MAX17061A Maxim Integrated Products, MAX17061A Datasheet - Page 5

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

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ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
T
BOOST CONVERTER
LX On-Resistance
Operating Frequency
OSC High-Level Threshold
OSC Midlevel Threshold
OSC Low-Level Threshold
Maximum Duty Cycle
LX Current Limit
CONTRL INPUT
SDA, SCL Logic Input-High Level
SDA, SCL Logic Input-Low Level
PWMI Logic Input-High Level
PWMI Logic Input-Low Level
INPUT LEAKAGE
SDA Output Low Sink Current
LED CURRENT
Full-Scale FB_ Output Current
ISET High-Level Threshold
ISET Output Voltage
Current Regulation
Between Strings
Minimum FB_ Regulation Voltage
Maximum FB_ Ripple
FB_ On-Resistance
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
PARAMETER
_______________________________________________________________________________________
IN
= 12V, C
CCV
20mA from LX_ to PGND
V
V
V
Duty cycle = 75% (Note 1)
V
ISET = V
R
R
R
Default setting
ISET = V
I
I
I
I
I
V
FB_
FB_
FB_
FB_
FB_
FB_
SMBus for LCD Panel Applications
OSC
OSC
OSC
SDA
ISET =
ISET
ISET =
= 0.022µF, R
= 25mA
= 30mA
= 20mA
= 15mA
= 20mA (C
= 50mV (includes 10
= 0.4V
= V
= open
= GND
= 200k
133k
266k
CC
CC
CC
8-String White LED Driver with
CCV
OUT
= 5.1kΩ, V
= 1μF, OSC = V
CONDITIONS
sense resistor)
ISET
A
= +25°C.)
= V
CC
) (Note1)
OSC
= V
DD
= V
CC
, 5V = R
1.166
V
V
0.89
24.5
28.6
19.0
14.4
MIN
675
450
-1.5
425
575
380
285
0.4
1.6
2.1
2.1
0.4
1.5
CC
CC
94
4
-
-
FSET
TYP
= 464kΩ, V
1.306
MAX
V
1100
1.10
25.5
31.4
21.0
15.6
28.4
825
560
910
740
560
200
0.3
2.0
0.4
0.8
0.8
1.5
CC
97
PWMI
-
UNITS
mV
= GND,
MHz
kHz
mA
mA
mV
%
%
A
V
V
V
V
V
V
V
V
P-P
5