Datasheet > LDD-350H

LDD-350H

更新时间： 2024-11-21 11:37:43

品牌	Logo	应用领域
明纬 - MEANWELL		驱动器
页数	文件大小	规格书
3页	238K
描述
DC-DC Constant Current LED driver

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中文翻译

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数据手册

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LDD-350H 数据手册

DC-DC Constant Current LED driver

LDD-H series

Features :

Constant current output: 300mA to 1000mA

Wide input voltage: 9 ~ 56VDC

Wide output LED string voltage: 2 ~ 52VDC

High efficiency up to 97%

DC/DC step-down converter

Built-in EMI filter, comply with EN55015 and FCC part15 without

additional input filter and capacitors

Built-in PWM and remote ON/OFF control

Protections: Short circuit / Over temperature

Cooling by free air convection

Fully encapsulated with IP67 level

Compact size

Low cost, high reliability

Suitable for driving illumination LED

3 years warranty

LDD-350H

Blank : pin style

: wire style

SPECIFICATION

ORDER NO.

LDD-300H

LDD-350H

LDD-500H

LDD-600H

LDD-700H

LDD-1000H

CURRENT RANGE

300mA

350mA

500mA

600mA

700mA

1000mA

VOLTAGE RANGE

2 ~ 52VDC

3% at 24VDC input ; 4% at 48VDC input

CURRENT ACCURACY (Typ.)

RIPPLE & NOISE(max.) Note.2

SWITCHING FREQENCY

EXTERNAL CAPACITANCE LOAD (max.)

OUTPUT

150mVp-p

40KHz ~ 1000KHz

2.2uF

150mVp-p

200mVp-p

350mVp-p

9 ~ 56VDC

VOLTAGE RANGE

EFFICIENCY (max.)

97% at full load and 36VDC/48VDC input

320mA

INPUT

450mA

550mA

650mA

900mA

Full load Note.3 270mA

DC CURRENT

FILTER

No load

10mA

Capacitor

Leave open if not use

PWM

Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit

Power OFF : DIM ~ -Vin < 0.8VDC or short

100 ~ 1KHz

REMOTE ON/OFF

DIMMING

PWM FREQUENCY

ON/OFF

CONTROL

QUIESCENT INPUT CURRENT

IN SHUTDOWN MODE(max.)

1mA at PWM dimming OFF and 24VDC input

Regulated at rated output current

SHORT CIRCUIT

Protection type: Can be continued, recovers automatically after fault condition is removed

Tj 150 typically(IC1) detect on main control IC

Protection type : Shut down, recovers automatically after temperature goes down

-40 ~ + 85 (Refer to derating curve)

PROTECTION

OVER TEMPERATURE

WORKING TEMP.

20% ~ 90% RH non-condensing

WORKING HUMIDITY

STORAGE TEMP., HUMIDITY

TEMP. COEFFICIENT

VIBRATION

-55 ~ +125 , 10 ~ 95% RH

ENVIRONMENT

0.03% /

10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes

100

OPERATING CASE TEMP. (max.)

EMI CONDUCTION & RADIATION

EMS IMMUNITY

Compliance to EN55015, FCC part 15 class B

Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A

EMC

2000Khrs min. MIL-HDBK-217F (25

)

MTBF

DIMENSION

31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H)

LDD-H:16g ; LDD-HW:18.6g

OTHERS

NOTE

WEIGHT

Expoxy(UL94-V0)

POTTING MATERIAL

1.All parameters are specified at normal input(48VDC), rated load, 25 70% RH ambient.

2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor.

3.Test condition: 48VDC input.

File Name:LDD-H-SPEC 2011-10-07

12 3

中文翻译

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与LDD-350H相关器件

型号	品牌	获取价格	描述	数据表
LDD-350H-DA	MEANWELL	获取价格	DC-DC Constant Current Step-Down LED driver with DALI
LDD-350H-WDA	MEANWELL	获取价格	DC-DC Constant Current Step-Down LED driver with DALI
LDD-350L	MEANWELL	获取价格	DC-DC Constant Current LED driver
LDD-350LS	MEANWELL	获取价格	LED DRIVER CC BUCK 2-28V 350MA
LDD-350LW	MEANWELL	获取价格	DC-DC Constant Current Step-Down LED driver
LDD4051-XX/S4-PF	LIGITEK	获取价格	LED Display
LDD4055-XX/RP20	LIGITEK	获取价格	LED Display
LDD405-61-XXKL-PF	LIGITEK	获取价格	DUAL DIGIT LED DISPLAY (0.40 lnch)
LDD405-61-XX-PF	LIGITEK	获取价格	DUAL DIGIT LED DISPLAY (0.40 lnch)
LDD405-61-XX-S4-PF	LIGITEK	获取价格	DUAL DIGIT LED DISPLAY (0.40 lnch)

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