DCV010512DP_技术文档

®

DCV01

Series

DCV01

For most current data sheet and other product

information, visit www.burr-brown.com

Miniature, 1W, 1500Vrms Isolated

UNREGULATED DC/DC CONVERTERS

DESCRIPTION

FEATURES

The DCV01 series is a family of 1W, 1500Vrms

isolated, unregulated DC/DC converters. Requiring a

minimum of external components and including on-

chip device protection, the DCV01 series provides

extra features such as output disable and synchroniza-

tion of switching frequencies.

● UP TO 85% EFFICIENCY

● THERMAL PROTECTION

● DEVICE-TO-DEVICE SYNCHRONIZATION

● SHORT-CIRCUIT PROTECTION

● EN55022 CLASS B EMC PERFORMANCE

● UL1950 RECOGNIZED COMPONENT

● JEDEC PDIP-14 AND GULL-WING PACKAGES

The use of a highly integrated package design results

in highly reliable products with a power density of

40W/in³(2.4W/cm³). This combination of features,

high isolation, and small size makes the DCV01 suit-

able for a wide range of applications.

APPLICATIONS

● INDUSTRIAL CONTROL AND

INSTRUMENTATION

● POINT-OF-USE POWER CONVERSION

● GROUND LOOP ELIMINATION

● DATA ACQUISITION

● TEST EQUIPMENT

● SECONDARY ISOLATION CIRCUITS

SYNC_OUT

÷ 2

Reset

800kHz

Oscillator

V_OUT

Power

Stage

0V

Watch-dog/

start-up

SYNC_IN

PSU

Thermal

Shutdown

I_BIAS

V_S

Power Controller IC

0V

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111

Twx: 910-952-1111

•

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

®

Printed in U.S.A. August, 2000

^PDS-1^1592B

DCV01

SBVS014

SPECIFICATIONS

At T_A= +25°C, unless otherwise specified.

DCV01 SERIES

TYP

PARAMETER

CONDITIONS

MIN

MAX

UNITS

OUTPUT

Power

Ripple

100% Full Load

O/P Capacitor = 1µF, 50% Load

Room to Cold

0.97

20

0.046

0.016

W

mVp-p

%/°C

Voltage vs Temp

Room to Hot

INPUT

Voltage Range on V_S

–10

10

%

ISOLATION

Voltage

1s Flash Test

60s Test, UL1950⁽¹⁾

1.5

kVrms

LINE

Regulation

1

%/1% of V_S

SWITCHING/SYNCHRONIZATION

Oscillator Frequency (f_OSC

Sync Input Low

Sync Input Current

Disable Time

Capacitance Loading on SYNC_INPin

)

Switching Frequency = f_OSC/2

V_SYNC= +2V

800

kHz

V

µA

µs

pF

0

0.4

75

2

External

3

RELIABILITY

Demonstrated

T_A= +55°C

75

FITS

THERMAL SHUTDOWN

IC Temperature at Shutdown

Shutdown Current

150

3

°C

mA

TEMPERATURE RANGE

Operating

–40

+85

°C

INPUT

OUTPUT

LOAD

NO LOAD

BARRIER

LEAKAGE

VOLTAGE (V)

REGULATION (%)

CURRENT (mA)

EFFICIENCY (%) CAPACITANCE (pF)

CURRENT (µA)

