MAX1986ETE+T Maxim Integrated Products, MAX1986ETE+T Datasheet - Page 16

• Manufacturer Part Number: MAX1986ETE+T
• Description: IC LED DRVR WHITE BCKLGT 16-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1986ETE+T

• 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