MAX8648ETE+ Maxim Integrated Products, MAX8648ETE+ Datasheet - Page 9

• Manufacturer Part Number: MAX8648ETE+
• Description: IC LED DRVR WT/RGB BCKLGT 16TQFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LED, RGB (Serial Interface)r

Specifications of MAX8648ETE+

• 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

The MAX8647 is shutdown when all LEDs are turned off
through the I
active and ready to receive a command.
Figure 1. Block Diagram and Application Circuit
2.7V TO 5.5V
V
1μF
IN
C1
Six White/RGB LEDs in 3mm x 3mm Thin QFN
2
IN
GND
V
SCL (ENB)
SDA (ENC)
DD
C port. In shutdown, the I
(ENA)
_______________________________________________________________________________________
SERIAL PULSE
AND CONTROL
INTERFACE
I
( ) ARE FOR THE MAX8648
2
C OR
MAX8647
MAX8648
C1P
Shutdown Mode
1μF
Ultra-Efficient Charge Pumps for
C3
SHUTDOWN
CURRENT
CONTROL
THERMAL
SOURCE
CHARGE PUMP
OSCILATOR
C1N
INVERTING
2
C port is still
1MHz
C2P
BIAS
1μF
C2
C2N
REGULATOR
REGULATOR
REGULATOR
REGULATOR
REGULATOR
REGULATOR
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
The MAX8648 is shutdown when all three EN_ are held
low for 4ms or longer. In shutdown, NEG is pulled to
GND with a 10kΩ internal resistor.
SEL
MIN
LED1
LED2
LED3
LED4
LED5
LED6
NEG
EP
TP7
V
IN
C4
1μF
9