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SP7120CEK-L/TR Folha de dados(PDF) 2 Page - Sipex Corporation

Nome de Peças SP7120CEK-L/TR
Descrição Electrónicos  2 or 3 Channel Low Dropout High Side Linear LED Driver
PDF  17 Pages
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Fabricante Electrônico  SIPEX [Sipex Corporation]
Página de início  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7120CEK-L/TR Folha de dados(HTML) 2 Page - Sipex Corporation

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Jun29-07 RevD
SP7120/22 Low Dropout LED Driver
© 2007 Sipex Corporation
page
2
ABSOLUTE MAXIMUM RATINGS
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
period may affect reliability.
Ambient operating temperature ..…. -40 to+85°C
Vcc, VLED1, VLED2, and EN to GND
-0.3V to 6V
Junction Temperature............................+150°C
Operating Temperature…..........….-40 to +85
oC
Storage Temperature...............-65°C to +150°C
Package Thermal resistance θJA ….…190°C/W
ESD Level...........................................2kV HBM
ESD Level...........................................200V MM
ESD Level EN……………….……….1.5kV HBM
Lead Temperature (Soldering, 10 sec) …300°C
ELECTRICAL CHARACTERISTICS
Specifications are at TA=25˚C, Vcc = 2.7 to 5.5, ENABLE =Vcc
Parameter
Min
Typ
Max
Units
Conditions
Vcc
2.7
5.5
V
Shutdown Current
0.04
1
µA
EN = LOW
VLED Dropout Voltage, Vd
1
160
200
mV
Vcc = 5.5V, ILED = 20mA
VLED Dropout voltage, Vd
1
140
180
mV
Vcc = 5.5V, ILED = 15mA
Version A
15
VD = 300mV
Version B
20
VD = 300mV
LED Current per
Channel
Version C
25
mA
VD
= 300mV
Version A
0.5
0.7
Version B
0.7
1.1
Version C
0.86
1.7
SP7120 at VD = 300mV
Version A
0.6
0.8
Version B
0.9
1.2
Quiescent
Current
Version C
0.99
1.9
mA
SP7122 at VD = 300mV
LED to LED Current Matching
6
0.8
%
Vcc = 5.5V, VD > 300mV
LED Current Accuracy
2
-3
3
%
300mV<VD<1.0V
LED Current Line Regulation
3
.25
%/V
2.7V < Vcc < 5.5V
LED Current Load Regulation
4
1.0
%/mA
300mV < VD < 1.0V
LED Current Thermal Regulation
0.01
%/
0C
VD = 300mV
EN ON Voltage (HIGH)
5
2
Vcc
V
EN OFF Voltage (LOW)
0
0.8
V
EN Input Bias Current
2
3
5
µA
VEN = Vcc = 5.5V
EN Switching Frequency
20
kHz
EN ON Minimum Pulse Width
15
µs
1) Difference between Vcc voltage and LED anode voltage at which ILED current drops 10% from nominal value
2) ILED Current Variations from specified value
3) ILED Current Variations per volt Vcc change for any given temperature
4) ILED Current Variations at VD change from 0.3V to 1.0V
5) EN input voltage should not exceed Vcc voltage at any condition
6) This condition is part of the LED current accuracy and it shall not exceed that specification
RECOMMENDED OPERATING CONDITIONS



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