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LS1205EVD33

Part Number	LS1205EVD33
Manufacturer	Littelfuse
Description	5A eFuse
Published	Jan 28, 2023
Detailed Description	Protection IC Datasheet LS1205ExD33 Series 18V, 5A eFuse with Programmable Current Limit and Output Voltage Clamp RoHS ...
Datasheet	LS1205EVD33 PDF File

Overview

Protection IC Datasheet LS1205ExD33 Series 18V, 5A eFuse with Programmable Current Limit and Output Voltage Clamp RoHS Pb Description The LS1205E integrated load switch provides an easy circuit protection to power the system.
The devices use few external components and provide multiple protection modes.
They are a robust defense against overload, short circuit, input voltage surge and excessive inrush current.
The switch’s low RDS(ON) helps to reduce power loss during normal operation.
Set the current limit level with an external resistor.
Protect against input over-voltage events via internal clamp circuitry to a safe output voltage.
Programmable soft-start controls the slew rate of the output voltage to limit inrush current during plug in.
It integrates thermal fold-back function and over temperature shutdown protection.
They are available in low profile 10 leads DFN 3mm x 3mm package.
Pinout Designation LS1205EV Top View LS1205EF Top View Pin Description LS1205EV LS1205EF Pin Name Description 1, 2, 3 4 5 6 7 8, 9,10 1, 2, 3 IN Power input pin.
LS1205EV only output clamp voltage selection based on the input voltage.
Pull VCP pin to High by connecting a resistor to IN or pull VCP pin to Low by connecting a resistor to ground, or float VCP Pin to select different output clamping thresholds.
Recommend to decoupling this pin with 0.
1µF capacitor.
- VCP VOUT Clamping VCP VIN Threshold Typ Low 3.
3V >4V 3.
8V High 5V >6V 5.
7V FLOAT 12V >16V 14.
4V LS1205EF Only.
Fault event indicator.
Open- 4 FAULT\ drain output that asserts low to indicate input under-voltage, input over-voltage, output short and thermal shutdown fault events.
5 ILIM Current limit program pin.
Program the current limit by connecting a resister to ground.
6 SS Soft Start time program pin.
Connect a capacitor to ground to program the soft start time.
Enable interface pin.
EN has accurate ON/OFF 7 EN threshold of 1.
29V and 1.
19V respectively.
Pull it above ON thresh...

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