MAX8901B Maxim Integrated Products, MAX8901B Datasheet - Page 12

• Manufacturer Part Number: MAX8901B
• Description: Highest Efficiency Supply
• Manufacturer: Maxim Integrated Products

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Highest Efficiency Supply for 2 to 6
Series WLEDs in a 2mm x 2mm TDFN Package
12
Figure 4. MAX8901A Application Circuit
Figure 5. MAX8901B Application Circuit
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SERIAL-PULSE
CONTROL
DIMMING
2.6V TO 5.5V
PWM DIMMING
2.6V TO 5.5V
CONTROL
INPUT
INPUT
1μF
1μF
C1
C1
0.022μF
0.022μF
0Ω
C3
C3
R1
7
6
7
3
2
3
6
2
IN
COMP
GND
ON
IN
COMP
GND
ON
MAX8901B
MAX8901A
22μH
22μH
EP
EP
L1
L1
PGND
PGND
OVP
OVP
CS
LX
CS
LX
1
4
5
1
5
8
4
8
D1
D1
C2
1μF
C2
0.1μF
UP TO 25V
UP TO 25V
OUTPUT
OUTPUT
R1 (R
20Ω
CS
D2–D7
)