LS380_技术文档

T A IY O Y U D E N

LC D B a c klig h t Drive r

M o d e l

LS 38 0

12 Vo lt In p u t

S in g le Tu b e C C FT In ve rte r

Brig h tn e s s C o n tro l

P h ys ic a l S p e c ific a tio n s

Dim e ns io ns :

2 0 m m x 8 5 m m x 7.3 m m

(0 .78 7" x 3 .3 5 " x 0 .2 8 7")

We ig ht:

10 g (0 .3 5 2 o z.)

Op e ra ting Te m p :

Re la tive Hum id ity:

Sto ra g e :

0 to 5 5 °C, c o nve c tio n c o o ling

2 0 % to 9 0 %, no n-c o nd e ns ing

-2 0 to 8 5 °C/5 -9 5 % RH

5 0 G ha lf w a ve p e r 2 m s e c

Im p a c t Re s is ta nc e :

Vib ra tio n Re s is ta nc e : 10 -5 5 -10 Hz/m in @ 1.5 m m

In p u t S p e c ific a tio n s *

It e m

C o n d it io n

S t a n d a r d

Inp ut Vo lta g e

Ra te d

—

12 Vd c

10 Vd c - 16 Vd c

To le ra nc e

Co ntinuo us Op e ra tio n

Sta rting Co nd itio n (Dis c ha rg e Sta rting Vo lta g e ) 10 Vd c - 16 Vd c

Ma x. Inp ut Curre nt

Inp ut Curre nt

V

IN = 10 Vd c

0 .4 A

Lum ina nc e @ Ma x.

Co ntro l te rm ina l

H = (VIN

)

3 .0 µA (La m p Off)

VIN = 16 Vd c

Ma x. Rus h Curre nt

Ma x. Inp ut Po w e r

V

IN = 16 Vd c

3 .0 A /0 .3 m S

ze ro -p

Lum ina nc e @ Ma x.

VIN = 10 Vd c

4 .0 W

Lum ina nc e @ Ma x.

Co ntro l Te rm ina l

Inp ut Curre nt

Co ntro l Te rm ina l

L = 0 .0 - 0 .4 Vd c

ILOW = -0 .4 m A

(La m p Lig hting )

VIN = 16 Vd c

Co ntro l Te rm ina l

H = Op e n

—

(La m p Off)

*Ab o ve s p e c ific a tio ns o c c ur @ 2 5 ± 5 ºC.

O u tp u t S p e c ific a tio n s *

It e m

C o n d it io n

S t a n d a r d

M IN

T YP

M A X

Outp ut Vo lta g e (Vrm s )

Tub e Curre nt (m Arm s )

V

IN = 12 Vd c

—

15 0 0

—

Lum ina nc e @ Ma x.

Lum ina nc e @ Min.

5 .5

—

6 .5

3 .0

7.5

—

Ma x. Po w e r Outp ut (W)

V

IN = 5 .0 Vd c /Lum ina nc e @ Ma x.

—

3 0

—

2 .7

5 0

—

Ig nitio n Fre q ue nc y (kHz)

Lum ina nc e @ Ma x.

4 0

8 0

DC/DC Co nve rte r Fre q ue nc y (kHz)

*Ab o ve s p e c ific a tio ns o c c ur @ 2 5 ± 5 ºC & VIN = 10 - 16 Vd c .

M o d e l

LS 38 0

In s u la tin g W ith s ta n d Vo lta g e

It e m

R a t in g D e s c r ip t io n

Ins ula ting Withs ta nd Vo lta g e

Ins ula ting Re s is ta nc e

Prim a ry - Se c o nd a ry

1.5 kVA Im p uls e

Prim a ry - Se c o nd a ry

Wind ing - Co re

5 0 0 Vd c

Mo re tha n 10 0 MΩ

Lu m in a n c e Va ria n c e

It e m

C o n d it io n

S t a n d a r d

0 .0 Ω

Lum ina nc e @ Ma x.

Lum ina nc e @ Min.

Btw n. p in 4 & p in 5

10 kΩ

8.5±0.5

60±0.3

11.0

14.0

5

1

5

LS380

1

2–ø3.0

Lot Symbol

world leaders in materials and electronics technology

Taiyo Yuden (U.S.A.), Inc.

