MAX17149ETE+ Maxim Integrated Products, MAX17149ETE+ Datasheet - Page 6

• Manufacturer Part Number: MAX17149ETE+
• Description: LED Drivers 6-String WLED Driver
• Manufacturer: Maxim Integrated Products

Specifications of MAX17149ETE+

• Operating Supply Voltage: 3 V to 26 V
• Maximum Supply Current: 4 mA
• Maximum Power Dissipation: 1176 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-16
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1. V
Low-Cost, 6-String WLED Drivers with
Quick-PWM Step-Up Converter
6
20.20
20.15
20.10
20.05
20.00
6
5
4
3
2
1
0
IN
IN QUIESCENT CURRENT vs. IN VOLTAGE
100% BRIGHTNESS) vs. INPUT VOLTAGE
5
5
= 12V, T
LED CURRENT (I
8
8
STARTUP WAVEFORMS
12V
11
11
INPUT VOLTAGE (V)
A
IN VOLTAGE (V)
= +25°C, unless otherwise noted.)
14
14
4ms/div
100% BRIGHTNESS
0% BRIGHTNESS
LED
17
17
= 20mA AT
20
20
MAX17129 toc08
Typical Operating Characteristics (continued)
23
23
26
26
V
5V/div
0V
V
50V/div
0V
INDUCTOR
CURRENT
500mA/div
0A
V
20V/div
0V
EN
LX
OUT
2.06
2.04
2.02
2.00
1.98
5
10% BRIGHTNESS) vs. INPUT VOLTAGE
(V
LED CURRENT (I
IN
8
SWITCHING WAVEFORMS
= 12V, BRIGHTNESS = 100%)
STARTUP WAVEFORMS
11
12V
INPUT VOLTAGE (V)
14
4ms/div
1µs/div
LED
17
= 20mA AT
20
MAX17129 toc07
MAX17129 toc09
23
26
V
5V/div
0V
V
50V/div
0V
INDUCTOR
CURRENT
500mA/div
0A
V
20V/div
0V
V
20V/div
0V
INDUCTOR
CURRENT
500mA/div
0mA
EN
LX
OUT
LX