V_S

V_NOM

I_Q

C_ISO

75% LOAD⁽²⁾

10% TO 100% LOAD⁽³⁾

0% LOAD

100% LOAD

TYP

V_ISO= 750Vrms

TYP

V_ISO= 750Vrms

TYP

PRODUCT

MIN

TYP

MAX

MIN

TYP

MAX

TYP

MAX

TYP

DCV010505

DCV010505D⁽⁴⁾

4.5

5

5.5

4.75

±4.75

11.4

5

5.25

23

19

23

19

30

27

11

12

13

12

31

32

38

37

42

41

39

23

35

20

23

30

40

34

42

19

20

14

17

78

80

85

82

84

85

78

79

77

76

3.6

3.8

5.1

4.0

3.8

4.7

4.2

3.8

5.3

0.9

1.2

1.0

0.9

1.1

1.0

0.9

1.3

±5

12

±5.25

12.6

DCV010512

4.5

5

5.5

DCV010512D

DCV010515

4.5

5

5.5

±11.4

14.25

±14.25

±11.4

±14.25

4.75

±12

15

±12.6

15.75

±15.75

±12.6

±15.75

5.25

4.5

5

5.5

DCV010515D

DCV011512D⁽⁴⁾

DCV011515D⁽⁴⁾

DCV012405⁽⁴⁾

DCV012415D⁽⁴⁾

4.5

5

5.5

±15

±12

±15

5

13.5

21.6

15

24

16.5

26.4

±14.25

±15

±15.75

NOTES: (1) During UL1950 recognition tests only, UL File #E199929. (2) 100% Load Current = 1W/V_NOMTYP. (3) Load regulation = (V_OUTat 10% – V_OUTat 100%)/ V_OUTat 75%. (4) Scheduled availability

Q4 2000.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.

®

2

DCV01

ABSOLUTE MAXIMUM RATINGS

ELECTROSTATIC

DISCHARGE SENSITIVITY

This integrated circuit can be damaged by ESD. Burr-Brown

recommends that all integrated circuits be handled with

appropriate precautions. Failure to observe proper handling

and installation procedures can cause damage.

Input Voltage:

5V Input Models .................................................................................. 7V

15V Input Models .............................................................................. 18V

24V Input Models .............................................................................. 29V

Storage Temperature ...................................................... –60°C to +125°C

Lead Temperature (soldering, 10s) ................................................. 270°C

ORDERING INFORMATION

ESD damage can range from subtle performance degrada-

tion to complete device failure. Precision integrated circuits

may be more susceptible to damage because very small

parametric changes could cause the device not to meet its

published specifications.

(

)

(D )

DCV01

05

Basic Model Number: 1W Product

Voltage Input:

5V In

Voltage Output:

5V Out

Dual Output:

Package Code:

P = PDIP-14

P-U = PDIP-14 Gull-Wing

PACKAGE/ORDERING INFORMATION

PACKAGE

DRAWING

NUMBER

SPECIFIED

TEMPERATURE

RANGE

PACKAGE

MARKING

ORDERING

NUMBER⁽¹⁾

TRANSPORT

MEDIA

PRODUCT

PACKAGE

Single

DCV010505P

DCV010505P-U

DCV010512P

DCV010512P-U

DCV010515P

DCV010515P-U

DCV012405P⁽²⁾

DCV012405P-U⁽²⁾

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

010-1

010-2

010-1

010-2

010-1

010-2

010-1

010-2

–40°C to +85°C

DCV010505P

DCV010505P-U

DCV010512P

DCV010512P-U

DCV010515P

DCV010515P-U

DCV012405P

DCV012405P-U

DCV010505P

DCV010505P-U/700

DCV010512P

DCV010512P-U/700

DCV010515P

DCV010515P-U/700

DCV012405P

DCV012405P-U/700

Rails

Tape and Reel

Rails

Tape and Reel

Rails

Tape and Reel

Rails

Dual

DCV010505DP⁽²⁾

DCV010505DP-U⁽²⁾

DCV010512DP

DCV010512DP-U

DCV010515DP

DCV010515DP-U

DCV011512DP⁽²⁾

DCV011512DP-U⁽²⁾

DCV011515DP⁽²⁾

DCV011515DP-U⁽²⁾

DCV012415DP⁽²⁾

DCV012415DP-U⁽²⁾

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

Gull-Wing-14

DIP-14

010-1

010-2

010-1

010-2

010-1

010-2

010-1

010-2

010-1

010-2

010-1

010-2

–40°C to +85°C

DCV010505DP

DCV010505DP-U

DCV010512DP

DCV010512DP-U

DCV010515DP

DCV010515DP-U

DCV011512DP

DCV011512DP-U

DCV011515DP

DCV011515DP-U

DCV012415DP

DCV012415DP-U

DCV010505DP

DCV010505DP-U/700

DCV010512DP

DCV010512DP-U/700

DCV010515DP

DCV010515DP-U/700

DCV011512DP

DCV011512DP-U/700

DCV011515DP

Rails

Tape and Reel

Rails

Tape and Reel

Rails

Tape and Reel

Rails

Tape and Reel

Rails

DCV011515DP-U/700

DCV012415DP

DCV012415DP-U/700

Tape and Reel

Rails

Tape and Reel

NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /700 indicates 700 devices per reel). Ordering 700 pieces

of “DCP010505BP-U/700” will get a single 700-piece Tape and Reel. (2) Scheduled availability Q4 2000.

