MAX1986ETE+ Maxim Integrated Products, MAX1986ETE+ Datasheet - Page 16
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MAX1986ETE+
Manufacturer Part Number
MAX1986ETE+
Description
IC LED DRVR WHITE BCKLGT 16-TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LEDr
Datasheet
1.MAX1986ETET.pdf
(17 pages)
Specifications of MAX1986ETE+
Topology
PWM, Step-Up (Boost)
Number Of Outputs
4
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
800kHz ~ 1.2MHz
Voltage - Supply
2.7 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
25mA
Internal Switch(s)
Yes
Efficiency
90%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Details
Ultra-High-Efficiency White
LED Drivers
Figure 6. Standard Application Circuit of the MAX1985
16
0.22µF
BRIGHTNESS
CONTROL
C3
______________________________________________________________________________________
LED SELECT
2.7V TO 5.5V
V
V
IN
IN
2 x 2.2µF
14
13
16
15
17
19
20
8
REF
SETI
BITA
BITB
BITC
MODE
SEL
LDG
C1
GND
3
15µH
MAX1985
L1
2
LX
18
IN
OUT
N.C.
N.C.
LD1
LD2
LD3
LD4
LD5
LD6
1
5
6
7
9
10
11
4
12
C2
0.1µF
D1
D2
D3
D4
D5
D6
C4
2 x 2.2µF
Figure 7. Standard Application Circuit of the MAX1986
BRIGHTNESS
CONTROL
0.22µF
C3
2.7V TO 5.5V
V
IN
V
IN
2 x 2.2µF
10
12
11
13
15
9
REF
SETI
BITA
BITB
BITC
MODE
C1
GND
3
22µH
MAX1986
L1
2
LX
14
IN
OUT
LDG
LD1
LD2
LD3
LD4
SEL
1
4
5
7
8
6
16
C2
0.1µF
LED SELECT
D1
D2
D3
D4
C4
2 x 2.2µF