MAX8648ETE+ Maxim Integrated Products, MAX8648ETE+ Datasheet - Page 6

• 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

Ultra-Efficient Charge Pumps for
Six White/RGB LEDs in 3mm x 3mm Thin QFN
(V
6
IN
30
25
20
15
10
_______________________________________________________________________________________
5
0
= 3.6V, V
-40
LED CURRENT vs. TEMPERATURE
-15
EN_
I
I
V
LED5
LED6
EN_
V
V
I
I
IN
IN
TEMPERATURE (°C)
IN
IN
= V
10
IN
(V
, circuit of Figure 1, T
LINE-TRANSIENT RESPONSE
STARTUP AND SHUTDOWN
IN
35
= 4.3V TO 3.8V TO 4.3V)
(MAX8648)
60
1ms/div
1ms/div
85
ENA = ENB = ENC
MAX8647/48 toc16
MAX8647/48 toc18
A
I
V
LED
I
IN
IN
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
1x MODE OPERATING WAVEFORMS
200mA/div
200mA/div
24mA
20mA/div
2V/div
AC-COUPLED
20mV/div
0A
2V/div
0A
4.3V
3.8V
0A
(V
400ns/div
IN
= 4V)
ALL LEDs ON
I
LED
MAX8647/48 toc14
TOTAL I
= 24mA
V
LED5
I
LED6
EN_
V
I
IN
IN
100mA/div
0A
20mA/div
0A
AC-COUPLED
100mV/div
LINE-TRANSIENT RESPONSE WITH MODE
CHANGE (V
SINGLE-WIRE PULSE DIMMING
I
LED
V
I
IN
IN
IN
(MAX8648)
= 3.8V TO 3.4V TO 3.8V)
1.5x MODE OPERATING WAVEFORMS
10ms/div
1ms/div
OPERATING IN 1x
MODE, ALL 6 LEDs
OPERATING
MAX8647/48 toc17
(V
MAX8647/48 toc19
400ns/div
IN
= 3V)
20mA/div
0A
5V/div
200mA/div
24mA
20mA/div
3.8V
3.4V
0mA
ALL LEDs ON
I
LED
MAX8647/48 toc15
= 24mA
100mA/div
20mA/div
0A
AC-COUPLED
100mV/div
0A