MAX1910EUB+T Maxim Integrated Products, MAX1910EUB+T Datasheet - Page 10
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MAX1910EUB+T
Manufacturer Part Number
MAX1910EUB+T
Description
IC LED DRVR WHITE BCKLGT 10-MSOP
Manufacturer
Maxim Integrated Products
Type
Backlight, White LEDr
Datasheet
1.MAX1912EUBT.pdf
(11 pages)
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