4
LDD-350H LDD-1200H Blank : pin style Blank : pin style W : wire style W : wire style S : SMD style W W File Name:LDD-H-SPEC 2021-11-24 DC/DC step-down converter Constant current output: 300mA to 1500mA Wide input voltage: 9 ~ 56VDC Wide output LED string voltage: 2 ~ 52VDC High efficiency up to 97% Built-in EMI filter, comply with BS EN/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 for pin and wire style Non-potted, optional conformal coating for SMD style (Order No.: LDD- 350-1000 HSC) Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty SPECIFICATION LDD-300H LDD-350H LDD-500H LDD-600H LDD-700H LDD-1000H LDD-1200H LDD-1500H ORDER NO. CURRENT RANGE VOLTAGE RANGE Note.4 CURRENT ACCURACY (Typ.) OUTPUT EFFICIENCY (max.) DC CURRENT INPUT PWM DIMMING & ON/OFF CONTROL ENVIRONMENT EMC WORKING TEMP. WORKING HUMIDITY STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION OPERATING CASE TEMP. (max.) MTBF DIMENSION OTHERS WEIGHT POTTING MATERIAL SHORT CIRCUIT FILTER REMOTE ON/OFF PWM FREQUENCY QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(max.) OVER TEMPERATURE PROTECTION RIPPLE & NOISE(max.) Note.2 SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS 270mA 5mA 9 ~ 56VDC 2.2uF 40KHz ~ 1000KHz 150mVp-p ± ± ± 3% at 24VDC input ; 4% at 48VDC input for LDD-H/HW ; 5% for LDD-HS 2 ~ 52VDC 300mA 350mA 150mVp-p 320mA 500mA 150mVp-p 450mA 600mA 200mVp-p 550mA 700mA 1000mA 1200mA 1500mA 200mVp-p 350mVp-p 350mVp-p 2 ~ 46VDC 350mVp-p 650mA 900mA 1100mA 9 ~ 52VDC 1360mA 1000Khrs min. MIL-HDBK-217F (25 ) -40 ~ + 85 (Refer to derating curve) 20% ~ 90% RH non-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS -55 ~ +125 , 10 ~ 95% RH ± 0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes 10031.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS LDD-H:15.6g ; LDD-HW:18g ; LDD-HS:12.8g Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS Full load Note.3 No load Capacitor Leave open if not use Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit Power OFF : DIM ~ -Vin < 0.8VDC or short 100 ~ 1KHz 1mA at PWM dimming OFF and 24VDC input DC-DC Constant Current Step-Down LED driver LDD-H series Features : VOLTAGE RANGE Tj 150 typically(IC1) detect on main control IC Regulated at rated output current Protection type: Can be continued, recovers automatically after fault condition is removed Protection type : Shut down, recovers automatically after temperature goes down 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, criteriaA, EAC TP TC 020 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. 4.Output voltage will always step down by 3 volts from input DC voltage. 5.The output of LDD-H 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 NOTE EMC IMMUNITY EMC EMISSION EAC TP TC 020/2011 approved SAFETY STANDARDS

DC-DC Constant Current Step-Down LED driver LDD-H

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Page 1: DC-DC Constant Current Step-Down LED driver LDD-H

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SPECIFICATION

LDD-300H LDD-350H LDD-500H LDD-600H LDD-700H LDD-1000H LDD-1200H LDD-1500HORDER NO.

CURRENT RANGE

VOLTAGE RANGE Note.4

CURRENT ACCURACY (Typ.)OUTPUT

EFFICIENCY (max.)

DC CURRENTINPUT

PWM

DIMMING

&

ON/OFF

CONTROL

ENVIRONMENT

EMC

WORKING TEMP.

WORKING HUMIDITY

STORAGE TEMP., HUMIDITY

TEMP. COEFFICIENT

VIBRATION

OPERATING CASE TEMP. (max.)

MTBF

DIMENSIONOTHERS

WEIGHT

POTTING MATERIAL

SHORT CIRCUIT

FILTER

REMOTE ON/OFF

PWM FREQUENCY

QUIESCENT INPUT CURRENT

IN SHUTDOWN MODE(max.)

OVER TEMPERATURE

PROTECTION

RIPPLE & NOISE(max.) Note.2

SWITCHING FREQENCY

EXTERNAL CAPACITANCE LOAD (max.)

