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LDS8711
ABSOLUTE MAXIMUM RATINGS
Parameter
V IN voltage
V OUT , SW, LEDS, Vh voltage
EN/SET voltage
LED Current
Storage Temperature Range
Junction Temperature Range
8-pin TDFN package Thermal Resistance
Soldering Temperature
Rating
6
40
V IN + 0.7V
32
-65 to +160
-40 to +125
65
300
Unit
V
V
V
mA
°C
°C
°C/W
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
V IN
Ambient Temperature Range
Rating
2.7 to 5.5
-40 to +85
Unit
V
°C
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(Over recommended operating conditions unless specified otherwise) V IN = 3.6V,T AMB = 25°C, C IN = 1 μF, C O UT = 1 μF, L = 22 μH
Name
Conditions
Min
Typ
Max
Units
V IN = 3.6 V, V OUT open
1
Quiescent Current
Shutdown Current
LED Current Accuracy
Oscillator Frequency
Maximum Duty Cycle
NMOSFET Switch On Resistance
PMOSFET Switch On Resistance
Switch Leakage Current
Switch Current Limit
Dropout/Current sense voltage
PWM Frequency
V IN = 3.6 V, I LED = 25
mA @ V OUT =36 V
V IN = 5.5V, EN = 0V
At factory preset value
At factory preset value
0.1
3
±1
0.7
92
0.3
1.5
1.3
250
1
0.1
30
mA
μA
%
MHz
%
Ω
Ω
μA
A
mV
kHz
EN/PWM
Input Resistance (pull down)
250
k Ω
Pin
Logic Level
High
Low
1.4
0.4
V
Thermal Shutdown
Thermal Hysteresis
Over-Voltage Protection
Soft Start Time
150
20
36
1.5
°C
V
ms
Delay Time to Shutdown
? 2010 IXYS Corp.
EN = 0
2
10
ms
Doc. No. 8711DS, Rev. N1.0
Characteristics subject to change without notice
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