参数资料
型号: LTC2919IMS-5#PBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC MONITOR PREC 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: 4.425V,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
V CC(MIN)
PARAMETER
Operating Supply Voltage
CONDITIONS
RST , OUT1, OUT2 in Correct State
MIN
0.5
TYP
MAX
UNITS
V
V CC(SHUNT)
I CC
V CC Shunt Regulation Voltage
V CC Input Current
I CC = 1mA, I REF = 0
2.175V < V CC < 6V (C-Grade, I-Grade)
6.0
6.5
50
7.1
220
V
μA
2.175V < V CC < 6V (H-Grade)
50
280
μA
V RT
ADJ Input Threshold
495.0
492.5
500
500
505.0
507.5
mV
mV
Δ V RT
I ADJ
ADJ Hysteresis (Note 4)
ADJ Input Current
TMR = V CC
V ADJ = 0.55V (C-Grade, I-Grade)
V ADJ = 0.55V (H-Grade)
1.5
3.5
0
0
10.0
±15
±40
mV
nA
nA
V CC(UVLO)
Δ V CC(UVLO)
V REF
V CC –10% UVLO Threshold
UVLO Hysteresis (Note 4)
Buffered Reference Voltage
LTC2919-2.5
LTC2919-3.3
LTC2919-5
TMR = V CC
V CC > 2.175V, I REF = ±1mA
2.175
2.871
4.350
0.3
0.990
2.213
2.921
4.425
0.7
1.000
2.250
2.970
4.500
2.0
1.010
V
V
V
%
V
0.985
1.000
1.015
V
I TMR(UP)
I TMR(DOWN)
t RST (EXT)
t RST (INT)
V TMR(DIS)
TMR Pull-Up Current
TMR Pull-Down Current
Reset Timeout Period, External
Reset Timeout Period, Internal
Timer Disable Voltage
V TMR = 1V
V TMR = 1V
C TMR = 2.2nF
V TMR = 0V
V TMR Rising
–1.5
1.5
15
140
V CC
–2.2
2.2
20
200
V CC
–2.9
2.9
27
280
V CC
μA
μA
ms
ms
V
– 0.40
– 0.20
– 0.10
Δ V TMR(DIS)
V TMR(INT)
Δ V TMR(INT)
t PROP
Timer Disable Hysteresis
Timer Internal Mode Voltage
Timer Internal Mode Hysteresis
ADJx Comparator Propagation Delay to
V TMR Falling
V TMR Falling
V TMR Rising
ADJx Driven Beyond Threshold (V RTX ) by
40
0.10
40
50
100
0.20
100
150
160
0.40
160
800
mV
V
mV
μs
OUT X
5mV
t UV
V CC Undervoltage Detect to RST
V CC Less Than UVLO Threshold
50
150
800
μs
(V CC(UVLO) ) by 1%
V OL
I OH
Output Voltage Low
Output Voltage High Leakage
V CC = 0.5V, I = 5μA
V CC = 1V, I = 100μA
V CC = 3V, I = 2500μA
Output = V CC (C-Grade, I-Grade)
0
0
0
0.01
0.01
0.10
0
0.15
0.15
0.30
±1
V
V
V
μA
Output = V CC (H-Grade)
0
±5
μA
Three-State Input SEL
V IL
V IH
Low Level Input Voltage
High Level Input Voltage
0
1.4
0.4
V CC
V
V
V Z
Pin Voltage when Left in Open State
I SEL = 0μA
0.8
0.9
1.0
V
2919f
3
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