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マキシム > ソリューション > インパネ

過電圧保護

課題:標準の自動車電圧の変動、ロードダンプ、および逆バッテリ状況から二次およびPOL電源を保護。

データシート
表示 タイトル/製品 主な特長
QV  PDF 外付けMOSFET、72V、過電圧保護スイッチ/リミッタコントローラ
MAX6495, MAX6496, MAX6497, MAX6498, MAX6499

QV  PDF 過電圧保護スイッチ/リミッタコントローラ、最大72Vまで動作
MAX6397, MAX6398




Key Specifications:  Linear Regulators
Part Number Regulators VIN
(V)
VIN
(V)
Preset VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
ICC
(µA)
Low Batt./ Pwr. Fail Out POK/Reset Thresh.
(V)
Watchdog Reverse Batt. Protect. Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max typ max nom max w/pins
MAX6397  1 5.5 72
1.8
2.5
3.3
5
0.7 100 48 No
Vout-12.5%
Vout-7.5%
No No
TDFN-EP/8
10 -40 to +125
See All Linear Regulators (153)

Key Specifications:  Overvoltage Protection Controllers
Part Number Channels VIN
(V)
VIN
(V)
Over Voltage Trip Level
(V)
Under Voltage Lockout
(V)
VGATE
(V)
Features Design Tools Package/Pins Oper. Temp.
(°C)
min max
MAX6495  1 5.5 72 Adjustable (1.2V) 5
8
8.6
10
Internal Charge Pump
Voltage Limiter Mode
-
TDFN-EP/6
-40 to +125
MAX6496 
Internal Charge Pump
Latch
Reverse Polarity Protection
Voltage Limiter Mode
EE-Sim
TDFN-EP/8
MAX6497 
Internal Charge Pump
Latch
-
TDFN-EP/8
MAX6498 
Auto Retry
Internal Charge Pump
-
TDFN-EP/8
MAX6499 
Internal Charge Pump
Latch
-
TDFN-EP/8
MAX6398 
Internal Charge Pump
Voltage Limiter Mode
-
TDFN-EP/6
See All Overvoltage Protection Controllers (47)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)
Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)
ICC
(µA)
Active Low min @ +25°C max
MAX6495 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
- <1ms No Watchdog
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
2.5 30
MAX6496  -
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
30
MAX6497  Open Drain
Adjustable Reset Input
High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
24
MAX6498  Open Drain
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
24
MAX6499  -
Adjustable Reset Input
High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
24
MAX6398  -
High Voltage (>6V)
Overvoltage/Window Monitor
45
See All Supervisors (1 Monitored Voltage) (274)



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