Datasheet

5Maxim Integrated
High-Voltage HB LED Drivers with
Integrated High-Side Current Sense
MAX16833/MAX16833B–MAX16833D
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12V, R
RT
= 12.4kI, C
IN
= C
VCC
= 1µF, C
LFRAMP
/C
REF
= 0.1µF, NDRV = COMP = DIMOUT = PWMDIM = FLT = unconnected,
V
OVP
= V
CS
= V
PGND
= V
SGND
= 0V, V
ISENSE+
= V
ISENSE-
= 45V, V
ICTRL
= 1.40V, T
A
= T
J
= -40NC to +125NC, unless otherwise
noted. Typical values are at T
A
= +25NC.) (Note 2)
Note 2: All devices are 100% tested at T
A
= +25NC. Limits over temperature are guaranteed by design.
Typical Operating Characteristics
(V
IN
= +12V, C
VIN
= C
VCC
= 1FF, C
LFRAMP
/C
REF
= 0.1FF, T
A
= +25NC, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OPEN-DRAIN FAULT (FLT)
Output Voltage Low
V
OL-FLT
V
IN
= 4.75V, V
OVP
= 2V, and I
SINK
= 5mA 40 200 mV
Output Leakage Current
V
FLT
= 5V
1
FA
THERMAL SHUTDOWN
Thermal-Shutdown Temperature Temperature rising +160
NC
Thermal-Shutdown Hysteresis 10
NC
IN RISING/FALLING UVLO THRESHOLD
vs. TEMPERATURE
MAX16833 toc01
TEMPERATURE (°C)
IN RISING/FALLING UVLO THRESHOLD (V)
11085603510-15
4.3
4.4
4.5
4.6
4.7
4.8
4.2
-40 125
V
IN
RISING
V
IN
FALLING
QUIESCENT CURRENT
vs. TEMPERATURE
MAX16833 toc02
TEMPERATURE (°C)
QUIESCENT CURRENT (mA)
11085603510-15
1
2
3
4
0
-40 125
V
PWMDIM
= 0V
QUIESCENT CURRENT vs. V
IN
MAX16833 toc03
V
IN
(V)
QUIESCENT CURRENT (mA)
10
0.5
1.0
1.5
2.0
2.5
0
1 100
V
IN
~ 4.6V
V
PWMDIM
= 0V
V
CC
vs. I
VCC
MAX16833 toc04
I
VCC
(mA)
V
CC
(V)
45403530252015105
6.80
6.85
6.90
6.95
7.00
6.75
05
0
V
CC
vs. TEMPERATURE
MAX16833 toc05
TEMPERATURE (°C)
V
CC
(V)
11085603510-15
6.80
6.85
6.90
6.95
7.00
7.05
7.10
6.75
-40 125
MAX16833 toc06
TEMPERATURE (°C)
110
85603510-15
-8.2
-7.7
-7.2
-6.7
-6.2
-8.7
-40 125
DIMOUT (WITH RESPECT TO ISENSE+)
vs. TEMPERATURE
DIMOUT (WITH RESPECT TO ISENSE+) (V)