1770 La Costa Meadows Drive, San Marcos, CA 92069

(760) 510-3200 / Fax: (760) 471-4021

FM 32227

(800) 493-6835

www.t-yuden.com powerproducts@t-yuden.com

M o d e l

LS 38 0

Te c h N o te s

C o n n e c t io n D ia g r a m

LS380

CN1

CN2

Molex 53261-0590 JST SM02(8.0)B-BHS

SW

1

2

3

4

5

On/Off

V(in)

CFL High

NC

3

2

1

DC

GND

CCFL

GND

CFL Low

Bright

10kΩ

O n / O f f C o n t r o l

The on/off control is achieved by using the on/off pin on the input

side of LS380. The circuit for the remote on/off circuitry consists

of an active low TTL switch. When the circuit is open, the IC Vcc

is cut off. When the circuit is closed, IC Vcc is activated. A

mechanical switch or a TTL/CMOS gate needs to be placed

between the remote on/off pin and ground creating a condition

where the circuit is closed to activate the inverter. Either one of

the following will be required for the inverter to operate:

One recommended use of logic switch for remote on/off is

shown in the diagram below. Electrical specification for on/off

terminal is Low 0 to 0.4V, -0.4 mA or higher when switch is

closed.

V(in)

On/Off Pin

0V Inverter Off

5V Inverter On

SW (External)

To IC Vcc

1. Tie on/off pin to ground.

2. Add mechanical switch between on/off pin and ground, close switch.

3. Add TTL/CMOS switch between on/off and ground. Circuit must be closed for

unit to operate (as shown above right).

world leaders in materials and electronics technology

Taiyo Yuden (U.S.A.), Inc.

1770 La Costa Meadows Drive, San Marcos, CA 92069

(760) 510-3200 / Fax: (760) 471-4021

FM 32227

(800) 493-6835

www.t-yuden.com powerproducts@t-yuden.com

M o d e l

LS 38 0

Te c h N o te s

O u t p u t C u r r e n t O p t im iz a t io n M e t h o d

Maximum output current can be adjusted by applying bias

voltage or using a solid resistor as shown below.

R 1

M in im u m

M a x im u m

Ty p . O u t p u t C u r r e n t

O u t p u t C u r r e n t

N/A

3.0 mA

7.5 mA

6.5 mA

6.0 mA

5.5 mA

5.0 mA

4.5 mA

4.0 mA

1

2

On/Off

V(in)

270 Ω

820 Ω

1.6 KΩ

2.7 KΩ

3.8 KΩ

5.6 Ω

R1

3

4

Gnd

N o t e s :

Allowable maximum input current for backlight CCFT is stipulated on the LCD

specification.

10 Kohm

(External)

Please select resistor value per requirements on the panel.

For more information, please contact Taiyo Yuden (USA), Inc.

5

Brightness

D C

B ia s

O u t p u t

C u r r e n t

dimming by using a variable resistor

0 V

6.42 mA

6.00 mA

5.58 mA

5.20 mA

4.70 mA

4.43 mA

4.05 mA

3.64 mA

3.23 mA

2.86 mA

2.48 mA

0.1 V

0.2 V

0.3 V

0.4 V

0.5 V

0.6 V

0.7 V

0.8 V

0.9 V

1.0 V

1

2

On/Off

V(in)

3

4

Gnd

7.00

DC Voltage

Bias

(0 - 1.0 Vdc)

6.00

5.00

5

Brightness

4.00

3.00

2.00

dimming by applying DC bias voltage

1.00

0.00

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

DC Bias (Vdc)

M e a n Tim e B e t w e e n F a ilu r e s ( M T B F )

By using the MIL-HDBK 217E Condition Ground Benign

method, the MTBF for the LS380 is calculated at

1,121,453 hours.

world leaders in materials and electronics technology

Taiyo Yuden (U.S.A.), Inc.

1770 La Costa Meadows Drive, San Marcos, CA 92069

(760) 510-3200 / Fax: (760) 471-4021

FM 32227

(800) 493-6835

www.t-yuden.com powerproducts@t-yuden.com


型号：	LS380
厂家：	TAIYO YUDEN (U.S.A.), INC
描述：	DC-DC Regulated Power Supply Module, 2 Output, 3.5W
文件：	总4页 (文件大小：111K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

LS380 [TAIYO YUDEN]

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