2

Feb 9-07 Rev E

Constant Current LED Driver

© 2007 Sipex Corporation

Supply Voltage (Vcc) .………………………..6.0V

Input Voltage at any input .….-0.6V to Vcc +0.5V

8-pin DFN Package thermal resistance 59°C/W

Storage Temperature ..………...-65°C to +50°C

Soldering Temperature ...………………+240°C**

*) Internally limited

**) Duration 0s maximum

ELECTRICAL CHARACTERISTICS

over the full operating temperature range, -40°C to +85°C.

PARAMETER

MIN

TYP

MAX

UNITS CONDITIONS

2.5

5.5

V

Supply Current

Shutdown

Mode



µ

A

EN = GND, CTRL = DC

After Time

350

420

EN = Vcc, CTRL = Vcc

LED Output Current

80

200

220

mA

CTRL pin LOW

450

500

550

SP769 CTRL pin HIGH

630

700

770

SP769A CTRL pin HIGH

0.

0.5

%/V

LED Current Load

.5

6

%

LED Current Thermal

Regulation

0.0

75

60

mV

SP769@25°C

90

85

SP769A@25°C

60

40

SP769A @25°C

Thermal Shutdown Die

Temperature

60

°C

Thermal Shutdown Hysteresis

25

°C

50

µ

s

Wake-up Time from Shutdown

50

µ

s

EN = LOW to HIGH, CTRL =

DC

Turn-off Time into Shutdown

30

µ

s

EN = HIGH to LOW, CTRL = DC

Time Duration before Sleep

Mode

2

4

7

s

CTRL = HIGH

EN and CTRL pin

Logic Voltage

LOW

0.4

V

Driver in Shutdown Mode

HIGH

1.4

2.5V ≤ Vcc ≤ 5.5V

Notes:

2. After 4s at 500 (700) mA current

7. Logic HIGH level should never exceed Vcc voltage

These are stress ratings only and

functional operation of the device at

these ratings or any other above those

indicated in the operation sections of

the specifications below is not implied.

Exposure to absolute maximum rating

conditions for extended periods of time

may affect reliability.

ABSOLUTE MAXIMUM RATINGS