MAX16818ATI+ Maxim Integrated Products, MAX16818ATI+ Datasheet - Page 6

• Manufacturer Part Number: MAX16818ATI+
• Description: IC LED DRIVR PWM CONTROL 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: PWM Controlr

Specifications of MAX16818ATI+

• Topology: High Side, Low Side, PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive, Backlight
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 125kHz ~ 1.5MHz
• Voltage - Supply: 4.75 V ~ 5.5 V, 7 V ~ 28 V
• Voltage - Output: 5.1V
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 30A
• Internal Switch(s): Yes
• Low Level Output Current: 4 A
• High Level Output Current: 4000000 uA (Typ)
• Operating Supply Voltage: 7 V to 28 V
• Maximum Supply Current: 5.5 mA
• Maximum Power Dissipation: 2758 mW
• Maximum Operating Temperature: + 125 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

1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
6
(T
A
C
V
HIGH-SIDE DRIVER (DH) RISE TIME
IN
LOAD
_______________________________________________________________________________________
= +25°C, using Figure 5 , unless otherwise noted.)
= 12V
= 22nF
40ns/div
260
258
256
254
252
250
248
246
244
242
240
-40
LOW-SIDE DRIVER (DL) FALL TIME
FREQUENCY vs. TEMPERATURE
-15
MAX16818 toc10
TEMPERATURE (°C)
10
40ns/div
2V/div
35
C
V
IN
LOAD
= 12V
60
MAX16818 toc13
V
IN
= 22nF
Typical Operating Characteristics (continued)
= 12V
HIGH-SIDE DRIVER (DH) FALL TIME
85
2V/div
40ns/div
C
V
LOAD
IN
10,000
= 12V
1000
MAX16818 toc11
100
= 22nF
30
V
SYNC, CLKOUT, AND LX WAVEFORM
V
f
SW
IN
IN
70
= 12V
= 12V
= 250kHz
2V/div
110
150
FREQUENCY vs. R
190
230
1µs/div
R
T
270
(kΩ)
310
C
V
LOW-SIDE DRIVER (DL) RISE TIME
IN
LOAD
350
= 12V
T
390
= 22nF
MAX16818 toc16
430
470
510
40ns/div
SYNC
5V/div
CLKOUT
5V/div
LX
10V/div
MAX16818 toc12
2V/div