参数资料
型号: MAX4980ETA+T
厂商: Maxim Integrated Products
文件页数: 5/10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
Typical Operating Characteristics
(V IN = 5.0V, EN = GND, T A = +25°C, unless otherwise noted.)
160
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.3
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
1.010
NORMALIZED UVLO THRESHOLD
vs. TEMPERATURE
140
120
1.2
1.005
100
MAX4980/MAX4981
1.1
80
60
40
20
0
MAX4978
1.0
0.9
0.8
0.7
1.000
0.995
0.990
2
7
12
17
22
27
-40
-15
10
35
60
85
-40
-15
10
35
60
85
1.010
1.005
1.000
0.995
0.990
V IN (V)
NORMALIZED OVLO THRESHOLD
vs. TEMPERATURE
4.50
4.45
4.40
4.35
4.30
TEMPERATURE ( ° C)
BATTERY OVERVOLTAGE THRESHOLD
vs. TEMPERATURE
1.10
1.05
1.00
0.95
0.90
TEMPERATURE ( ° C)
NORMALIZED CURRENT LIMIT
vs. TEMPERATURE
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
TEMPERATURE ( ° C)
NORMALIZED STARTUP DELAY/AUTORETRY/
BLANKING TIME vs. TEMPERATURE
1.008
1.006
1.004
1.002
1.000
5V/div
TEMPERATURE ( ° C)
POWER-UP RESPONSE
MAX4978-81 toc08
V IN
V OUT
2V/div
TEMPERATURE ( ° C)
OVERVOLTAGE FAULT RESPONSE
MAX4978-81 toc09
R L = 1k Ω
V IN
V OUT
5V/div
0.998
0.996
0.994
5V/div
V SDT
2V/div
0.992
-40
-15
10
35
60
85
40ms/div
4 μ s/div
TEMPERATURE ( ° C)
_______________________________________________________________________________________
5
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