®

3

DCV01

PIN CONFIGURATION (Single-DIP and Gull-Wing)

PIN CONFIGURATION (Dual-DIP and Gull-Wing)

Top View

DIP

Top View

DIP

1

2

14 SYNC_IN

V_S

0V

1

2

14 SYNC_IN

V_S

0V

DCV01D

DCV01

5

6

7

0V

+V_OUT

NC

5

6

7

0V

+V_OUT

–V_OUT

8

SYNC_OUT

8

SYNC_OUT

PIN DEFINITION (Single-DIP)

PIN DEFINITION (Dual-DIP)

PIN #

PIN NAME

DESCRIPTION

PIN #

PIN NAME

DESCRIPTION

1

2

5

6

7

8

14

V_S

0V

Voltage Input

1

2

5

6

7

8

14

V_S

0V

Voltage Input

Input Side Common

Output Side Common

+Voltage Out

Not Connected

Unrectified Transformer Output

Synchronization Pin

Input Side Common

Output Side Common

+Voltage Out

–Voltage Out

Unrectified Transformer Output

Synchronization Pin

+V_OUT

NC

SYNC_OUT

SYNC_IN

+V_OUT

–V_OUT

SYNC_OUT

SYNC_IN

®

4

DCV01

TYPICAL PERFORMANCE CURVES

At T_A= +25°C, unless otherwise noted.

DCV010505

OUTPUT RIPPLE vs LOAD (20MHz BW)

50

DCV010512D V_OUTvs LOAD

14.5

14.0

13.5

13.0

12.5

12.0

11.5

11.0

10.5

10.00

1µF Ceramic

4.7µF Ceramic

10µF Ceramic

45

40

35

30

25

20

15

10

5

+V_OUT

–V_OUT

0

10

20

30

40

50

60

70

80

90 100

10

20

30

40

50

60

70

80

90 100

Load (%)

DCV010512D EFFICIENCY vs LOAD

DCV010515D V_OUTvs LOAD

85

80

75

70

65

60

55

50

18

17

16

15

14

+V_OUT

–V_OUT

30

40

50

60

70

80

30

40

50

60

70

80

90 100

Load (%)

DCV010515D EFFICIENCY vs LOAD

DCV012405 V_OUTvs LOAD

90

85

80

75

70

65

60

55

50

5.60

5.50

5.40

5.30

5.20

5.10

5.00

4.90

4.80

30

40

50

60

70

80

30

40

50

60

70

80

100

Load (%)

®

5

DCV01

TYPICAL PERFORMANCE CURVES (Cont.)

At T_A= +25°C, unless otherwise noted.

DCV010505

DCV012405 EFFICIENCY vs LOAD

CONDUCTED EMISSIONS (125% Load)

60

50

90

80

70

60

50

40

30

20

10

0

40

30

20

10

0

–10

–20

10

20

30

40

50

60

70

80

90

100

0.15

1

10

30

Load (%)

Frequency (MHz)

DCV010505

CONDUCTED EMISSIONS (8% Load)

60

50

40

30

20

10

0

–10

–20

0.15

1

10

30

Frequency (MHz)

®

6

DCV01

switching frequency, or even stopping the oscillator circuit.

FUNCTIONAL DESCRIPTION

If synchronized devices are used, it should be noted that, at

start up, all devices will draw maximum current simulta-

neously. This can cause the input voltage to dip and should

it dip below the minimum input voltage (4.5V), the devices

may not start up. A 2.2µF capacitor should be connected

close to the input pins.

OVERVIEW

The DCV01 offers up to 1W of unregulated output power

with a typical efficiency of up to 85%. This is achieved

through highly integrated packaging technology and the

implementation of a custom power stage and control IC. The

circuit design utilizes an advanced BiCMOS/DMOS pro-

cess. Separate primary and secondary transformer windings

give good isolation and low barrier capacitance.

If more than eight devices are to be synchronized, it is

recommended that the SYNC_INpins are driven by an exter-

nal device. Details are contained in a separate applications

bulletin (AB-153).

POWER STAGE

This uses a push-pull, center-tapped topology switching at

400kHz (divide by 2 from 800kHz oscillator).

CONSTRUCTION

The DCV01’s basic construction is the same as standard ICs.