97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS

270mA

5mA

9 ~ 56VDC

2.2uF

40KHz ~ 1000KHz

150mVp-p

± ± ±3% at 24VDC input ; 4% at 48VDC input for LDD-H/HW ; 5% for LDD-HS

2 ~ 52VDC

300mA 350mA

150mVp-p

320mA

500mA

150mVp-p

450mA

600mA

200mVp-p

550mA

700mA 1000mA 1200mA 1500mA

200mVp-p 350mVp-p 350mVp-p

2 ~ 46VDC

350mVp-p

650mA 900mA 1100mA

9 ~ 52VDC

1360mA

1000Khrs min. MIL-HDBK-217F (25 )℃

-40 ~ + 85 (Refer to derating curve)℃

20% ~ 90% RH non-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS

-55 ~ +125 , 10 ~ 95% RH℃

± ℃0.03% /

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

100℃

31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS

LDD-H:15.6g ; LDD-HW:18g ; LDD-HS:12.8g

Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS

Full load Note.3

No load

Capacitor

Leave open if not use

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

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

100 ~ 1KHz

1mA at PWM dimming OFF and 24VDC input

DC-DC Constant Current Step-Down LED driver LDD-H ser ies

■ 3� �#�����

VOLTAGE RANGE

Tj 150 typically(IC1) detect on main control IC℃

Regulated at rated output current

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

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

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

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NOTE

EMC IMMUNITY

EMC EMISSION

EAC TP TC 020/2011 approvedSAFETY STANDARDS

Page 2: DC-DC Constant Current Step-Down LED driver LDD-H

31.

8[1

.25

]

11

2

21

14

21

23

11

2

BOTTOM

VIEW

◎ Blank type(LDD

◎ Blank type(LDD

-

-

-

300~1000H):

1200~1500H):

300~1500HW):◎W type(LDD

ψ0.60

ψ0.60

NOTE: All wires UL3385 22AWG

DC-DC Constant Current Step-Down LED driver LDD-H s er ies

Mechanical Specification

Unit: mm (inch)

Pin Configuration

14

14

13

13

12

12

11

11

23

23

24

24

22

21

2

2

1

1

BOTTOM

VIEW

BOTTOM

VIEW

SIDE

VIEW

SIDE

VIEW

SIDE

VIEW

12.2 [0.48]

12.2 [0.48]

20.3[0.80] 100 10mm±5 2mm±

12.2[0.48]

2.0

6 [0

.08

]2

.06

[0.0

8]

3.81 [0.15]

3.81 [0.15]

2.5

4 [0

.1]

2.5

4 [0

.1]

20.3 [0.80]

20.3 [0.80]

31

.8 [

1.2

5]

31

.8 [

1.2

5]

15.24 [0.60]

15.24 [0.60]

NOTE: Pin tolerance 0.05mm±

NOTE: Pin tolerance 0.05mm±

Pin No.

Pin No.

Pin No.

23,24

23,24

others

others

others

23

1,2

1,2

2(Black)

(Blue)

(Yellow)

(White)

(Red)

11,12

11,12

11

13,14

13,14

14

22

21

21

+Vin

+Vin

N.C

N.C

N.C

+Vin

-Vin

-Vin

-Vin

-Vout

-Vout

-Vout

+Vout

+Vout

+Vout

PWM DIM

PWM DIM

PWM DIM

Comment

Comment

Comment

DC Supply

DC Supply

No connection

No connection

No connection

DC Supply

Don't connectto -Vout

Don't connectto -Vout

Don't connectto -Vout

LED - Connection

LED - Connection

LED - Connection

LED + Connection

LED + Connection

LED + Connection

ON/OFF and PWMDimming

(Leave open ifnot used)

ON/OFF and PWMDimming

(Leave open ifnot used)

ON/OFF and PWMDimming

(Leave open ifnot used)

File Name:LDD-H-SPEC 2021-11-24

Page 3: DC-DC Constant Current Step-Down LED driver LDD-H

DC-DC Constant Current Step-Down LED driver LDD-H s er ies

File Name:LDD-H-SPEC 2021-11-24

124

1213

BOTTOM

VIEW

20.3[0.80]

25.4[1.00]

0.5[0.02]

1.0[0.04]

2.0

[0.0

8]

2.5

4[0

.10

]

10.9[0.43]

31

.8[1

.25

]

11.4[0.45]

23

14

21

11

2

0.25[0.010]

1.5[0.059]

2.54mm

2.54

mm

2.03[0.08]

26.4

0[1.

