MAX8647ETE+ Maxim Integrated Products, MAX8647ETE+ Datasheet - Page 13

IC LED DRVR WT/RGB BCKLGT 16TQFN

MAX8647ETE+

Manufacturer Part Number
MAX8647ETE+
Description
IC LED DRVR WT/RGB BCKLGT 16TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LED, RGB (I²C Interface)r
Datasheet

Specifications of MAX8647ETE+

Constant Current
Yes
Topology
PWM, Switched Capacitor (Charge Pump)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
RGB, White LED
Frequency
1MHz
Voltage - Supply
1.7 V ~ 5.5 V
Voltage - Output
5V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
24mA
Internal Switch(s)
Yes
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Supply Current
1.6 mA
Maximum Power Dissipation
1667 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
Lead free / RoHS Compliant
Figure 5. MAX8647 Typical Application Circuit
Figure 7. Driving LEDs with Multiple Supplies
2.7V TO 5.5V
BRIGHTNESS
ON/OFF AND
INPUT
I
2
C PORT
1μF
1.7V TO 5.5V
Six White/RGB LEDs in 3mm x 3mm Thin QFN
V
LOGIC
0.1μF
SDA
SCL
IN
GND
V
______________________________________________________________________________________
DD
C1P
1μF
C1N
MAX8647
INTERFACE
C2P
SERIAL-
PULSE
2.7V TO 5.5V
1μF
INPUT
C2N
LED1
LED2
LED3
LED4
LED5
LED6
1μF
NEG
EP
Ultra-Efficient Charge Pumps for
WHITE OR
IN
GND
ENA
ENB
ENC
1μF
RGB LED
C1P
1μF
D1
D2
D3
D4
D5
D6
C1N
MAX8648
C2P
1μF
C2N
LED1
LED2
LED3
LED4
LED5
LED6
NEG
EP
Figure 6. MAX8648 Typical Application Circuit
2.7V TO 5.5V
INTERFACE
INPUT
SERIAL-
PULSE
1μF
RED CHARGE
INDICATOR
WHITE OR
RGB LED
1μF
D1
D2
D3
D4
D5
D6
V1
IN
GND
ENA
ENB
ENC
C1P
V2
1μF
C1N
MAX8648
V3
C2P
1μF
C2N
LED1
LED2
LED3
LED4
LED5
LED6
NEG
EP
WHITE OR
RGB LED
1μF
D1
D2
D3
D4
D5
D6
13

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