There is no substrate within the molded package. The

DCV01 is constructed using an IC, rectifier diodes, and a

wound magnetic toroid on a leadframe. As there is no solder

within the package, the DCV01 does not require any special

PCB assembly processing. This results in an isolated

DC/DC converter with inherently high reliability.

OSCILLATOR AND WATCHDOG

The onboard 800kHz oscillator generates the switching

frequency via a divide by 2 circuit. The oscillator can be

synchronized to other DCV01 circuits or an external source,

and is used to minimize system noise.

A watchdog circuit checks the operation of the oscillator

circuit. The oscillator can be stopped by pulling the SYNC_IN

pin LOW. The output pins will be tri-stated. This will occur

in 2µs.

ADDITIONAL FUNCTIONS

DISABLE/ENABLE

The DCV01 can be disabled or enabled by driving the SYNC

pin using an open drain CMOS gate. If the SYNC_INpin is

pulled low, the DCV01 will be disabled. The disable time

depends upon the external loading; the internal disable func-

tion is implemented in 2µs. Removal of the pull down will

cause the DCV01 to be enabled.

THERMAL SHUTDOWN

The DCV01 is protected by a thermal shutdown circuit. If the

on-chip temperature exceeds 150°C, the device will shut

down. Once the temperature falls below 150°C, normal

operation will resume.

Capacitive loading on the SYNC_INpin should be minimized

in order to prevent a reduction in the oscillator frequency.

SYNCHRONIZATION

In the event that more than one DC/DC converter is needed

onboard, beat frequencies and other electrical interference

can be generated. This is due to the small variations in

switching frequencies between the DC/DC converters.

DECOUPLING

Ripple Reduction

The high switching frequency of 400kHz allows simple

filtering. To reduce ripple, it is recommended that at least a

1µF capacitor is used on V_OUT. Dual outputs should both be

decoupled to pin 5. A 2.2µF low ESR capacitor on the input

of the 5V in versions, and a 0.47µF low ESR cap on the 24V

DCV01 in versions is recommended.

The DCV01 overcomes this by allowing devices to be

synchronized to one another. Up to eight devices can be

synchronized by connecting the SYNC_INpins together, tak-

ing care to minimize the capacitance of tracking. Stray

capacitance (> 3pF) will have the effect of reducing the

V_SUPPLY

V_{OUT 1}

V_S

SYNC_IN

0V

DCV

01

0V

V_OUT1+ V_{OUT 2}

V_S

V_{OUT 2}

DCV

01

SYNC_IN

0V

COM

FIGURE 1. Connecting the DCV01 in Series.

®

7

DCV01

The DCV01 is a switching power supply and as such can

place high peak current demands on the input supply. In

order to avoid the supply falling momentarily during the fast

switching pulses ground and power planes should be used to

track the power to the input of DCV01. If this is not possible

then the supplies must be connected in a star formation with

the tracks made as wide as possible.

Connecting the DCV01 in Series

Multiple DCV01 isolated 1W DC/DC converters can be

connected in series to provide nonstandard voltage rails.

This is possible by utilizing the floating outputs provided by

the DCV01’s galvanic isolation.

Connect the positive V_OUTfrom one DCV01 to the negative

V_OUT(0V) of another (see Figure 1). If the SYNC_INpins are

tied together, the self-synchronization feature of the DCV01

will prevent beat frequencies on the voltage rails. The

SYNC_INfeature of the DCV01 allows easy series connec-

tion without external filtering, minimizing cost.

If the SYNC_INpin is being used then the tracking between

device SYNC_INpins should be short to avoid stray capaci-

tance. If the SYNC_INpin is not being used it is advisable to

place a guard ring, (connected to input ground) around this

pin to avoid any noise pick up.

The outputs on dual output DCV01 versions can also be

connected in series to provide two times the magnitude of

V_OUTas shown in Figure 2. For example, a dual 15V DCV01

could be connected to provide a 30V rail.

The output should be taken from the device using ground

and power planes, this will ensure minimum losses.

A good quality low ESR capacitor placed as close as

practicable across the input will reduce reflected ripple and

ensure a smooth start up.

Connecting the DCV01 in Parallel

If the output power from one DCV01 is not sufficient, it is

possible to parallel the outputs of multiple DCV01s, as

shown in Figure 3. Again, the SYNC_INfeature allows easy

synchronization to prevent power-rail beat frequencies at no

additional filtering cost.

A good quality low ESR capacitor placed as close as

practicable across the rectifier output terminal and output

ground will give the best ripple and noise performance.

