HT0740 Supertex, Inc., HT0740 Datasheet

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HT0740

Manufacturer Part Number
HT0740
Description
High Voltage, Isolated Mosfet Driver
Manufacturer
Supertex, Inc.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HT0740LG
Manufacturer:
SUPEREX
Quantity:
20 000
Features
Applications
Block Diagram
±400V input to output isolation
Low input logic current, 500µA max
No external voltage supply required
Floating isolated output drivers
5.0V logic compatible
Telecommunications
Modems
Solid state relays
High side switches
High end audio switches
Avionics
ATE
GND
VIN
High Voltage, Isolated MOSFET Driver
1
7
Logic &
Internal
Clock
Isolation
Barrier
V
ISO
General Description
The Supertex HT0740 is a single channel, high voltage, low
input current, isolated driver utilizing Supertex’s proprietary
HVCMOS
MOSFETs, confi gured as high side switches, up to 400V.
The HT0740 generates an independent DC isolated voltage
across the pair of outputs when the logic input is at a logic
high. The HT0740 does not require any external power
supplies. The internal supply voltage is supplied from the
logic input when it is in the high state.
Driver
®
technology. It is designed to drive discrete
10R
R
R
4
3
VOUT
+
HT0740

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HT0740 Summary of contents

Page 1

... Block Diagram 1 VIN 7 GND General Description The Supertex HT0740 is a single channel, high voltage, low input current, isolated driver utilizing Supertex’s proprietary HVCMOS ® technology designed to drive discrete MOSFETs, confi gured as high side switches 400V. The HT0740 generates an independent DC isolated voltage across the pair of outputs when the logic input logic high ...

Page 2

... Min Typ - - - - - - - - Min Typ 3. - VIN GND 2 HT0740 7 –VOUT +VOUT HT0740 (Top View) Max Units Conditions 500 µ 5. µ 0. 3.15V, no load 4.5V, no load IN 0 load - V --- Max Units Conditions 50 µs See timing diagram and test 650 µ ...

Page 3

... Timing Diagram 4. OUT Test Circuit 4.5V 0V 50% 50% 90% 10 d(ON) r d(OFF VIN + VOUT GND HT0740 3 HT0740 90% 10 OUT = C L 600pF ...

Page 4

... SOIC (Narrow Body) LG Package Outline 6.00 ± 0.20 3.90 ± 0.10 1.75 MAX 0.10 - 0.25 (The package drawing(s) in this data sheet may not refl ect the most current specifi cations. For the latest package outline information go to http://www.supertex.com/packaging.html.) Doc.# DSFP-HT0740 A040207 4.90 ± 0.10 8 Notes: 1. All dimensions in millimeters. Angles in degrees. Note 2 2 ...

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