参数资料
型号: MAX4980ETA+T
厂商: Maxim Integrated Products
文件页数: 3/10页
文件大小: 0K
描述: IC OVERVOLTAGE PROT CTRLR 8TDFN
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: 2.3 V ~ 28 V
电流 - 电源: 130µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-TDFN-EP(3x3)
包装: 带卷 (TR)
Overvoltage Protector with
Active Current Limit
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 5.0V, V EN = 0V, 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
Thermal-Shutdown Hysteresis
10
°C
EN Input High Voltage
EN Input Low Voltage
V IH
V IL
1.5
0.6
V
V
EN Input Leakage Current
SDT Output Low Voltage
SDT Leakage Current
I LKGE
V OL
I LKGS
V EN = 5.5V or 0V
MAX4978/MAX4979, I SINK = 20mA
MAX4978/MAX4979, V SDT = 28V, SDT
deasserted
-1
+1
1
1
μA
V
μA
DYNAMIC (Note 3)
IN Debounce Time
Switch Turn-On Time
Switch Turn-Off Time
Current-Limit Blanking Time
Current-Limit Reaction Time
Overcurrent Autoretry Time
t DEB
t ON
t OFF
t BLANK
t REAC
t RETRY
V UVLO < V IN < V OVLO to charge-pump
enable, Figure 1
Time from V OUT = 10% of V IN to V OUT = 90%
of V IN , R L = 10 Ω , C L = 10μF
V IN < V UVLO or V IN > V OVLO to internal
switch off, R L = 1k Ω
Short circuit applied, Figure 1
Short circuit applied
Figure 1
120
15
120
160
1.5
5
20
5
160
200
15
25
200
ms
ms
μs
ms
μs
ms
Note 2: All devices are 100% production tested at T A = +25°C. Specifications over -40°C to +85°C are guaranteed by design.
Note 3: All timing is measured using 10% and 90% levels, unless otherwise noted.
_______________________________________________________________________________________
3
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