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CAT3614 Datasheet(PDF) 2 Page - Catalyst Semiconductor

Part # CAT3614
Description  4-Channel 1-Wire LED Driver in 3 x 3mm Package
Download  13 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT3614 Datasheet(HTML) 2 Page - Catalyst Semiconductor

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CAT3614
Doc. No. MD-5035, Rev.B
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx voltage
6
V
VOUT, C1
±, C2± voltage
7
V
EN/DIM voltage
VIN + 0.7V
V
Storage Temperature Range
-65 to +160
°C
Junction Temperature Range
-40 to +150
°C
Lead Temperature
300
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Range
Unit
VIN
3 to 5.5
V
Ambient Temperature Range
-40 to +85
°C
ILED per LED pin
0 to 31
mA
Total Output Current
0 to 124
mA
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
VIN = 3.6V, EN = High, ambient temperature of 25ºC (over recommended operating conditions unless
specified otherwise).
Symbol Parameter
Conditions
Min
Typ
Max
Unit
IQ
Quiescent Current
1x mode, no load
1.5x mode, no load
0.3
1
0.5
3
1
8
mA
mA
IQSHDN
Shutdown Current
VEN = 0V
1
µA
ILED-ACC LED Current Accuracy
1mA
≤ ILED ≤ 31mA
±3
±8
%
ILED-DEV
LED Channel Matching
(ILED - ILEDAVG) / ILEDAVG
±3
±7
%
ROUT
Output Resistance (open loop)
1x mode, IOUT = 100mA
1.5x mode, IOUT = 100mA
0.4
2.6
1
7
FOSC
Charge Pump Frequency
0.8
1
1.3
MHz
ISC_MAX
Output short circuit Current Limit
VOUT < 0.5V
30
60
100
mA
IIN_MAX
Input Current Limit
1x mode, VOUT > 1V
200
300
600
mA
IEN/DIM
VHI
VLO
EN/DIM Pin
• Input Leakage
• Logic High Level
• Logic Low Level
-1
1.3
1
0.4
µA
V
V
TSD
Thermal Shutdown
145
165
175
ºC
THYS
Thermal Hysteresis
10
20
30
ºC
VUVLO
Undervoltage lock out (UVLO)
threshold
1.7
2
2.4
V


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