SP7615ER datasheet(2/11 Pages) SIPEX

2 / 11 page

Oct 23-06

SP7615 Four Channel Constant Current LED Driver

4.5V < VCC <16V , VEN = 5V, VLED1 =VLED2 =VLED3 =VLED4 =1.0V, RSET =10kΩ or ISET=126µA, -40 < TA < 85ºC,

Unless otherwise noted. Typical numbers are for TA = 25ºC.

Vcc, VLED1, VLED2, VLED3,

VLED4, Voltage to GND .......................................0.3V to 16V

EN Voltage to GND..................................... 0 to (Vcc + 0.3V)

ISET Voltage to GND...................................0 to (Vcc + 0.3V)

or 6V, whichever is lower

Output Current per LED (IOUT) ................................. 150mA

Power Dissipation per Package

8-pin DFN at TA = 85ºC ...........................… 1.1W

Junction Temperature ..............................................+150ºC

Storage Temperature ............................... -55ºC to +150ºC

ESD Level. ....................................................... 2kV HBM

DFN Thermal Resistance......................................59ºC/W

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

Note 1. ENABLE "ON" is VEN for which ILED > 80mA

Note 2. ENABLE "OFF" is VEN for which ILED < 1uA@ VLED1 > 1.0V

ELECTRICAL CHARACTERISTICS

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

Supply Voltage

4.5

Quiescent Supply Current

ILED1 = ILED2 = ILED3 = ILED4 =126mA

Output/I

SET

Current Multiplication Ratio

900

1000

1200

LED Current (per diode)

126

LED to LED Current Matching

-2

LED Current Line Voltage Regulation

0.15

0.6

%/V

IOUT change per volt VCC change

LED Current Load Voltage Regulation

%/V

0.4V < V

LED

< 5V, I LED = 25mA

%/V

1.0V < VLED < 5V, ILED = 126mA

LED Current Thermal Regulation

0.1

%/ºC

ILED = 126mA

ISET Pin Voltage

1.20

1.26

1.32

ISET = 1µA

Thermal Shutdown Threshold

150

ºC

Thermal Shutdown Hysteresis

ºC

Current in OFF Mode

µA

EN = 0.0V

Min. ENABLE “ON Voltage”

(Note1)

1.6

Max. ENABLE “OFF Voltage”

(Note 2)

0.4

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