参数资料
型号: MAX791ESE+T
厂商: Maxim Integrated Products
文件页数: 3/19页
文件大小: 0K
描述: IC SUPERVISOR MPU 16-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 备用电池电路
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 4.65V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
Microprocessor Supervisory Circuit
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 4.75V to 5.5V, VBATT = 2.8V, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
BATT ON Output
Low Voltage
BATT ON Output
Short-Circuit Current
I SINK = 3.2mA
I SINK = 25mA
Sink current
Source current
CONDITIONS
MIN
1
TYP
0.1
0.7
60
15
MAX
0.4
1.5
100
UNITS
V
mA
μA
RESET, LOW-LINE, AND WATCHDOG TIMER
– — — — — –
R E S E T Threshold Voltage
– — — — — –
– – – –
R E S E T Threshold Hysteresis
— — — — — — — — —
L O W L I N E -to- R E S E T
Threshold Voltage
– — — — — –
V CC -to- R E S E T Delay
– –
— — — — —
V CC -to- L O W L I N E Delay
Power down
Power down
4.50
4.65
15
150
100
80
4.75
V
mV
mV
μs
μs
– — — — — –
R E S E T Active Timeout Period
Watchdog Timeout Period
Power up
SWT connected to V OUT
140
1.0
200
1.6
280
2.25
ms
s
Minimum Watchdog
Timeout Period
Minimum Watchdog Input
Pulse Width
– — — — –
W D P O Pulse Width
– — — — – – — — –
W D P O -to- W D O Delay
4.7nF capacitor connected from SWT to GND
V IL = 0.8V, V IH = 0.75 x V CC
100
10
1
70
ms
ns
ms
ns
MAX791C, I SINK = 50μA, V CC = 1.0V, V CC falling
0.004
0.3
ns
– — — — — –
R E S E T Output Voltage
MAX791E/M, I SINK = 50μA, V CC = 1.2V, V CC falling
I SINK = 3.2mA, V CC = 4.25V
0.004
0.1
0.3
0.4
V
– — — — — –
R E S E T Output
– –
Short-Circuit Current
— — — — —
– –
L O W L I N E Output Voltage
— — — — —
L O W L I N E Output
Short-Circuit Current
I SOURCE = 1.6mA, V CC = 5V
Output source current
I SINK = 3.2mA, V CC = 4.25V
I SOURCE = 1μA, V CC = 5V
Output source current
3.5
3.5
7
15
20
0.4
100
mA
V
μA
– — — –
W D O Output Voltage
– — — –
W D O Output Short-Circuit Current
I SINK = 3.2mA
I SOURCE = 500μA, V CC = 5V
Output source current
3.5
3
0.4
10
V
mA
– — — — –
W D P O Output Voltage
– — — — –
W D P O Output
Short-Circuit Current
I SINK = 3.2mA
I SOURCE = 1mA
Output source current
3.5
7
0.4
20
V
mA
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