ADUM5230 datasheet(1/14 Pages) AD

部品番号	ADUM5230

部品情報	Isolated Half-Bridge Driver with Integrated High-Side Supply

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Isolated Half-Bridge Driver

with Integrated High-Side Supply

ADuM5230

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother

rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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

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

Adjustable 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

VDD1 7

VDDB

10

GND1 8

VOB

9

VDD1

3

GNDISO

14

VADJ

4

NC

13

VIA 5

NC

12

DECODE

ENCODE

VIB 6

GNDB

11

DECODE

ENCODE

1

VOA

16

GND1

2

VISO

15

ISOLATED

DC/DC

CONVERTER

╓

╜

╓

╜

╓

╜

╓

╜

NC = NO CONNECT

ADuM5230

Figure 1.

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