3.03
3.08
3.14
VTH
Reset Threshold
LM372 _ -3.08
V
3.00
3.15
2.27
2.32
2.37
LM372 _ -2.32
2.25
2.40
VTH
Reset Threshold Temperature
30
ppm/°C
Tempco
Coefficient
tRD
VCC to Reset Delay
(2)
VCC = VTH to (VTH − 100mV)
20
µs
tRP
Reset Active Timeout Period
100
190
560
ms
tMR
MR Minimum Pulse Width
10
µs
tMD
MR to Reset Propagation Delay
2
µs
MR Glitch Immunity (3)
100
ns
(1)
Production testing done at TA = +25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical
Quality Control (SQC) methods.
(2)
RESET Output for LM3722 and LM3724, RESET output for LM3723.
(3)
Glitches of 100 ns or less typically will not generate a reset pulse.
Copyright © 2001–2013, Texas Instruments Incorporated
Submit Documentation Feedback
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Product Folder Links: LM3722 LM3723 LM3724


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