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دیتاشیت - Analog Devices - Isolated Half-Bridge Driver

شماره قطعه ADUM5230
شرح مفصل Isolated Half-Bridge Driver
تولید کننده Analog Devices 
آرم Analog Devices 


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ADUM5230 شرح
Isolated Half-Bridge Driver
with Integrated High-Side Supply
ADuM5230
FEATURES
Integrated, isolated high-side supply
150 mW of secondary side power
Isolated high-side and low-side outputs
100 mA output source current, 300 mA output sink current
High common-mode transient immunity: >25 kV/μs
High temperature operation: 105°C
www.DataSheeAt4dUju.csotmable power level
Wide body 16-lead SOIC package
Safety and regulatory approvals (pending)
UL recognition: 2500 V rms for 1 minute per UL1577
APPLICATIONS
MOSFET/IGBT gate drive
Plasma display modules
Motor drives
Power supplies
Solar panel inverters
GENERAL DESCRIPTION
The ADuM52301 is an isolated half-bridge gate driver that
employs Analog Devices, Inc., iCoupler® technology to provide
independent and isolated high-side and low-side outputs.
Combining CMOS and microtransformer technologies, this
isolation component contains an integrated dc-to-dc converter
providing an isolated high-side supply. This eliminates the cost,
space, and performance difficulties associated with external
supply configurations such as a bootstrap circuitry. This high-
side isolated supply powers not only the ADuM5230 high-side
output but also any external buffer circuitry used with the
ADuM5230.
In comparison to gate drivers employing high voltage level
translation methodologies, the ADuM5230 offers the benefit
of true, galvanic isolation between the input and each output.
Each output can operate up to ±700 VP relative to the input,
thereby supporting low-side switching to negative voltages.
The differential voltage between the high-side and low-side
may be as high as 700 VP.
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; 7,075,329; other
pending patents.
FUNCTIONAL BLOCK DIAGRAM
GND1 1
VDD1 2
VADJ 3
ISOLATED
DC/DC
CONVERTER
GND1 4
VIA 5
VIB 6
ENCODE
ENCODE
DECODE
DECODE
VDD1 7
GND1 8
ADuM5230
NC = NO CONNECT
Figure 1.
16 VOA
15 VISO
14 GNDISO
13 NC
12 NC
11 GNDB
10 VDDB
9 VOB
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.

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