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参数资料
| 型号： | LTC1326CS8-2.5#TR |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR TRPL SPPLY PREC 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： | 0°C ~ 70°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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