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
LED DRIVER (CONTINUED)
Off State leakage Current, All Channels
V
CH
= 45 V
LED Channels Rise and Fall Time
LED Open Protection, Channel Disabled if V
CH
≤
O
FDV
LED Short Protection Voltage, Channel Disabled if V
CH
≥
S
FDV
(channel on time
≥
10
μs)
FAIL PIN
Off State Leakage Current
V
FAIL
= 5.5 V
On State Voltage Drop
I
SINK
= 4.0 mA
OVER-TEMPERATURE SHUTDOWN
Over-temperature Threshold (shutdown mode)
Rising
Hysteresis
PWM INPUT
PWM Dimming Mode LED Current 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)
Input Frequency Range for PWM Pin
WAKE
Shutdown Mode Timeout
LOGIC INPUTS (PWM)
Input Low Voltage
Input High Voltage
Input Current
LOGIC INPUTS (EN)
Input Low Voltage
Input High Voltage
Input Current (V
EN
= 12 V)
LOGIC INPUTS (WAKE)
Input Low Voltage
Input High Voltage
Input Current
V
ILL
V
IHL
I
SINK
-0.3
2.1
-1.0
-
-
-
0.5
5.5
1.0
V
V
μA
V
ILL
V
IHL
I
SINK
-0.3
2.1
-
-
-
6.0
0.5
21
10
V
V
μA
V
ILL
V
IHL
I
SINK
-0.3
1.5
-1.0
-
-
-
0.5
5.5
1.0
V
V
μA
t
SHUTDOWN
27
30
33
ms
f
PWM
t
PWM_IN
1.6
-
0.4
-
DC
-
0.2
-
0.2
-
-
-
-
-
100
kHz
PWM
CONTROL
9.9
49.5
-
10
50
100
10.1
50.5
-
μs
%
OTT
SHUTDOWN
150
-
165
25
-
-
°C
V
OL
-
-
0.4
I
FAIL_LEAK
-
-
5.0
V
μA
t
R
/t
F
O
FDV
S
FDV
6.5
7.0
7.5
I
CH_LEAK
-
-
-
-
50
-
1.0
75
0.55
ns
V
V
μA
Symbol
Min
Typ
Max
Unit
34845
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
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