* This specifications are subject to be changed without notice

ADT6051

Dimmable Constant Current / Constant Voltage IC

http://www.ad-tech.co.kr

DEC. 15. 2014

3/4

Note1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

Note2. Measured on JESD51-7, 4-layer PCB

ELECTRICAL CHARACTERISTICS

(VCC = 15V, Ta=25°C , unless otherwise specified)

Parameter

Symbol

Rating

Units

Ground Voltage

GND

-0.3

V

Power Voltage

VCC

-0.3 ~ 60

V

Open Drain Output

OUT

-0.3 ~ 60

V

All Other pins

DC5V, VSEN, ISEN, PWM, ADIM

-0.3 ~ 6

V

Junction Temperature

T

J

-40 ~ 150

℃

Storage Temperature

T

STG

-65 ~ 150

℃

Thermal Resistance (Note2)

θ

JA

150

℃/W

Parameter

Conditions

Symbol

Min.

Typ.

Max.

Units

Device supply

Power supply operating range

8

15

55

V

VCC OVP

VCCOVP

55

58.5

-

V

LED off VCC

V(ADIM)=0V

8.5

10

11.5

V

VCC quiescent current

V(ISEN)=V(VSEN)=0V

-

0.5

1.0

mA

PWM

dimming

PWM input high level

1.5

-

-

V

PWM input low level

-

-

0.8

V

PWM dimming frequency

0.1

-

100

kHz

PWM duty range

10

-

100

%

Threshold duty (LED OFF) (Note3)

3.7

6.7

9.7

%

Threshold duty (LED ON) (Note3)

7

10

13

%

Pull up current

V(PWM)=0V

-

9

15

uA

Analog

dimming

Analog dimming input voltage

0.1

-

1.0

V

Threshold voltage (LED OFF)

37

67

97

mV

Threshold voltage (LED ON)

70

100

130

mV

Pin input current

V(ADIM)=1V

-3

0

3

uA

Current

control loop

-

9.5

-

V/A

Current sensing reference voltage

I(OUT)=100uA

297

300

303

mV

Pin input current

V(ISEN)=5V

-1

0

1

uA

Voltage

control loop

-

5.2

-

V/A

Voltage sensing reference voltage

I(OUT)=100uA

0.95

1.00

1.05

V

Pin input current

V(VSEN)=5V

-1

0

1

uA

Output stage

Lower output voltage, Sink current only

I(OUT)=1mA, V(ISEN)=1V

-

0.7

1.1

V

Output short circuit current.

V(OUT)=5V, V(ISEN)=1V

3

6

10

mA

DC 5V output

DC 5V output voltage

I(DC5V)=5mA

4.5

5.0

5.5

V

Output short circuit current.

V(DC5V)=0V

8

16

24

mA

Temperature

protection

OTP

-

150

-

℃

OTP hysteresis (Note3)

-

40

-

℃

Note 3 : The parameter is guaranteed by design. It is not tested in production.