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参数资料
| 型号： | MAX4980ETA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/10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
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND.)
IN, SDT ................................................................. -0.3V to +30V
OUT ........................................................................... -0.3V to IN
EN , BAT .................................................................. -0.3V to +6V
SDT Continuous Current ................................................. ±50mA
Continuous Power Dissipation (T A = +70°C)
8-Pin 2mm x 3mm TDFN (derate 16.7mW/°C
above +70°C) ........................................................... 1333mW
Junction-to-Case Thermal Resistance ( θ JC ) (Note 1)
8-Pin 2mm x 3mm TDFN ......................................... 10.8°C/W
Junction-to-Ambient Thermal Resistance ( θ JA ) (Note 1)
8-Pin 2mm x 3mm TDFN ............................................ 60°C/W
Operating Temperature Range ......................... -40°C to +85°C
Junction Temperature .................................................... +150°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a 4-layer
board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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
Input Voltage Range
Input Supply Current
UVLO Supply Current
Shutdown Supply Current
SYMBOL
V IN
I IN
I UVLO
I SHDN
I OUT < I LIM_MIN
V IN = 2.3V
V EN = 5V
CONDITIONS
MIN
2.3
TYP
130
35
15
MAX
28
190
60
23
UNITS
V
μA
μA
μA
IN Undervoltage Lockout
V UVLO
MAX4978
MAX4979/MAX4980/
V IN falling
V IN rising
V IN falling
4.2
4.3
2.5
4.4
4.5
V
IN Undervoltage Lockout
Hysteresis
MAX4981
MAX4978/MAX4980/
V IN rising
V IN falling
2.56
5.5
2.63
1
2.70
%
IN Overvoltage Lockout
V OVLO
MAX4981
MAX4979
V IN rising
V IN falling
V IN rising
5.6
6.5
6.65
5.7
6.80
5.8
6.95
V
IN Overvoltage Lockout Hysteresis
1
%
BAT Overvoltage Trip Level
V BOTL
MAX4980/MAX4981, V BAT rising
4.3
4.4
4.5
V
BAT Overvoltage Hysteresis
MAX4980/MAX4981
1
%
BAT Input Leakage Current
I LKGB
MAX4980/MAX4981, V BAT = 4.2V
1
μA
Switch On-Resistance
R ON
I OUT = 100mA
MAX4978, MAX4979,
MAX4980
T A =+25°C
T A = 0°C to +85°C
850
800
85
900
160
950
1000
m Ω
Overcurrent Protection Threshold
Thermal Shutdown
I LIM
T SHDN
MAX4981
T A rising
T A = -40°C to +0°C
T A =+25°C
T A = -40°C to +85°C
780
1850
1750
1950
1950
160
1000
2050
2150
mA
°C
2
_______________________________________________________________________________________
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