MAX16838ATP/V+ Maxim Integrated, MAX16838ATP/V+ Datasheet - Page 7

• 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

Integrated, 2-Channel, High-Brightness LED Driver
(V
V
OV
IN
= V
= V
CS
EN
with High-Voltage Boost and SEPIC Controller
= V
= 12V, R
LEDGND
5.010
5.005
5.000
4.995
4.990
4.985
4.980
4.975
I
I
V
OUT1
OUT2
2.5
2.0
1.5
1.0
0.5
_______________________________________________________________________________________
DIM
RT
0
0
0
= 12.2kI, R
= V
LED SWITCHING WITH DIM AT 200Hz
4
DIM
T
A
= +125°C
10
T
8
DRV LINE REGULATION
A
FREQUENCY vs. R
= V
= -40°C
(50% DUTY CYCLE)
12
INPUT VOLTAGE (V)
PGND
ISET
20
16
R
2ms/div
RT
T
20
A
(kI)
= 15kI, C
= +25°C
= V
30
24
SGND
28
RT
V
Typical Operating Characteristics (continued)
40
32
IN
MAX16838 toc13
VCC
= 12V
= 0V, V
36
= 1FF, V
50
40
10mA/div
0A
100mA/div
0A
5V/div
0V
GATE
CC
= V
= V
NDRV
DRV
, T
A
= V
V
5.010
5.005
5.000
4.995
4.990
4.985
4.980
4.975
4.970
4.965
I
= +25NC, unless otherwise noted.)
V
OUT_
LED_
150
140
130
120
110
100
DIM
V
90
80
70
60
50
40
30
20
10
CFB,
IN
0
10
0
15 20
V
T
DRAIN
A
= +25°C
5
LODIM MODE RESPONSE
DRV LOAD REGULATION
25 30 35 40 45 50 55 60 65 70 75
T
= V
A
10
I
T
LED
= +125°C
A
= -40°C
LOAD (mA)
R
20ms/div
COMP
ISET
vs. R
15
DIM ON-TIME < 5 x f
(kI)
ISET
= V
20
OUT_
V
V
MAX16838 toc12
IN
IN
25
= 12V
= 12V
, FLT = unconnected,
SW
30
10V/div
0V
5V/div
0V
100mA/div
0A
20V/div
0V
7