MAX1910EUB+T Maxim Integrated Products, MAX1910EUB+T Datasheet - Page 10

• Manufacturer Part Number: MAX1910EUB+T
• Description: IC LED DRVR WHITE BCKLGT 10-MSOP
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1910EUB+T

• Topology: Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 625kHz ~ 875kHz
• Voltage - Supply: 2.7 V ~ 5.3 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 80mA
• Internal Switch(s): Yes
• Number Of Segments: 4
• Operating Supply Voltage: 2.7 V to 5.3 V
• Maximum Supply Current: 2.5 mA
• Maximum Power Dissipation: 444 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: Details

1.5x/2x High-Efficiency White LED
Charge Pumps
Figure 8. Circuit with SOT DAC for Intensity Control
Figure 9. Using Digital Logic Input for Intensity Control
10
______________________________________________________________________________________
V
IN
V
IN
1
1
MAX5380 (2-WIRE INPUT)
MAX5383 (3-WIRE INPUT)
2.2 F
2.2 F
0.47 F
0.47 F
0.47 F
0.47 F
SERIAL
INPUT
IN1
C1+
C1-
C2+
C2-
IN1
C1+
C1-
C2+
C2-
IN2
DIMMING INPUT
(0V OR V
GND
3.3V
V
IN2
DD
MAX1910
MAX1912
MAX1910
MAX1912
LOGIC
SHDN
SHDN
)
GND
OUT
GND
OUT
SET
HIGH DAC OUTPUT (2V) = 15mA LED CURRENT
LOW DAC OUTPUT (0V) = 45mA LED CURRENT
OUT
SET
R
22.1k
A
1.58k
R
A
R
B
2.2 F
R
B
2.2 F
15
R
4.7
15
L
R
L
15
15