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CAT4101
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
VIN, RSET, EN/PWM Voltages
LED Voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Rating
6
25
? 65 to +150
? 40 to +150
300
Units
V
V
_ C
_ C
_ C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS
VIN Voltage
Parameter
Rating
3.0 to 5.5
Units
V
LED Pin Voltage
device enabled, continuous operation
device disabled or transient when enabled
Up to 6
Up to 25
V
Ambient Temperature Range
LED Pin Current
? 40 to +85
Up to 1
_ C
A
NOTE: Typical application circuit with external components is shown on page 1.
1. For additional temperature options, please contact your nearest ON Semiconductor Sales office.
Table 3. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values in bold are over recommended operating
conditions unless specified otherwise. Typical values are at V IN = 5.0 V, T AMB = 25 ° C)
Symbol
I LED ? ACC
Parameter
LED Current Accuracy
Conditions
V LED = 1 V, RSET = 1.47 k W
Min
315
Typ
350
Max
385
Units
mA
V LED = 1 V, RSET = 750 W
V LED = 1 V, RSET = 549 W
700
1000
V DOUT
Dropout Voltage
I LED = 1 A
500
mV
V RSET
I Q
RSET Pin Voltage
Quiescent Current
No LED, RSET = Floating
1.17
1.20
0.8
1.23
V
mA
No LED, RSET = 549 W
8.0
I QSHDN
Shutdown Current
V EN = 0 V
1
m A
EN/PWM Pin
R EN/PWM
? Pull ? down resistance
200
k W
V HI
V LO
T SD
T HYS
I LED /I RSET
V UVLO
? Logic High Level
? Logic Low Level
Thermal Shutdown
Thermal Hysteresis
RSET to LED Current gain ratio
Undervoltage lockout (UVLO) Threshold
100 mA LED current
1.3
150
20
400
2.0
0.4
V
V
_ C
_ C
V
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