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参数资料
| 型号： | MAX4971EWC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/9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
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
OVERCURRENT DURATION TIME
UNDERVOLTAGE FAULT RESPONSE
MAX4970/71/72 toc10
SHORT-CIRCUIT FAULT RESPONSE
MAX4970/71/72 toc11
V IN
(DURING AUTORETRY)
MAX4970/71/72 toc12
R LOAD = 1 Ω
C LOAD = 0.1 μ F
4V
V IN
5V/div
5V/div
V OUT
2V/div
V OUT
5V/div
V OUT
5V/div
V ACOK
5V/div
I OUT
1A/div
V ACOK
5V/div
I OUT
10A/div
I OUT
1A/div
4ms/div
4 μ s/div
4ms/div
Pin Description
PIN
A1
A2, A3,
A4, B2
B1
B3, C2,
C3, C4
B4
C1
NAME
ACOK
OUT
GND
IN
GP
EN
FUNCTION
Active-Low Open-Drain Adapter-Voltage Indicator Output. ACOK is driven low after the adapter
voltage is stable between UVLO and OVLO for 15ms (typ) (MAX4972), or after the adapter voltage
is stable and greater than UVLO for 15ms (typ) (MAX4970/MAX4971). Connect a pullup resistor
from ACOK to the logic I/O voltage of the host system.
Output Voltage. Output of the internal switch. Connect all the OUT outputs together for proper
operation.
Ground
Voltage Input. Bypass IN with a 1μF ceramic capacitor as close as possible to the device to
obtain ±15kV Human Body Model (HBM) ESD protection. No capacitor is required for ±2kV (HBM)
ESD protection. Connect all the IN inputs together for proper operation.
External pFET Gate-Drive Output. GP pulls the external pFET gate down when the input is above
UVLO and when EN is active (low).
Enable Input. Drive EN low to turn GP pulldown on, GP pullup off, and to turn on the charge pump.
Drive EN high to turn off the device.
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相关代理商/技术参数 |
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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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