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CAT4008Y-T2 Datasheet(PDF) 3 Page - Catalyst Semiconductor

No. de pieza CAT4008Y-T2
Descripción Electrónicos  8-Channel Constant Current LED Driver
Download  14 Pages
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Fabricante Electrónico  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT4008Y-T2 Datasheet(HTML) 3 Page - Catalyst Semiconductor

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CAT4008
© Catalyst Semiconductor, Inc.
3
Doc. No. MD-5034 Rev. A
Characteristics subject to change without notice
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Units
VDD Supply Voltage
6
V
Logic input/output voltage (SIN, SOUT, CLK, BLANK, LATCH)
-0.3V to VDD+0.3V
V
LEDn voltage
6
V
DC output current on LED1 to LED8
150
mA
Storage Temperature Range
-55 to +160
°C
Junction Temperature Range
-40 to +150
°C
Lead Soldering Temperature (10sec.)
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Range
Units
VDD
3.0 to 5.5
V
Voltage applied to LED1 to LED8
0.4 to 5.5
V
LED current RSET control range
up to 100
mA
Ambient Temperature Range
-40 to +85
°C
ELECTRICAL OPERATING CHARACTERISTICS
DC CHARACTERISTICS
VDD = 5.0V, TAMB = 25 ºC, over recommended operating conditions unless specified otherwise.
Symbol Name
Conditions
Min
Typ
Max
Units
VLED = 1V, RSET = 3.08kΩ
18
20
22
VLED = 1V, RSET = 1.54kΩ
36
40
44
ILED-ACC
LED Current (any channel)
VLED = 1V, RSET = 769Ω
80
mA
VLED = 1V, RSET = 3.08kΩ
±1.5
VLED = 1V, RSET = 1.54kΩ
-6.0
±1.5
+6.0
ILED-MAT
LED Current Matching
(ILED - ILEDAVR) / ILEDAVR
VLED = 1V, RSET = 769Ω
±2.0
%
ΔIVDD
LED current regulation vs. VDD
VDD within 4.5V and 5.5V
LED current 30mA
±0.1
% / V
ΔIVLED
LED current regulation vs. VLED
VLED within 1V and 3V
LED current 30mA
±0.05
% / V
RSET = 3.08kΩ
2
8
mA
IDDOFF
Supply Current (all outputs off)
RSET = 769Ω
5.5
mA
RSET = 3.08kΩ
2.5
9
mA
IDDON
Supply Current (all outputs on)
RSET = 769Ω
6.2
mA
ILKG
LEDn output Leakage
VLED = 5V, outputs off
-1
1
µA
RLATCH
LATCH Pull-down Resistance
100
180
300
kΩ
RBLANK
BLANK Pull-up Resistance
100
180
300
kΩ
VIH
VIL
Logic high input voltage
Logic low input voltage
0.7xVDD
0.3xVDD
V
V
VHYS
Logic input hysteresis voltage
0.1xVDD
V
IIL
Logic Input leakage current
(CLK, SIN)
VI = VDD or GND
-5
0
5
µA
VOH
VOL
SOUT logic high output voltage
SOUT logic low output voltage
IOH = -1mA
IOL = 1mA
VCC-0.3V
0.3
V
VRSET
RSET Regulated Voltage
BLANK high, outputs off
1.17
1.20
1.23
V
TSD
Thermal Shutdown
160
ºC
THYST
Thermal Hysteresis
20
ºC


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