LTC1726IS8-2.5(RevB) Просмотр технического описания (PDF) - Linear Technology
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Компоненты Описание
производитель
LTC1726IS8-2.5
(Rev.:RevB)
(Rev.:RevB)
Linear Technology
LTC1726IS8-2.5 Datasheet PDF : 12 Pages
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LTC1726
ABSOLUTE AXI U RATI GS (Notes 1, 2)
Terminal Voltage
VCC3, VCC5/VCC25, VCCA ......................... – 0.3V to 7V
RST ....................................................... – 0.3V to 7V
WDI ....................................................... – 0.3V to 7V
UW U
PACKAGE/ORDER I FOR ATIO
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
VCC3 1
VCC25/VCC5 2
VCCA 3
GND 4
TOP VIEW
8 RT
7 WT
6 RST
5 WDI
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 200°C/W
ORDER
PART NUMBER
LTC1726EMS8-2.5
LTC1726EMS8-5
MS8 PART MARKING
LTKZ
LTLA
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
VCC3 1
VCC25/
VCC5
2
VCCA 3
GND 4
8 RT
7 WT
6 RST
5 WDI
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 150°C/W
ORDER
PART NUMBER
LTC1726ES8-2.5
LTC1726ES8-5
LTC1726IS8-2.5
LTC1726IS8-5
S8 PART MARKING
172625
17265
726I25
1726I5
ELECTRICAL CHARACTERISTICS The ● 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.
SYMBOL
VRT3
VRT5
VRT25
VRTA
VCC
IVCC3
PARAMETER
Reset Threshold VCC3
Reset Threshold VCC5
Reset Threshold VCC25
Reset Threshold VCCA
VCC3 or VCC5 Operating Voltage
VCC3 Supply Current
IVCC5
IVCC25
IVCCA
∆tRT
tUV
VCC5 Supply Current
VCC25 Supply Current
VCCA Input Current
RT Charge Current Out
WT Charge Current Out
RT Discharge Current Out
WT Discharge Current Out
Reset Time-Out Period Variation
VCC Undervoltage Detect to RST
CONDITIONS
VCC3 Input Threshold
VCC5 Input Threshold (5V Version)
VCC25 Input Threshold (2.5V Version)
VCCA Input Threshold
RST in Correct Logic State
VCC5/VCC25 > VCC3
VCC5/VCC25 < VCC3, VCC3 = 3.3V
VCC5 = 5V
VCC25 < VCC3, VCC25 = 2.5V (Note 4)
VCCA = 1V
VRT = 0V
VWT = 0V
VRT = 1.3V
VWT = 1.3V
CRT = 1500pF Deviation from tRT = 5ms (Note 5)
VCC25/VCC5, VCC3 or VCCA Less Than Reset
Threshold VRT by More Than 1%
MIN
● 3.036
● 4.600
● 2.300
● 0.985
●1
●
●
●
●
● – 15
● 1.4
● 1.4
● 14
● 14
● –30
TYP
3.085
4.675
2.337
1.000
1
16
16
1
0
2
2
20
20
0
130
MAX
3.135
4.750
2.375
1.015
7
2
30
30
2
15
2.6
2.6
26
26
30
UNITS
V
V
V
V
V
µA
µA
µA
µA
nA
µA
µA
µA
µA
%
µs
1726fb
2
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