cui.com

date

11/28/2012 │ page 2 of 6

CUI Inc

│ SERIES: VLD25-DIP │ DESCRIPTION: LED DRIVER

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

absolute max before device failure

operating input range

5

5.5

24

55

46

Vdc

Vdc

quiescent input

current in off mode

Vin = 24 V, Vc < 0.6 V

400

μA

filter

capacitor

1

μF

remote on/off

dc-dc ON

dc-dc OFF

open or 2.8 V < Vc < 6V

Vc < 0.6 V

remote pin current

Vc = 5V

1mA

PWM frequency

0.2

kHz

input voltage - analog dimming

Vin = 5.5 ~ 4.6 V

0

15

V

control voltage -

analog dimming

full on

full off

0.15

4.3

0.20

4.5

0.25

4.7

V

V

driving current -

analog dimming

Vc = 5 V

0.2

A

OUTPUT

parameter

conditions/description

min

typ

max

units

voltage range

Vin = 46 V , Vo = 3.3 V ~ 36 V

3.3

36

Vdc

voltage drop

Vin = 5.5 ~ 46 V, 1 ~ 10 LED

2

3

4

Vdc

current accuracy

300~600 mA

700 mA

±3

±5

±5

±7

%

%

output current range -

analog dimming

Vin = 5.5 ~ 46 V, 1 ~ 10 LED

0

100

%

current stability

Vin = 46 V, Vo = 3.3 V ~ 36 V

±1

%

temperature coefficient

-40 ~ 71°C ambient

±0.015

%/°C

capacitive load

1,000

μF

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

continuous automatic recovery

SAFETY AND COMPLIANCE

parameter

conditions/description

EMI/EMC

EN 55015 power port, CISPR22 Class B, IEC/EN 61000-4-(2, 3, 4, 5, 6)

RoHS compliant

yes

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

300/350 mA

500/600/700 mA

-40

-40

85

71

°C

°C

storage temperature

-55

125

°C

maximum case temperature

100

°C