MAX17061A Maxim Integrated Products, MAX17061A Datasheet - Page 9

• Manufacturer Part Number: MAX17061A
• Description: 8-String White LED Driver
• Manufacturer: Maxim Integrated Products

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(Circuit of Figure 1, V
10 series x 4 parallel strings, T
0mA
0mA
0V
0V
0V
0V
0V
0A
(BRIGHTNESS = 100%, LED OPEN ON FB1)
(V
IN
_______________________________________________________________________________________
IN
= 12V 19V, BRIGHTNESS = 100%)
LED-OPEN FAULT PROTECTION
= 12V, C
LINE TRANSIENT RESPONSE
A
= +25°C, unless otherwise noted.)
400 s/div
100 s/div
CCV
SMBus for LCD Panel Applications
= 0.022µF, R
0.30
0.25
0.20
0.15
0.10
0.05
MAX17061A toc14
MAX17061A toc16
0
8-String White LED Driver with
5
Typical Operating Characteristics (continued)
CCV
V
1V/div
V
20V/div
I
1A/div
I
10V/div
V
20V/div
I
20mA/div
V
10V/div
I
20mA/div
FB2
FB2
L
FB1
FB1
OUT
OUT
IN
8
= 5.1kΩ, V
LED CURRENT BALANCE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
11
ISET
14
= V
0mA
0mA
0mA
0V
0V
0V
0V
0A
OSC
17
(V
(BRT = 100%, 2 LEDs SHORT ON FB1)
IN
= V
LED-SHORT FAULT PROTECTION
= 19V 12V, BRIGHTNESS = 100%)
20
LINE TRANSIENT RESPONSE
DD
= V
CC
100 s/div
1ms/div
, R
FSET
= 464kΩ, V
MAX17061A toc15
MAX17061A toc17
V
5V/div
V
10V/div
I
20mA/div
I
20mA/div
V
20V/div
V
10V/div
I
1A/div
I
20mA/div
FB1
FB2
L
FB1
FB1
FB2
OUT
IN
PWMI
= GND, LEDs =
9