参数资料
型号: LTC2919IMS-2.5#PBF
厂商: Linear Technology
文件页数: 4/16页
文件大小: 0K
描述: IC MONITOR PREC 2.5V 10-MSOP
标准包装: 50
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: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 2.213V,可调,可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
LTC2919
ELECTRICAL CHARACTERISTICS
The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V CC = 2.5V (LTC2919-2.5), V CC = 3.3V (LTC2919-3.3), V CC = 5V
(LTC2919-5), ADJ1 = ADJ2 = 0.55V, SEL = ?oating, unless otherwise noted. (Note 2)
SYMBOL
I SEL(Z)
I SEL
PARAMETER
Allowable Leakage When Open
SEL Input Current
CONDITIONS
SEL = V CC or SEL = GND
MIN
TYP
±17
MAX
±5
±25
UNITS
μA
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive; all voltages are referenced to
GND unless otherwise noted.
which exceeds 6V may exceed the rated terminal current. Operation
from higher voltage supplies requires a series dropping resistor. See
Applications Information.
Note 4: Threshold voltages have no hysteresis unless the part is in
comparator mode. Hysteresis is one-sided, affecting only invalid-to-valid
transitions. See Applications Information.
Note 3: V CC maximum pin voltage is limited by input current. Since the
V CC pin has an internal 6.5V shunt regulator, a low impedance supply
TYPICAL PERFOR A CE CHARACTERISTICS T A = 25°C unless otherwise noted.
ADJ Threshold Voltage
vs Temperature
V CC UVLO Threshold Variation
vs Temperature
REF Output Voltage
vs Temperature
508
506
1.5
1.0
1.015
1.010
I REF = 0A
504
502
500
498
496
494
0.5
0
–0.5
–1.0
1.005
1.000
0.995
0.990
492
–50 –25
0
25
50
75 100 125 150
–1.5
–50 –25
0
25
50
75
100 125 150
0.985
–50 –25
0
25
50
75
100 125 150
TEMPERATURE (°C)
REF Output Load Regulation
2919 G01
TEMPERATURE (°C)
REF Output Line Regulation
2919 G02
TEMPERATURE (°C)
Quiescent Supply Current
vs Temperature
2919 G03
0.6
0.4
V CC = 2.5V
T A = 150°C
0.6
0.4
I REF = 0A
T A = 150°C
90
80
ADJ1 = 0.55V
ADJ2 = 0.45V
SEL = OPEN
70
0.2
0.0
T A = 25°C
0.2
0.0
T A = 25°C
60
V CC = 5V
V CC = 3.3V
–0.2
T A = 125°C
T A = –40°C
–0.2
T A = 125°C
T A = –40°C
50
40
V CC = 2.5V
–0.4
–0.4
30
–0.6
–1
–0.5 0 0.5
1
–0.6
2
3
4 5
6
20
–50 –25
0
25
50
75 100 125 150
LOAD CURRENT (mA)
2919 G04
SUPPLY VOLTAGE (V)
2919 G05
TEMPERATURE (°C)
2919 G06
2919f
4
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