04]

24.3

7[0.

96]

1.5[0.06]2.54[0.1]

TOP VIEW

1 2 11 12

1314212324

Pin No.

23,24

others

1,2

11,12

13,14

21

+Vin

N.C

-Vin

-Vout

+Vout

PWM DIM

Comment

DC Supply

No connection

Don't connectto -Vout

LED - Connection

LED + Connection

ON/OFF and PWMDimming

(Leave open ifnot used)

Recommended PCB layout (for LDD-300~1000HS)

- 300~1000HS):◎S type(LDD

Page 4: DC-DC Constant Current Step-Down LED driver LDD-H

65%

70%

75%

80%

85%

90%

95%

100%

1 2 3 4 5 6 7 8 9 10 11 12 13 14

300mA

350mA

500mA

600mA

700mA

1000mA

1200mA

1500mA

70%

75%

80%

85%

90%

95%

100%

1 2 3 4 5 6 7 8 9 10

300mA

350mA

500mA

600mA

700mA

1000mA

1200mA

1500mA

75%

80%

85%

90%

95%

100%

1 2 3 4 5 6 7

300mA

350mA

500mA

600mA

700mA

1000mA

1200mA

1500mA

80%

85%

90%

95%

100%

1 2 3

300 mA

350 mA

500 mA

600 mA

700 mA

1000 mA

1200mA

1500mA

DC-DC Constant Current Step-Down LED driver LDD-H ser ies

Efficiency VS Output Voltage(Number of LEDs)

Fig-1 12VDC input, 1~3 LEDs(Vf=3V) Fig-2 24VDC input, 1~7 LEDs(Vf=3V)

Fig-3 36VDC input, 1~10 LEDs(Vf=3V)

Output Voltage(LEDs)

EF

FIC

IEN

CY

(%)

EF

FIC

IEN

CY

(%)

EF

FIC

IEN

CY

(%)

80%

85%

90%

95%

100%

1 2 3

80%

2 3 4 5 6 775%

1

80%

85%

90%

95%

100%

3 4 5 6 7 8 9 10

75%

70%1 2

70%

65%

75%

4 5 6 7 8 9 10 11 12 13 141 32

300mA

350mA

500mA

600mA

700mA

1000mA

1200mA

1500mA

300mA

300mA

350mA

350mA

500mA

500mA

600mA

600mA

700mA

700mA

1000mA

1200mA

1500mA

1000mA

1200mA

1500mA

300mA

350mA

500mA

600mA

700mA

1000mA

1200mA

1500mA

Fig-4 48VDC input, 1~14 LEDs(Vf=3V)

Output Voltage(LEDs)

EF

FIC

IEN

CY

(%)

85%

90%

95%

100%

80%

85%

90%

95%

100%

Standard Application

+Vin +Vout

-Vin

H: >2.5~6VDC or open circuit

L: <0.8VDC or short

-Vout

1st LED

Last LED

H

PWM

DimmingLDD-H

L

0 25 50 75 100

Duty Cycle (%)

25

50

75

100

◎ During PWM dimming operation, the output current will change to

PWM style.

Iou

t(%

)

Tol : 3%(Typ.)±

Derating Curve

Ta ( )℃

LO

AD

(%

)

-40 0 25 50 7165 85

50

25

75

100

100

71 for 600~1200mA℃

65 for 1500mA℃

85 for℃

300~500mA

Peak. Temp 240℃10 sec. Max.

60 sec. Max.(>220 )℃

220℃

Time(sec.)

Remark : The curve applies only to the " Hot Air Reflow Soldering"

0

50

100

150

Tem

pera

ture

()

220

240

Reflow Soldering Curve (for LDD-300~1000HS)

PWM Dimming Control

PWMSignal

OutputCurrent

H(5V)

Max

L(0V)

0

OFF OFF OFF

ON ON

100~1KHz

ON

File Name:LDD-H-SPEC 2021-11-24

Output Voltage(LEDs) Output Voltage(LEDs)