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| 型号： | MAX703ESA-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISORY CIRCUIT 8SOIC |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
Low-Cost Microprocessor Supervisory
Circuits with Battery Backup
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +4.75V to +5.5V for MAX703, V CC = +4.5V to +5.5V for MAX704, V BATT = 2.8V, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
MR Input Threshold
SYMBOL
V IL
V IH
Low
High
CONDITIONS
MIN
2.0
TYP
MAX
0.8
UNITS
V
MR Pulse Width
MR to RESET Delay
t MR
t MD
150
250
ns
ns
MR Pullup Current
PFI Input Threshold
PFI Input Current
PFO Output Voltage
V OH
MR = 0V
V CC = 5V
I SOURCE = 800μA
100
1.20
-25
V CC -
1.5
250
1.25
+0.01
600
1.30
+25
μA
V
nA
V
V OL
I SINK = 3.2mA
0.4
Note 2: Either V CC or V BATT can go to 0V if the other is greater than 2.0V.
Note 3: “-“ = battery-charging current, “+” = battery-discharging current.
Typical Operating Characteristics
(V CC = +5V, V BATT = 2.8V, T A = +25°C, unless otherwise noted.)
MAX703 RESET OUTPUT VOLTAGE
OUTPUT VOLTAGE vs. LOAD CURRENT
OUTPUT VOLTAGE vs. LOAD CURRENT
vs. SUPPLY VOLTAGE
5.00
V CC = +5V
V BATT = +2.8V
2.80
V CC = 0V
V BATT = +2.8V
V BATT = 0V
T A = +25 ° C
MAX703 toc03
+5V
4.95
T A = +25 ° C
2.78
T A = +25 ° C
V CC
1V/div
4.90
2.76
4.85
SLOPE = 5 ?
2.74
SLOPE = 80 ?
OV
V CC
V CC
2k ?
+5V
RESET
RESET
RESET
1V/div
4.80
4.75
2.72
2.70
0V
GND
330pF
0
10
20
30
40
50
0
0.2
0.4
0.6
0.8
1.0
500ms/div
I OUT (mA)
I OUT (mA)
POWER-FAIL COMPARATOR
POWER-FAIL COMPARATOR
MAX703 RESET RESPONSE TIME
MAX703 toc04
RESPONSE TIME
MAX703 toc05
RESPONSE TIME
MAX703 toc06
+5V
V CC
+5V
+4V
1V/div
+5V
PFO
PFI
+5V
PFO
1k ?
PFO
PFI
1.25V
+5V
30pF
PFO
1k ?
V CC = +5V
T A = +25 ° C
+3V
30pF
RESET V CC
V CC
RESET
GND
10k ?
RESET
30pF
T A = +25 ° C
0V
+1.30V
PFI
1.25V
V CC = +5V
T A = +25 ° C
0V 0V
PFI
+1.20V +1.20V
+1.30V
2 μ s/div
400ns/div
400ns/div
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX703-MAX704 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost レP Supervisory Circuits with Battery Backup |
| MAX703MJA | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX704 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost レP Supervisory Circuits with Battery Backup |
| MAX704_C/D | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3.0V/3.3V Microprocessor Supervisory Circuits |
| MAX704_CPA | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3.0V/3.3V Microprocessor Supervisory Circuits |
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