THERMAL MANAGEMENT

Due to the high power density of this device it is advisable

to provide ground planes on the input and output.

PCB LAYOUT

Ripple and Noise

Careful consideration should be given to the layout of the

PCB in order that the best results can be obtained.

V_SUPPLY

+V_OUT

V_S

+V_OUT

–V_OUT

0V

DCV

01

–V_OUT

0V

COM

FIGURE 2. Connecting Dual Outputs in Series.

V_SUPPLY

V_OUT

V_S

SYNC_IN

0V

DCV

01

0V

2 x Power Out

V_S

V_OUT

01

SYNC_IN

0V

COM

FIGURE 3. Connecting Multiple DCV01s in Parallel.

®

8

DCV01

PACKAGE OPTION ADDENDUM

www.ti.com

25-Aug-2005

PACKAGING INFORMATION

Orderable Device

Status ⁽¹⁾

Package Package

Pins Package Eco Plan ⁽²⁾Lead/Ball Finish MSL Peak Temp ⁽³⁾

Qty

Type

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

PDIP

SOP

Drawing

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

NVA

DUA

DCV010505DP

DCV010505DP-U

DCV010505DP-U/700

DCV010505P

ACTIVE

7

25

TBD

CU SNPB

Level-NA-NA-NA

Level-3-240C-168 HR

Level-NA-NA-NA

700

25

DCV010505P-U

25

Level-3-240C-168 HR

Level-NA-NA-NA

DCV010505P-U/700

DCV010512DP

700

25

DCV010512DP-U

DCV010512DP-U/700

DCV010512P

25

Level-3-240C-168 HR

Level-NA-NA-NA

700

25

DCV010512P-U

25

Level-3-240C-168 HR

Level-NA-NA-NA

DCV010512P-U/700

DCV010515DP

700

25

DCV010515DP-U

DCV010515DP-U/700

DCV010515P

25

Level-3-240C-168 HR

Level-NA-NA-NA

700

25

DCV010515P-U

25

Level-3-240C-168 HR

DCV010515P-U/700

DCV011512DP

700

25

CU NIPDAU Level-NA-NA-NA

DCV011512DP-U

DCV011512DP-U/700

DCV011515DP

25

CU NIPDAU Level-3-240C-168 HR

700

25

CU SNPB

Level-NA-NA-NA

DCV011515DP-U

DCV011515DP-U/700

DCV012405P

25

Level-3-240C-168 HR

Level-NA-NA-NA

700

25

DCV012405P-U

25

Level-3-240C-168 HR

Level-NA-NA-NA

DCV012405P-U/700

DCV012415DP

700

25

DCV012415DP-U

DCV012415DP-U/700

25

Level-3-235C-168 HR

700

⁽¹⁾The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in

a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

(2)

Eco Plan

-

The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS

&

no Sb/Br)

-

please check

http://www.ti.com/productcontent for the latest availability information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.

Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements

for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered

at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame

retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

Addendum-Page 1

PACKAGE OPTION ADDENDUM

www.ti.com

25-Aug-2005

(3)

MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder

temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is

provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the

accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take

reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on

incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited

information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI

to Customer on an annual basis.

Addendum-Page 2

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,

enhancements, improvements, and other changes to its products and services at any time and to discontinue

any product or service without notice. Customers should obtain the latest relevant information before placing

orders and should verify that such information is current and complete. All products are sold subject to TI’s terms

and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in

accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI

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www.ti.com/audio

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dataconverter.ti.com

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dsp.ti.com

Broadband

Digital Control

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www.ti.com/broadband

www.ti.com/digitalcontrol

www.ti.com/military

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interface.ti.com

logic.ti.com

Power Mgmt

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power.ti.com

Optical Networking

Security

www.ti.com/opticalnetwork

www.ti.com/security

www.ti.com/telephony

www.ti.com/video

microcontroller.ti.com

Telephony

Video & Imaging

Wireless

www.ti.com/wireless

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型号：	DCV010512DP
厂家：	BURR-BROWN CORPORATION
描述：	Miniature, 1W, 1500Vrms Isolated UNREGULATED DC/DC CONVERTERS 微型1W ， 1500VRMS隔离非稳压DC / DC转换器转换器电源电路光电二极管 CD
文件：	总11页 (文件大小：150K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

DCV010512DP [BB]

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