KTS1640, KTS1641 Load Switch with OVP and Reverse Polarity Protection Datasheet Brief
●Brief Description
■The KTS1640 and KTS1641 are low-resistance, electronically controlled load switches, with enhanced protection features, used to protect loads from abnormal power supply or load problems. Operating from a wide input supply voltage of between 6V and 40V, the KTS1640 and KTS1641 protect the system from reverse input supplies down to -28V.
■Integrating two N-Channel MOSFETs, the device includes fixed over-voltage protection of 27V (KTS1640) or 20.3V (KTS1641) along with over-temperature protection with auto-retry. Following an over-voltage condition only, KTS1640 and KTS1641 will automatically resume operation, when the over-voltage condition is removed.
■An ENABLE pin allows the MOSFET switch to be enabled or disabled, placing the device in a low current shutdown mode. System monitoring is provided by a fault FLAG.
■To inform the system that the battery or power supply is connected, BDET mirrors the input voltage less the drop across the reverse battery protection MOSFET and sources up to a maximum of 120mA
■Further protection includes over-temperature shutdown and the input pin is fully ESD protected to comply with the IEC61000-4-2 (Level 4) specification.
■The KTS1640 and KTS1641 are packaged in an advanced, fully green compliant, TDFN44-12 package.
●Features
■Wide input operating range from 6V to 40V DC Input
■Low resistance MOSFET Switch typ. 41mΩ
■Reverse Polarity Protection to -28V
■Fixed over-voltage protection
▲Fixed: 27V ± 0.8V or 20.3V ± 0.8V
■Fast OVP response time typ. 360ns
■Continuous output current up to 6A
■Over-temperature Protection with Auto-Retry
■Open drain fault flag
■Shutdown pin with low shutdown current
■Voltage Input detection output
■Input ESD protection to IEC61000-4-2 (Level 4)
▲Contact: ±8kV
▲Air: ±15kV
▲Other pins HBM: ±2kV
■Pb-free TDFN44-12 package
■-40°C to +85°C operating temperature range
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Load Switch 、 low-resistance, electronically controlled load switches |
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[ Reverse Power Supply Protection ][ Telecom System ][ Server System ][ Networking System ][ Industrial Systems ][ Medical Systems ][ Portable Instrumentation ] |
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Datasheet |
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Please see the document for details |
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TDFN44-12 |
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English Chinese Chinese and English Japanese |
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December 2018 |
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Revision 04b |
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246 KB |
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