MAX17061ETI+ Maxim Integrated Products, MAX17061ETI+ Datasheet - Page 7

IC LED DRVR WHITE BCKLGT 28-TQFN

MAX17061ETI+

Manufacturer Part Number
MAX17061ETI+
Description
IC LED DRVR WHITE BCKLGT 28-TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LEDr
Datasheet

Specifications of MAX17061ETI+

Topology
PWM, Step-Up (Boost)
Number Of Outputs
8
Internal Driver
Yes
Type - Primary
Automotive, Backlight
Type - Secondary
White LED
Frequency
1MHz
Voltage - Supply
4.5 V ~ 26 V
Voltage - Output
5V
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
30mA
Internal Switch(s)
Yes
Operating Supply Voltage
5 V
Maximum Supply Current
2 mA
Maximum Power Dissipation
1667 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Efficiency
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
(Circuit of Figure 1, V
10 series x 4 parallel strings, T
90
89
88
87
86
85
vs. INPUT VOLTAGE (BRIGHTNESS = 100%)
7
BOOST CONVERTER EFFICIENCY
10
INPUT VOLTAGE (V)
26.0
25.8
25.6
25.4
25.2
25.0
24.8
24.6
24.4
24.2
24.0
13
_______________________________________________________________________________________
IN
5
4
3
2
1
0
LED CURRENT vs. AMBIENT TEMPERATURE
0
5
= 12V, C
16
SMBus = 255
8
A
AMBIENT TEMPERATURE ( C)
(BRIGHTNESS = 100%)
20
vs. INPUT VOLTAGE
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
CCV
INPUT VOLTAGE (V)
19
11
= 0.022µF, R
SMBus for LCD Panel Applications
SMBus = 0
40
14
60
8-String White LED Driver with
30
25
20
15
10
17
5
0
CCV
0
vs. SMBus BRIGHTNESS SETTING
= 5.1kΩ, V
80
20
50
SMBus BRIGHTNESS SETTING
LED CURRENT
100
ISET
= V
150
Typical Operating Characteristics
OSC
200
= V
30
25
20
15
10
10
8
6
4
2
0
5
0
5
5
DD
250
= V
8
8
CC
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
, R
LED CURRENT
30
25
20
15
10
11
11
5
0
FSET
SMBus = 0xFF
0
SMBus = 0x1F
= 464kΩ, V
14
14
20
vs. PWMI DUTY CYCLE
PWMI DUTY CYCLE (%)
17
17
LED CURRENT
40
PWMI
SMBus = 255
20
20
60
= GND, LEDs =
SMBus = 128
80
100
7

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