参数资料
型号: LTC1326IS8-2.5#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC PREC TRPL SUPPLY MONITR 8SOIC
标准包装: 2,500
类型: 多压监控器
监视电压数目: 3
输出: 开路漏极或开路集电极
复位: 高有效/低有效
复位超时: 最小为 140 ms
电压 - 阀值: 2.363V,3.118V,可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
LTC1326/LTC1326-2.5
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC3 = 3.3V, V CC5 = 5V (for LTC1326),V CC25 = 2.5V (for LTC1326-2.5),
V CCA = V CC3 , T A = 25 ° C unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V RT3
V RT5
V RT25
V RTA
Reset Threshold V CC3
Reset Threshold V CC5 (LTC1326)
Reset Threshold V CC25 (LTC1326-2.5)
Reset Threshold V CCA
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
3.094
3.052
4.687
4.625
2.344
2.312
0.992
0.980
3.118
3.118
4.725
4.725
2.363
2.363
1.000
1.000
3.135
3.143
4.750
4.762
2.375
2.381
1.007
1.007
V
V
V
V
V
V
V
V
V CC
I VCC3
I VCC5
I VCC25
V CC3 Operating Voltage
V CC3 Supply Current
V CC5 Input Current (LTC1326)
V CC25 Input Current (LTC1326-2.5)
RST in Correct Logic State
PBR = V CC3
V CC5 = 5V
V CC25 = 2.5V
1
20
4
2.8
7
40
10
7
V
μ A
μ A
μ A
I VCCA
t RST
t SRST
V CCA Input Current
Reset Pulse Width
Soft Reset Pulse Width
V CCA = 1V
RST Low with 10k ? Pull-Up to V CC3
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
SRST Low with 10k ? Pull-Up to V CC3
–15
140
140
50
0
200
200
100
15
280
300
200
nA
ms
ms
μ s
t UV
V CC Undervoltage Detect to RST
V CC25 , V CC3 or V CCA Less Than Reset
13
μ s
Threshold V RT by More Than 1%
I PBR
PBR Pull-Up Current
PBR = 0V
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
3
3
7
7
10
15
μ A
μ A
V IL
V IH
t PW
PBR, RST Input Low Voltage
PBR, RST Input High Voltage
PBR Min Pulse Width
2
40
0.8
V
V
ns
t DB
PBR Debounce
Deassertion of PBR Input to SRST
Output (PBR Pulse Width = 1 μ s)
20
35
ms
t PB
V OL
PBR Assertion Time for Transition
from Soft to Hard Reset Mode
RST Output Voltage Low
PBR Held Less Than V IL
0 ° C ≤ T A ≤ 70 ° C
–40 ° C ≤ T A ≤ 85 ° C
I SINK = 5mA
I SINK = 100 μ A,
V CC3 = 1V, V CC5 = 0V
0 ° C ≤ T A ≤ 70 ° C
V CC3 = 0V, V CC5 = 1V
1.4
1.4
2.0
2.0
0.15
0.05
0.05
2.8
3.0
0.4
0.4
0.4
s
s
V
V
V
V CC3 = 1V, V CC5 = 1V
0.05
0.4
V
I SINK = 100 μ A,
–40 ° C ≤ T A ≤ 85 ° C
I SINK = 100 μ A,
0 ° C ≤ T A ≤ 70 ° C
I SINK = 100 μ A,
–40 ° C ≤ T A ≤ 85 ° C
V CC3 = 1.1V, V CC5 = 0V
V CC3 = 0V, V CC5 = 1.1V
V CC3 = 1.1V, V CC5 = 1.1V
V CC3 = 1V, V CC25 = 0V
V CC3 = 0V, V CC25 = 1V
V CC3 = 1V, V CC25 = 1V
V CC3 = 1.1V, V CC25 = 0V
V CC3 = 0V, V CC25 = 1.1V
V CC3 = 1.1V, V CC25 = 1.1V
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
V
V
V
V
V
V
V
V
V
SRST Output Voltage Low
RST Output Voltage Low
I SINK = 2.5mA
I SINK = 2.5mA
0.15
0.15
0.4
0.4
V
V
132625fc
3
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