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LTC1726 Datasheet(PDF) 2 Page - Linear Technology

Part No. LTC1726
Description  Triple Supply Monitor and uP Supervisor with Adjustable Reset and Watchdog Timer
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1726 Datasheet(HTML) 2 Page - Linear Technology

 
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LTC1726
Terminal Voltage
VCC3, VCC5/VCC25, VCCA ......................... –0.3V to 7V
RST ....................................................... – 0.3V to 7V
WDI ....................................................... – 0.3V to 7V
RT, WT .................................................. – 0.3V to 7V
Operating Temperature Range (Note 3) .. – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300
°C
Consult factory for Military grade parts.
TJMAX = 125°C, θJA = 200°C/W
(Notes 1, 2)
TJMAX = 125°C, θJA = 150°C/W
ORDER
PART NUMBER
LTC1726ES8-2.5
LTC1726ES8-5
LTC1726IS8-2.5
LTC1726IS8-5
S8 PART MARKING
172625
726I25
17265
1726I5
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VRT3
Reset Threshold VCC3
VCC3 Input Threshold
q
3.036
3.085
3.135
V
VRT5
Reset Threshold VCC5
VCC5 Input Threshold (5V Version)
q
4.600
4.675
4.750
V
VRT25
Reset Threshold VCC25
VCC25 Input Threshold (2.5V Version)
q
2.300
2.337
2.375
V
VRTA
Reset Threshold VCCA
VCCA Input Threshold
q
0.985
1.000
1.015
V
VCC
VCC3 or VCC5 Operating Voltage
RST in Correct Logic State
q
17
V
IVCC3
VCC3 Supply Current
VCC5/VCC25 > VCC3
q
12
µA
VCC5/VCC25 < VCC3, VCC3 = 3.3V
q
16
30
µA
IVCC5
VCC5 Supply Current
VCC5 = 5V
q
16
30
µA
IVCC25
VCC25 Supply Current
VCC25 < VCC3, VCC25 = 2.5V (Note 4)
q
12
µA
IVCCA
VCCA Input Current
VCCA = 1V
q
–15
0
15
nA
RT Charge Current Out
VRT = 0V
q
1.4
2
2.6
µA
WT Charge Current Out
VWT = 0V
q
1.4
2
2.6
µA
RT Discharge Current Out
VRT = 1.3V
q
14
20
26
µA
WT Discharge Current Out
VWT = 1.3V
q
14
20
26
µA
The q denotes specifications which apply over the full operating
temperature range, otherwise specificaitons are at TA = 25°C. VCC3 = 3.3V, VCC5 = 5V, VCC25 = 2.5V, VCCA = VCC3 unless
otherwise noted.
1
2
3
4
8
7
6
5
TOP VIEW
RT
WT
RST
WDI
VCC3
VCCA
GND
S8 PACKAGE
8-LEAD PLASTIC SO
VCC25/
VCC5
ORDER
PART NUMBER
LTC1726EMS8-2.5
LTC1726EMS8-5
MS8 PART MARKING
LTKZ
LTLA
1
2
3
4
VCC3
VCC25/VCC5
VCCA
GND
8
7
6
5
RT
WT
RST
WDI
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS


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