Datasheet > LDD-500LW

LDD-500LW

更新时间： 2024-11-11 22:55:43

品牌	Logo	应用领域
明纬 - MEANWELL		驱动
页数	文件大小	规格书
6页	144K
描述
LED DRIVER CC BUCK 2-30V 500MA

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中文翻译

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数据手册

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LDD-500LW 数据手册

DC-DC Constant Current Step-Down LED driver

LDD-L series

■ Features :

ꢀDC/DC step-down converter

ꢀConstant current output: 300mA to 700mA

ꢀWide input voltage: 9 ~ 36VDC

ꢀWide output LED string voltage: 2 ~ 32VDC

ꢀHigh efficiency up to 95%

ꢀBuilt-in EMI filter, comply with BS EN/EN55015 and FCC part15

without additional input filter and capacitors

ꢀBuilt-in PWM dimming and remote ON/OFF control

ꢀProtections: Short circuit / Over temperature

ꢀCooling by free air convection

ꢀFully encapsulated with IP67 level for pin and wire style

ꢀCompact size

ꢀLow cost, high reliability

ꢀSuitable for driving illumination LED

ꢀ3 years warranty

LDD-350L

Blank : pin style

: wire style

: SMD style

SPECIFICATION

ORDER NO.

LDD-300L

LDD-350L

LDD-500L

LDD-600L

LDD-700L

CURRENT RANGE

300mA

350mA

500mA

600mA

700mA

VOLTAGE RANGE

Note.4 2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS

5% at 24VDC input

150mVp-p

CURRENT ACCURACY (Typ.)

RIPPLE & NOISE(max.) Note.2

SWITCHING FREQENCY

EXTERNAL CAPACITANCE LOAD (max.)

OUTPUT

150mVp-p

200mVp-p

40KHz ~ 1000KHz

2.2uF

9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS

95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS

350mA 500mA 600mA 700mA

VOLTAGE RANGE

EFFICIENCY (max.)

INPUT

Full load Note.3 300mA

DC CURRENT

FILTER

No load

5mA

Capacitor

Leave open if not use

PWM

Power ON with dimming: DIM ~ -Vin >3.5 ~ 8VDC or open circuit

Power OFF : DIM ~ -Vin < 0.5VDC or short

100 ~ 1KHz

REMOTE ON/OFF

PWM FREQUENCY

DIMMING

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

OVER TEMPERATURE

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

-40 ~ + 85℃(Refer to derating curve)

WORKING TEMP.

WORKING HUMIDITY

STORAGE TEMP., HUMIDITY

TEMP. COEFFICIENT

VIBRATION

20% ~ 90% RH non-condensing for LDD-300~700L/LW ; 20% ~ 85% RH non-condensing for LDD-300~700LS

-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.)

SAFETY STANDARDS

EMC EMISSION

EAC TP TC 004 approved

EMC

Compliance to BS EN/EN55015, FCC part 15 class B, EAC TP TC 020

Compliance to BS EN/EN61000-4-2,3,4,6,8, light industry level, criteria A, EAC TP TC 020

1000Khrs min. MIL-HDBK-217F (25℃)

EMC IMMUNITY

MTBF

DIMENSION

22.6*9.9*8.9mm or 0.89"*0.39"*0.35" inch (L*W*H) for LDD-300~700L/LW ; 25.4*10.5*9.3mm or 1"*0.4135"*0.366" inch (L*W*H) for LDD-300~700LS

LDD-300~700L:4g ; LDD-300~700LW:7.3g ; LDD-300~700LS :3.4g

Expoxy(UL94-V0) for LDD-300~700L/LW ; without potted for LDD-300~700LS

OTHERS

NOTE

WEIGHT

POTTING MATERIAL

1.All parameters are specified at normal input(24VDC), 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: 24VDC input.

4.Output voltage will always step down by 3 volts from input DC voltage.

5.The output of LDD-L should not be connected to the input of the same unit or output from other sources.

※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

File Name:LDD-L-SPEC 2021-06-28

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中文翻译

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