MAX16818ATI+ Maxim Integrated Products, MAX16818ATI+ Datasheet - Page 5

• 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

(T
A
26.0
25.5
25.0
24.5
24.0
23.5
23.0
100
60
50
40
30
20
10
80
60
40
20
= +25°C, using Figure 5 , unless otherwise noted.)
0
0
100
0
1
SUPPLY CURRENT (I
EXTERNAL CLOCK
NO DRIVER LOAD
V
f
V
f
R1 = 1mΩ
V
SW
SW
IN
IN
OUT
HICCUP CURRENT LIMIT vs. R
vs. DRIVER LOAD CAPACITANCE
300
= 12V
= 12V
= 250kHz
= 250kHz
= 1.5V
4
6
500
DRIVER FALL TIME
CAPACITANCE (nF)
FREQUENCY (kHz)
V
IN
8
R
700
11
_______________________________________________________________________________________
= 24V
EXT
1.5MHz, 30A High-Efficiency, LED Driver
V
(MΩ)
IN
DL
Q
900
) vs. FREQUENCY
= 5V
12
16
DH
1100
V
16
IN
1300
21
= 12V
EXT
1500
20
with Rapid LED Current Pulsing
5.25
5.15
5.05
4.95
4.85
4.75
70
68
66
64
62
60
-40
0
SUPPLY CURRENT vs. TEMPERATURE
V
f
C
SW
IN
DL
= 12V
/C
= 250kHz
HIGH-SIDE DRIVER (DH) SINK
25
DH
-15
V
AND SOURCE CURRENT
= 22nF
CC
V
vs. INPUT VOLTAGE
CC
TEMPERATURE (°C)
V
50
IN
LOAD REGULATION
V
LOAD CURRENT (mA)
IN
= 24V
10
= 5V
100ns/div
75
Typical Operating Characteristics
35
100
C
V
LOAD
IN
= 12V
60
V
MAX16818 toc08
125
IN
= 22nF
= 12V
150
85
2A/div
29.0
28.5
28.0
27.5
27.0
26.5
26.0
100
80
60
40
20
0
0
1
V
f
V
f
C
V
SW
SW
IN
IN
IN
LOAD
vs. DRIVER LOAD CAPACITANCE
= 12V
= 12V
= 250kHz
= 12V
= 250kHz
CURRENT-SENSE THRESHOLD
LOW-SIDE DRIVER (DL) SINK
= 22nF
1
6
AND SOURCE CURRENT
vs. OUTPUT VOLTAGE
DRIVER RISE TIME
CAPACITANCE (nF)
2
11
100ns/div
V
OUT
(V)
DL
3
16
DH
MAX16818 toc09
4
21
5
3A/div
5