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Isolated mosfet driver MICROCHIP HT0440LG-G featuring dual outputs and internal clock disable function

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Isolated mosfet driver MICROCHIP HT0440LG-G featuring dual outputs and internal clock disable function

Driven Configuration : High Side

Operating Temperature : -40℃~+85℃

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 : 2

Current - Output Low(IOL) : -

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

Mfr. Part # : HT0440LG-G

Model Number : HT0440LG-G

Package : SOIC-8

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Product Overview

The Supertex HT0440 is a dual, high voltage, isolated MOSFET driver utilizing Supertexs proprietary HVCMOS technology. It is designed to drive discrete MOSFETs configured as bidirectional or unidirectional switches, capable of driving N-channel MOSFETs as high-side switches up to 400V. The device generates two independent DC isolated voltages to the outputs (VOUTA and VOUTB) when logic inputs A and B are at logic high. The internal clock can be disabled by an external clock signal to the CLK pin, allowing for tailored power dissipation and AC characteristics. The HT0440 requires no external power supplies, as the internal supply voltage is derived from the logic inputs A or B when they are at logic high.

Product Attributes

Brand: Supertex inc.
Website: www.supertex.com
Technology: HVCMOS
Certifications: RoHS compliant package (-G denotes lead-free / RoHS compliant)

Technical Specifications

Parameter	Value	Conditions
Input to output isolation voltage (VISO)	±400V	---
Output to output isolation voltage (VCISO)	±700V	---
Logic input voltage (VA, VB)	-0.5 to +7.0V	---
Maximum junction temperature	+125°C	---
Storage temperature	-55°C to +150°C	---
External clock frequency (CLK)	0.5 - 2.0 MHz	---
Clock input high voltage (VIHCLK)	3.15 - 5.5V	---
Clock input low voltage (VILCLK)	0 - 0.5V	---
Logic input high voltage (VIH)	3.15 - 5.5V	---
Logic input low voltage (VIL)	0 - 0.5V	---
Operating temperature (TA)	-40 to +85 °C	---
Turn-ON delay time (td(ON))	- - 50 µs	CLK = 0V, CL = 600pF
Rise time (tr)	- - 650 µs	See timing diagram and test circuit
Turn-OFF delay time (td(OFF))	- - 150 µs	---
Fall time (tf)	- - 3.0 ms	---
Total logic high input current (IHA + IHB)	- - 300 µA	VA = 3.5V, VB = 3.5V, CLK = 0V
Total logic high input current (IHA + IHB)	- - 500 µA	VA = 3.5V, VB = 3.5V, CLK = 500kHz
Total logic high input current (IHA + IHB)	- - 2.0 mA	VA = 3.5V, VB = 3.5V, CLK = 2.0MHz
Total logic high input current (IHA + IHB)	- - 1.0 mA	VA = 5.5V, VB = 5.5V, CLK = 0V
Total logic high input current (IHA + IHB)	- - 2.0 mA	VA = 5.5V, VB = 5.5V, CLK = 500kHz
Output voltage (VOUTA, VOUTB)	6.0 - - V	VA = 3.15V, VB = 3.15V, CLK = 0V, no load
Output voltage (VOUTA, VOUTB)	5.0 - - V	VA = 3.15V, VB = 3.15V, CLK = 500kHz, no load
Output voltage (VOUTA, VOUTB)	6.0 - - V	VA = 3.15V, VB = 3.15V, CLK = 2.0MHz, no load
Output voltage (VOUTA, VOUTB)	10.0 - - V	VA = 4.5V, VB = 4.5V, CLK = 0V, no load
Output voltage (VOUTA, VOUTB)	8.0 - - V	VA = 4.5V, VB = 4.5V, CLK = 500kHz, no load
Logic low input A current (IILA)	- - 10 µA	VA = 0.5V, VB = high
Logic low input B current (IILB)	- - 10 µA	VA = high, VB = 0.5V
Quiescent current (IILQ)	- - 10 µA	VA = 0.5V, VB = 0.5V
Typical Thermal Resistance (10-Lead DFN)	40 °C/W	θja
Typical Thermal Resistance (8-Lead SOIC)	101 °C/W	θja

2410121621_MICROCHIP-HT0440LG-G_C622888.pdf

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