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参数资料
| 型号： | MAX14528ETA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/7页 |
| 文件大小： | 0K |
| 描述： | IC OVERVOLTAGE PROTECTOR 8TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 电压 - 工作： | 6.765V |
| 电压 - 箝位： | 5.5V |
| 技术： | 混合技术 |
| 电路数： | 1 |
| 应用： | 通用 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1424 (CN2011-ZH PDF) |
| 其它名称： | MAX14528ETA+TDKR |
Adjustable Overvoltage Protector
with High Accuracy
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND.)
IN ............................................................................-0.3V to +30V
OUT .............................................................-0.3V to (V IN + 0.3V)
OVLO........................................................................-0.3V to +6V
Continuous IN Current .............................................................1A
Peak IN Current (Note 1)..........................................................5A
Continuous OVLO Current ...................................................50μA
Continuous Power Dissipation (T A = +70°C)
Package Junction-to-Ambient Thermal Resistance ( θ JA )
(Note 2) .....................................................................83.9°C/W
Package Junction-to-Case Thermal Resistance ( θ JC )
(Note 2) ........................................................................37°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) .........................................+300°C
8-Pin TDFN (derate 11.9mW/°C above +70°C) ...........954mW
Note 1: Limited by thermal shutdown.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-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 = +2.2V to +28V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at V IN = +5.0V and T A = +25°C.) (Note 3)
PARAMETER
Input Voltage Range
Input Supply Current
SYMBOL
V IN
I IN
V IN < OVLO
CONDITIONS
MIN
2.2
TYP
80
MAX
28
160
UNITS
V
μA
IN Overvoltage Trip Level
V IN_OVLO
V IN rising
V IN falling
MAX14527
MAX14528
MAX14527
MAX14528
5.6
6.55
5.54
6.5
5.75
6.765
5.9
7
5.84
6.95
V
IN Overvoltage Lockout Hysteresis
V IN_OVLO_HYS
1
%
OVLO Set Threshold
Adjustable OVLO Threshold Range
External OVLO Select Threshold
Switch On-Resistance
OVLO Clamp
OUT Capacitor
V OVLO_THRESH
V OVLO_SELECT
R ON
C OUT
I CLAMP = 10μA
1.2
4
0.15
3
1.245
0.33
100
4.56
1.29
8
0.5
200
5.5
1000
V
V
V
m Ω
V
μF
OVLO Input Leakage Current
I OVLO
V OVLO_THRESH = 1.245V
-100
+100
nA
Thermal Shutdown
Thermal Shutdown Hysteresis
TIMING CHARACTERISTICS (Figure 1)
150
20
°C
°C
Debounce Time
t INDBC
Time from 2.2V < V IN < V IN_OVLO to
V OUT = 10% of V IN
15
ms
2.2V < V IN < V IN_OVLO , R LOAD = 100 Ω ,
C LOAD = 100μF; V OUT from 10% to
0.7
Switch Turn-On Time
t ON
90% of V IN
2.2V < V IN < V IN_OVLO , R LOAD = 100 Ω ,
C LOAD = 1mF; V OUT from 10% to 90%
1.4
ms
of V IN
V IN > V OVLO_THRESH to V OUT = 80% of
Switch Turn-Off Time
t OFF
V IN_OVLO ; R LOAD = 1k Ω , V IN rising at
1.3
3.5
μs
2V/100ns
Note 3: 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.
2
_______________________________________________________________________________________
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