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SP7615 Fiches technique(PDF) 2 Page - Sipex Corporation

No de pièce SP7615
Description  Four Channel Constant Current LED Driver
Download  10 Pages
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Fabricant  SIPEX [Sipex Corporation]
Site Internet  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7615 Fiches technique(HTML) 2 Page - Sipex Corporation

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Date: 08/31/05
SP7615 Four Channel Constant Current LED Driver
© Copyright 2005 Sipex Corporation
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.
ISET and EN Voltage to GND..................................... 6V
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
Vcc, VLED1, VLED2, VLED3, VLED4 Voltage to GND 0.3V to 16V
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
Supply Voltage
4.5
5
16
V
Quiescent Supply Current
20
39
mA
ILED1 = ILED2 = ILED3= ILED4 =126mA
Output/I
SET
Current Multiplication Ratio
700
1000
1200
LED Current (per diode)
126
mA
LED to LED Current Matching
-5
5
%
LED Current Line Voltage Regulation
0.15
0.6
%/V
IOUT change per volt VCC change
LED Current Load Voltage Regulation
24
%/V
0.4V < VLED < 5V, ILED = 25mA
9%/V
1.0V < VLED < 5V, ILED = 126mA
LED Current Thermal Regulation
0.1
%/ºC
ILED = 126mA
ISET Pin Voltage
1.17
1.26
1.39
V
ISET = 1µA
Thermal Shutdown Threshold
150
ºC
Thermal Shutdown Hysteresis
20
ºC
Current in OFF Mode
1
µAVEN = ZeroV
Min. ENABLE “ON Voltage”
(Note1)
1.6
V
Max. ENABLE “OFF Voltage”
(Note 2)
0.4
V


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