MAX16838ATP/V+ Maxim Integrated, MAX16838ATP/V+ Datasheet - Page 5

• Manufacturer Part Number: MAX16838ATP/V+
• Description: LED Lighting Drivers Integrated 2-Channel High-Brightness LED Drivers with High-Voltage DC-DC Controller
• Manufacturer: Maxim Integrated

Specifications of MAX16838ATP/V+

• Input Voltage: 4.75 V to 40 V
• Maximum Supply Current: 3.1 mA
• Power Dissipation: 2051 mW

(V
V
Integrated, 2-Channel, High-Brightness LED Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
= V
values are at T
Note 2: All devices are 100% tested at T
Note 3: The shutdown current does not include currents in the OV and CFB resistive dividers.
Note 4: Gain = DV
FLT LOGIC
Output-Voltage Low
Output Leakage Current
OVERVOLTAGE PROTECTION
OV Trip Threshold
OV Hysteresis
OV Input Bias Current
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
OV
IN
IN
CS
= V
= V
= V
= V
CS
EN
EN
with High-Voltage Boost and SEPIC Controller
LEDGND
PARAMETER
= V
V
= 12V, R
= 12V, R
I
V
OUT
LED
LX
LEDGND
A
= 25NC.) (Note 2)
SWITCHING WAVEFORM AT 200Hz
COMP
= V
_______________________________________________________________________________________
RT
RT
DIM
= 12.2kI, R
= 12.2kI, R
= V
(50% DUTY CYCLE)
/DV
DIM
= V
CS
1ms/div
PGND
, 0.05V < V
= V
PGND
ISET
ISET
SYMBOL
= V
V
= 15kI, C
= 15kI, C
SGND
= V
OL
MAX16838 toc01
A
CS
= +125NC. Limits over temperature are guaranteed by design, not production tested.
SGND
< 0.15V.
= 0V, V
V
V
V
0 P V
10V/div
0V
100mA/div
0A
20V/div
0V
VCC
VCC
IN
FILT
OV
= 0V, V
= 4.75V and I
rising
OV
GATE
= 1FF, V
= 5.5V
= 1FF, V
P 1.3V
GATE
= V
CC
CC
= V
CONDITIONS
NDRV
SINK
= V
= V
NDRV
, T
Typical Operating Characteristics
DRV
DRV
= 5mA
A
, T
= T
A
= V
= V
= +25NC, unless otherwise noted.)
J
CFB,
CFB
= -40NC to +125NC, unless otherwise noted. Typical
5.0
4.5
4.0
3.5
3.0
2.5
2.0
, DRAIN, COMP, OUT_, FLT = unconnected, V
V
4
DRAIN
T
8
A
= +125°C
I
IN
12
= V
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
16
COMP
T
-300
1.19
-100
A
MIN
= +25°C
20
T
A
= V
24
= -40°C
OUT_
28
TYP
1.23
165
70
15
V
32
IN
, FLT = unconnected,
= 12V
36
1.265
MAX
+300
+100
0.4
40
UNITS
mV
nA
nA
o
o
V
V
C
C
OV
5