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| 型号： | MAX4971EWC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC OVERVOLTAGE PROT CTRLR 12WLP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 过压保护控制器 |
| 输入电压： | 2.2 V ~ 28 V |
| 电流 - 电源： | 60µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFBGA，WLCSP |
| 供应商设备封装： | 12-WLP |
| 包装： | 带卷 (TR) |
Overvoltage-Protection Controllers
with a Low R ON Internal FET
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +2.2V to +28V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V IN = 5V (MAX4970),
Switch On-Resistance
R ON
V IN = 5.5V (MAX4971),
40
90
m Ω
V IN = 3.8V (MAX4972); I OUT = 400mA
V IN = 5V (MAX4970),
Overcurrent Protection Threshold
I LIM
V IN = 5.5V (MAX4971),
2.30
3.36
A
V IN = 3.8V (MAX4972)
GP Clamp Voltage
V GPC
V IN - V GP , V IN up to 28V
5.4
7.0
8.5
V
EN = low,
GP Pulldown Resistor
R GPPD
V GP = V IN = 5V (MAX4970),
V GP = V IN = 5.5V (MAX4971),
16
36
54
k Ω
V GP = V IN = 3.8V (MAX4972)
GP Pullup Resistor to IN
R GPPU
EN = high, V IN = 5V
9
15
25
k Ω
EN Input-Voltage High
EN Input-Voltage Low
V IH
V IL
1.4
0.4
V
V
EN Input Leakage Current
ACOK Output-Low Voltage
ACOK High Leakage Current
Thermal Shutdown
Thermal-Shutdown Hysteresis
Maximum Output Capacitance
I EN
V OL
C OUT
V EN = 5V
I SINK = 1mA
V ACOK = 5.5V, ACOK deasserted
+150
40
1
0.4
1
1000
μA
V
μA
°C
°C
μF
TIMING CHARACTERISTICS (Figure 1)
Debounce Time
Switch Turn-On Time
ACOK Assertion Time
t INDBC
t ON
t ACOK
Time from V UVLO < V IN < V OVLO , R LOAD =
100 Ω , C LOAD = 1μF to charge-pump enable
V UVLO < V IN < V OVLO , R LOAD = 100 Ω ,
C LOAD = 1μF from EN low to 90% of V OUT
V UVLO < V IN to ACOK low (MAX4970/MAX4971)
V UVLO < V IN < V OVLO to ACOK low (MAX4972)
V IN < V UVLO to internal switch off
15
13
15
4
8
ms
ms
ms
Switch Turn-Off Time
Current Limit Turn-Off Time
Autoretry Time
t OFF
t BLANK
t RETRY
V IN > V OVLO to internal switch off,
R LOAD = 100 Ω
Overcurrent fault to internal switch off
From overcurrent fault to internal switch
turn-on, Figure 2
5
10
15
11
μs
μs
ms
Note 2: All specifications are 100% production tested at T A = +25°C, unless otherwise noted. Specifications are over -40°C to +85°C
and are guaranteed by design.
_______________________________________________________________________________________
3
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| MAX4972EBC+T | 功能描述:电流和电力监控器、调节器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4972EWC+T | 功能描述:电流和电力监控器、调节器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4978ETA+ | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTOR WITH ACTIVE C - Rail/Tube |
| MAX4978ETA+T | 功能描述:电流和电力监控器、调节器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX497C/D | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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