MAX16839ATT/V+T Maxim Integrated, MAX16839ATT/V+T Datasheet - Page 5

• Manufacturer Part Number: MAX16839ATT/V+T
• Description: LED Lighting Drivers High-Voltage Linear High-Brightness LED Driver with LED Fault Open Detect
• Manufacturer: Maxim Integrated

Specifications of MAX16839ATT/V+T

• Input Voltage: 5 V to 40 V
• Maximum Supply Current: 15 mA to 100 mA

( V
Typical values are at T
IN
LED CURRENT RISE/FALL TIMES
= 12V, R
CS
20Fs/div
7.40
7.39
7.38
7.37
7.36
7.35
7.34
7.33
7.32
7.31
7.30
High-Voltage, Linear High-Brightness LED
= 4.07I from CS to GND, C
-40
_______________________________________________________________________________________
-25
FAULT ACTIVATION THRESHOLD
A
-10 5 20 35 50
= +25NC.)
LED RISE TIME DELAY
MAX16839 toc08
(SUPPLY CHOPPING)
vs. TEMPERATURE
TEMPERATURE (NC)
1Fs/div
V
2V/div
0V
I
50mA/div
0
LED
DIM
Driver with Open-LED Fault Detect
65 80
FLTS
MAX16839 toc13
95
110
Typical Operating Characteristics (continued)
= 0.1FF, C
125
V
5V/div
0V
I
20mA/div
0
LED
IN
FLTS DISCHARGE
1s/div
IN
= 0.1FF, DIM input unconnected, T
V
IN
IS TURNED OFF
MAX16839 toc09
I
LED
V
5V/div
0V
V
5V/div
0V
FAULT ACTIVATION THRESHOLD
IN
FLTS
RESPONSE TO SUPPLY CHOPPING
AND OPEN-LED BLANKING
-10
20Fs/div
50
40
30
20
10
4ms/div
0
-40
LEAKAGE CURRENT vs. TEMPERATURE
V
V
-25
IN
FLTS
A
= 0V
= +25NC, unless otherwise noted.
-10
= 8V
MAX16839 toc12
MAX16839 toc14
5
TEMPERATURE (NC)
20
35
50
V
5V/div
I
20mA/div
0
V
2V/div
V
2V/div
0V
LED
IN
IN
FLTS
65
80
95
110
125
5