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ELECTRICAL CHARACTERISTICS
STATIC AND DYNAMIC ELECTRICAL CHARACTERISTICS
Table 3. Static and Dynamic Electrical Characteristics (continued)
Characteristics noted under conditions V IN = 12 V, V OUT = 35 V, I LED = 30 mA, f S = 600 kHz, f PWM = 600 Hz - 40 ° C ≤ T A ≤
85 ° C, unless otherwise noted. Typical values noted reflect the approximate parameter means at T A = 25°C under nominal
conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
LED DRIVER (CONTINUED)
Off State leakage Current, All Channels
I CH_LEAK
μ A
V CH = 45 V
-
-
1.0
LED Channels Rise and Fall Time
LED Open Protection, Channel Disabled if V CH ≤ O FDV
t R /t F
O FDV
-
-
50
-
75
0.55
ns
V
LED Short Protection Voltage, Channel Disabled if V CH ≥ S FDV
S FDV
V
(channel on time ≥ 10 μ s)
6.5
7.0
7.5
FAIL PIN
Off State Leakage Current
I FAIL_LEAK
μ A
V FAIL = 5.5 V
On State Voltage Drop
I SINK = 4.0 mA
V OL
-
-
-
-
5.0
0.4
V
OVER-TEMPERATURE SHUTDOWN
Over-temperature Threshold (shutdown mode)
OTT SHUTDOWN
°C
Rising
Hysteresis
150
-
165
25
-
-
PWM INPUT
PWM Dimming Mode LED Current Control
PWM CONTROL
%
PWM = 3.3 V, f PWM = 600 Hz 10% duty;
PWM = 3.3 V, f PWM = 600 Hz 50% duty
PWM = 3.3 V, f PWM = 600 Hz 100% duty
Input Minimum Pulse PWM Pin (V PWM =3.3 V)
Start-up (Wake Mode)
Operational (Wake Mode)
Start-up (Enable Mode)
Operational (Enable Mode)
t PWM_IN
9.9
49.5
-
1.6
-
0.4
-
10
50
100
-
0.2
-
0.2
10.1
50.5
-
-
-
-
-
μ s
Input Frequency Range for PWM Pin
f PWM
DC
-
100
kHz
WAKE
Shutdown Mode Timeout
t SHUTDOWN
27
30
33
ms
LOGIC INPUTS (PWM)
Input Low Voltage
Input High Voltage
Input Current
V ILL
V IHL
I SINK
-0.3
1.5
-1.0
-
-
-
0.5
5.5
1.0
V
V
μ A
LOGIC INPUTS (EN)
Input Low Voltage
Input High Voltage
Input Current (V EN = 12 V)
V ILL
V IHL
I SINK
-0.3
2.1
-
-
-
6.0
0.5
21
10
V
V
μ A
LOGIC INPUTS (WAKE)
Input Low Voltage
Input High Voltage
V ILL
V IHL
-0.3
2.1
-
-
0.5
5.5
V
V
34845
Analog Integrated Circuit Device Data
8
Freescale Semiconductor
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