MAX16833_11 Datasheet, PDF (5/22 Pages) Maxim Integrated Products – High-Voltage HB LED Drivers with Integrated High-Side Current Sense

High-Voltage HB LED Drivers with
Integrated High-Side Current Sense
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 12V, RRT = 12.4kI, CIN = CVCC = 1µF, CLFRAMP/CREF = 0.1µF, NDRV = COMP = DIMOUT = PWMDIM = FLT = unconnected,
VOVP = VCS = VPGND = VSGND = 0V, VISENSE+ = VISENSE- = 45V, VICTRL = 1.40V, TA = TJ = -40NC to +125NC, unless otherwise
noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
OPEN-DRAIN FAULT (FLT)
Output Voltage Low
VOL-FLT VIN = 4.75V, VOVP = 2V, and ISINK = 5mA
40
200
mV
Output Leakage Current
VFLT = 5V
1
FA
THERMAL SHUTDOWN
Thermal-Shutdown Temperature
Temperature rising
+160
NC
Thermal-Shutdown Hysteresis
10
NC
Note 2: All devices are 100% tested at TA = +25NC. Limits over temperature are guaranteed by design.
Typical Operating Characteristics
(VIN = +12V, CVIN = CVCC = 1FF, CLFRAMP/CREF = 0.1FF, TA = +25NC, unless otherwise noted.)
IN RISING/FALLING UVLO THRESHOLD
vs. TEMPERATURE
4.8
4.7
VIN RISING
4.6
4.5
4.4
4.3
VIN FALLING
4.2
-40 -15 10 35 60 85 110 125
TEMPERATURE (°C)
VCC vs. IVCC
7.00
6.95
6.90
6.85
6.80
6.75
0
5 10 15 20 25 30 35 40 45 50
IVCC (mA)
QUIESCENT CURRENT
vs. TEMPERATURE
4
VPWMDIM = 0V
3
2
1
0
-40 -15 10 35 60 85 110 125
TEMPERATURE (°C)
VCC vs. TEMPERATURE
7.10
7.05
7.00
6.95
6.90
6.85
6.80
6.75
-40 -15
10 35 60 85 110 125
TEMPERATURE (°C)
QUIESCENT CURRENT vs. VIN
2.5
VPWMDIM = 0V
2.0
VIN ~ 4.6V
1.5
1.0
0.5
0
1
10
100
VIN (V)
DIMOUT (WITH RESPECT TO ISENSE+)
vs. TEMPERATURE
-6.2
-6.7
-7.2
-7.7
-8.2
-8.7
-40 -15
10 35 60 85 110 125
TEMPERATURE (°C)
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