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SC654 Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC654
Description  Light Management Unit for 6 LEDs with SemPulseTM Interface
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC654 Datasheet(HTML) 4 Page - Semtech Corporation

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4
Electrical Characteristics (continued)
SC654
Parameter
Symbol
Conditions
Min
Typ
Max
Units
1x Mode to 1.5x Mode
Falling Transition Input Voltage
V
TRANS1x
I
OUT
= 60mA, I
BLn
= 10mA, V
OUT
= 3.2V
3.26
V
1.5x Mode to 1x Mode Hysteresis
V
HYST1x
I
OUT
= 60mA, I
BLn
= 10mA, V
OUT
= 3.2V
250
mV
1.5x Mode to 2x Mode
Falling Transition Input Voltage
V
TRANS1.5x
I
OUT
= 60mA, I
BLn
= 10mA, V
OUT
= 4.0V(4)
3.07
V
Current Sink Off-State
Leakage Current
I
BLn(off )
V
IN
= V
BLn
= 4.2V
0.1
1
μA
Charge Pump Frequency
f
PUMP
V
IN
= 3.2V
250
kHz
Output Short Circuit
Current Limit
I
OUT(SC)
OUT pin shorted to GND
60
mA
V
OUT
> 2.5V
300
Under Voltage Lockout
V
UVLO-OFF
Increasing V
IN
2.7
V
V
UVLO-HYS
Hysteresis
800
mV
Over-Voltage Protection
V
OVP
OUT pin open circuit, V
OUT
= V
OVP
,
rising threshold
5.7
6.0
V
Over-Temperature
T
OT
Rising temperature
160
°C
OT Hysteresis
T
OT-HYS
20
°C



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