HT0740
High-Voltage Isolated MOSFET Driver
Features
General Description
•
•
•
•
•
The HT0740 is a single-channel high-voltage low input
current isolated driver that uses the HVCMOS®
technology. It is designed to drive discrete MOSFETs
configured as high-side switches up to 400V. The
HT0740 generates an independent DC-isolated
voltage across +VOUT and –VOUT when the logic input
is at a logic high. The HT0740 does not require any
external power supplies. The internal supply voltage is
provided by the logic input when it is in high state.
±400V Input to Output Isolation
Low Input Logic Current, 500 µA (Maximum)
No External Voltage Supply Required
Floating Isolated Output Drivers
5V Logic Compatible
Applications
•
•
•
•
•
•
•
Telecommunications
Modems
Solid State Relays
High-side Switches
High-end Audio Switches
Avionics
Automatic Test Equipment
Package Type
8-lead SOIC
(Top view)
VIN
1
8
NC
NC
2
7
GND
-VOUT
3
6
NC
+VOUT
4
5
NC
See Table 2-1 for pin information.
2016 Microchip Technology Inc.
DS20005628A-page 1
HT0740
Functional Block Diagram
Isolation Barrier
1
VIN
4
Logic
&
Internal
Clock
R
Driver
10R
+
VOUT
-
R
7
GND
VISO
3
R = 158kΩ ± 47%
DS20005628A-page 2
2016 Microchip Technology Inc.
HT0740
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings†
Input to Output Isolation Voltage, VISO................................................................................................................. ±400V
Logic Input Voltage, VIN ..............................................................................................................................–0.5V to +7V
Operating Ambient Temperature, TA ......................................................................................................–40°C to +85°C
Storage Temperature, TS ......................................................................................................................–55°C to +150°C
† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only, and functional operation of the device at those or any other conditions above those
indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for
extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Parameter
Sym.
Min.
Typ.
Max.
Unit
Logic Input High Voltage
VIH
3.15
—
5.5
V
Logic Input Low Voltage
VIL
0
—
0.5
V
Operating Ambient
Temperature
TA
–40
—
+85
°C
Conditions
DC ELECTRICAL CHARACTERISTICS
Electrical Specifications: TA = 25°C unless otherwise indicated.
Parameter
Sym.
Min.
Typ.
Max.
Unit
Logic High Input Current
IH
—
—
500
µA
VIN = 5V
Logic Low Input Current
(Quiescent)
IL
—
—
10
µA
VIN = 0.5V
4.5
—
—
V
VIN = 3.15V, no load
8.5
—
—
V
VIN = 4.5V, no load
No load
Output Voltage Across Output
Terminals
VOUT
Input Voltage for Zero Output
VIN
—
—
0.8
V
Input to Output Isolation
Voltage
VISO
±400
—
—
V
Conditions
AC ELECTRICAL CHARACTERISTICS
Electrical Specifications: TA = 25°C unless otherwise indicated.
Parameter
Turn-on Delay Time
Rise Time
Turn-off Delay Time
Fall Time
2016 Microchip Technology Inc.
Sym.
Min.
Typ.
Max.
Unit
td(ON)
—
—
50
µs
tr
—
—
650
µs
td(OFF)
—
—
150
µs
tf
—
—
3
ms
Conditions
See Figure 3-1 and Figure 3-2.
CL = 600 pF, TA = 25 °C
DS20005628A-page 3
HT0740
TEMPERATURE SPECIFICATIONS
Parameter
Sym.
Min.
Typ.
Max.
Unit
Operating Ambient Temperature
TA
–40
—
+85
°C
Storage Temperature
TS
–55
—
+150
°C
JA
—
101
—
°C/W
Conditions
TEMPERATURE RANGE
PACKAGE THERMAL RESISTANCE
8-lead SOIC
DS20005628A-page 4
2016 Microchip Technology Inc.
HT0740
2.0
PIN DESCRIPTION
The details on the pins of HT0740 are listed on
Table 2-1. Refer to Package Type for the location of
pins.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
Pin Name
Description
1
VIN
Logic input
2
NC
No connect
3
–VOUT
Negative output
4
+VOUT
5
NC
No connect
Positive output
6
NC
No connect
7
GND
8
NC
Ground
No connect
2016 Microchip Technology Inc.
DS20005628A-page 5
HT0740
3.0
FUNCTIONAL DESCRIPTION
4.5V
VIN
50%
50%
0V
90%
90%
10%
VOUT
10%
td(OFF) tf
td(ON) tr
FIGURE 3-1:
Timing Waveforms.
4.5V
1
0V
VIN
+
4
VOUT
7
GND
-
VOUT
CL = 600pF
3
HT0740
FIGURE 3-2:
DS20005628A-page 6
Test Circuit.
2016 Microchip Technology Inc.
HT0740
4.0
PACKAGING INFORMATION
4.1
Package Marking Information
8-lead SOIC
Example
XXXXXXXX
e3 YYWW
NNN
HT0740LG
e3 1620
789
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
Product Code or Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for product code or customer-specific information. Package may or
not include the corporate logo.
2016 Microchip Technology Inc.
DS20005628A-page 7
HT0740
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
DS20005628A-page 8
2016 Microchip Technology Inc.
HT0740
APPENDIX A:
REVISION HISTORY
Revision A (October 2016)
• Converted Supertex Doc# DSFP-HT0740 to
Microchip DS20005628A
• Changed the packaging quantity of the 8-lead
SOIC LG from 2500/Reel to 3300/Reel
• Made minor text changes throughout the document
2016 Microchip Technology Inc.
DS20005628A-page 9
HT0740
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
PART NO.
Device
XX
-
Package
Options
X
-
Environmental
X
Media Type
Device:
HT0740
=
High-Voltage Isolated MOSFET
Driver
Package:
LG
=
8-lead SOIC
Environmental:
G
=
Lead (Pb)-free/RoHS-compliant Package
Media Type:
(blank)
=
3300/Reel for an LG Package
DS20005628A-page 10
Example:
a)
HT0740LG-G: High-Voltage Isolated MOSFET
Driver, 8-lead SOIC Package,
3300/Reel
2016 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
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OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
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suits, or expenses resulting from such use. No licenses are
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Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
QUALITY MANAGEMENT SYSTEM
CERTIFIED BY DNV
== ISO/TS 16949 ==
2016 Microchip Technology Inc.
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The Microchip name and logo, the Microchip logo, AnyRate,
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are registered trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries.
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© 2016, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
ISBN: 978-1-5224-1004-1
DS20005628A-page 11
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DS20005628A-page 12
2016 Microchip Technology Inc.