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High voltage isolated mosfet driver MICROCHIP HT0740LG-G designed for high side switch applications

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High voltage isolated mosfet driver MICROCHIP HT0740LG-G designed for high side switch applications

Driven Configuration : High Side

Operating Temperature : -40℃~+85℃@(Ta)

Load Type : MOSFET

Input Logic Level - High : 3.15V~5.5V

Rise Time : 650us

Voltage - Supply : 3.15V~5.5V

Fall Time : 3ms

Number of Channels : 1

Description : High Side 650us 3.15V~5.5V 3ms SOIC-8 Isolators - Gate Drivers RoHS

Mfr. Part # : HT0740LG-G

Model Number : HT0740LG-G

Package : SOIC-8

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High-Voltage Isolated MOSFET Driver

The HT0740 is a single-channel, high-voltage, low input current isolated driver utilizing HVCMOS technology. It is designed to drive discrete MOSFETs configured as high-side switches up to 400V. The device generates an independent DC-isolated voltage across +VOUT and VOUT when the logic input is high, and does not require external power supplies, deriving its internal supply from the logic input. Key features include 400V input-to-output isolation, low input logic current (500 A max), and no external voltage supply requirement, with floating isolated output drivers and 5V logic compatibility. Applications include telecommunications, modems, solid-state relays, high-side switches, high-end audio switches, avionics, and automatic test equipment.

Product Attributes

Brand: Microchip Technology Inc.
Origin: USA (Printed in the U.S.A.)
Certifications: RoHS-compliant (implied by 'G' in part number)

Technical Specifications

Parameter	Symbol	Min.	Typ.	Max.	Unit	Conditions
Input to Output Isolation Voltage	VISO			400	V
Logic Input Voltage	VIN	-0.5		7	V
Operating Ambient Temperature	TA	-40		+85	C
Storage Temperature	TS	-55		+150	C
Logic Input High Voltage	VIH	3.15		5.5	V
Logic Input Low Voltage	VIL	0		0.5	V
Logic High Input Current	IH			500	A	VIN = 5V
Logic Low Input Current (Quiescent)	IL			10	A	VIN = 0.5V
Output Voltage Across Output Terminals	VOUT	4.5			V	VIN = 3.15V, no load
Output Voltage Across Output Terminals	VOUT	8.5			V	VIN = 4.5V, no load
Input Voltage for Zero Output				0.8	V	No load
Turn-on Delay Time	td(ON)			50	s	CL = 600 pF, TA = 25 C
Rise Time	tr			650	s
Turn-off Delay Time	td(OFF)			150	s
Fall Time	tf			3	ms
Package Thermal Resistance	JA		101		C/W	8-lead SOIC

2410121851_MICROCHIP-HT0740LG-G_C622889.pdf

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