参数资料
型号: LTC2908IDDB-B1#TRPBF
厂商: Linear Technology
文件页数: 5/18页
文件大小: 0K
描述: IC MONITOR SIX SUPPLY PREC 8DFN
标准包装: 2,500
类型: 多压监控器
监视电压数目: 6
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 最小为 160 ms
电压 - 阀值: 1.403V,1.683V,2.338V,3.086V,可调,可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN(3x2)
包装: 带卷 (TR)
LTC2908
TYPICAL PERFORMANCE CHARACTERISTICS
Speci?cations are at T A = 25°C unless otherwise noted.
1.710
1.700
1.690
1.680
1.670
1.8V Threshold Voltage
vs Temperature
1.425
1.420
1.415
1.410
1.405
1.400
1.395
1.390
1.385
1.5V Threshold Voltage
vs Temperature
0.5080
0.5060
0.5040
0.5020
0.5000
0.4980
0.4960
0.4940
ADJ Threshold Voltage
vs Temperature
1.660
–50
–25
0
25
50
75
100
1.380
–50
–25
0
25
50
75
100
0.4920
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
I V1 vs Temperature
2908 G04
TEMPERATURE (°C)
I V2 vs Temperature
2908 G05
TEMPERATURE (°C)
I V3 vs Temperature
2908 G06
33
V1 = 5.0V (A1)/V1 = 3.3V (B1)/V1 = 2.5V (C1)
14
V1 = 5.0V (A1)/V1 = 3.3V (B1)
2.2
V1 = 5.0V (A1)/V1 = 3.3V (B1)
31 V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
29 V4 = 1.8V (A1)/V1 = 1.5V (B1)
V ADJ1 = V ADJ2 = V ADJ3 =
27 V ADJ4 =V ADJ5 = 0.55V
A1
25
23
C1
21
B1
13 V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
12 V4 = 1.8V (A1)/V4 = 1.5V (B1)
11 V ADJ1 = V ADJ2 = 0.55V
10
A1
9
8
7
B1
2.1 V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
2.0 V4 = 1.8V (A1)/V4 = 1.5V (B1)
V ADJ1 = V ADJ2 = 0.55V
1.9
1.8
1.7
1.6
6
19
5
1.5
17
–50
–25
0 25 50
75
100
4
–50
–25
0
25
50
75
100
1.4
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
I V4 vs Temperature
2908 G07
TEMPERATURE (°C)
Typical Transient Duration
vs Comparator Overdrive
2908 G08
TEMPERATURE (°C)
Reset Time-Out Period (t RST )
vs Temperature
2908 G09
2.2
V1 = 5.0V (A1)/V1 = 3.3V (B1)
700
T A = 25°C
250
2.1 V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
2.0 V4 = 1.8V (A1)/V4 = 1.5V (B1)
V ADJ1 = V ADJ2 = 0.55V
1.9
1.8
1.7
1.6
1.5
600
500
400
300
200
100
RESET OCCURS
ABOVE CURVE
240
230
220
210
200
190
180
170
160
1.4
–50
–25
0
25
50
75
100
0
0.1
1 10 100
150
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
2908 G10
COMPARATOR OVERDRIVE VOLTAGE (% OF V RTX )
2908 G11
TEMPERATURE (°C)
2908 G12
2908fd
5
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