MAX16818ETI+ Maxim Integrated Products, MAX16818ETI+ Datasheet - Page 2

• Manufacturer Part Number: MAX16818ETI+
• Description: IC LED DRIVR PWM CONTROL 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: PWM Controlr

Specifications of MAX16818ETI+

• 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 ~ 85°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: + 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

1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
ABSOLUTE MAXIMUM RATINGS
IN to SGND.............................................................-0.3V to +30V
BST to SGND..........................................................-0.3V to +35V
BST to LX..................................................................-0.3V to +6V
DH to LX .......................................-0.3V to [(V
DL to PGND................................................-0.3V to (V
V
V
SGND to PGND .....................................................-0.3V to +0.3V
All Other Pins to SGND...............................-0.3V to (V
ELECTRICAL CHARACTERISTICS
(V
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
SYSTEM SPECIFICATIONS
Input Voltage Range
Quiescent Supply Current
LED CURRENT REGULATOR
SENSE+ to SENSE- Accuracy
(Note 2)
Soft-Start Time
STARTUP/INTERNAL REGULATOR
V
V
V
MOSFET DRIVERS
Output Driver Impedance
Output Driver Source/Sink Current
Nonoverlap Time
OSCILLATOR
Switching Frequency Range
Switching Frequency
Switching Frequency
Switching Frequency
Switching Frequency Accuracy
CC
CC
CC
CC
CC
CC
, V
_______________________________________________________________________________________
to SGND............................................................-0.3V to +6V
= 5V, V
Undervoltage Lockout
Undervoltage Hysteresis
Output Voltage
DD
to PGND ...................................................-0.3V to +6V
PARAMETER
DD
= V
CC
, T
A
= T
J
= T
MIN
to T
SYMBOL
I
UVLO
DH
R
t
f
V
t
MAX
NO
SW
I
SS
ON
Q
IN
,I
BST
DL
, unless otherwise noted. Typical specifications are at T
- V
LX_
Short IN and V
operation
EN = V
No load, V
No load, V
V
V
Low or high output, I
C
R
R
R
120kΩ ≤ R
40kΩ ≤ R
DD
CC
CC
IN
T
T
T
DH/DL
) + 0.3V]
= 500kΩ
= 120kΩ
= 39.9kΩ
= 7V to 28V, I
+ 0.3V)
+ 0.3V)
rising
CC
= 5nF
T
IN
IN
or SGND, not switching
T
≤ 120kΩ
≤ 500kΩ
= 4.75V to 5.5V, f
= 7V to 28V, f
CC
CONDITIONS
SOURCE
Continuous Power Dissipation (T
Operating Temperature Range
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
together for 5V input
28-Pin TQFN (derate 34.5mW/°C above +70°C) .......2758mW
MAX16818ATI+..............................................-40°C to +125°C
MAX16818ETI+................................................-40°C to +85°C
SOURCE/SINK
= 0 to 60mA
SW
= 500kHz
SW
= 500kHz
= 20mA
0.594
0.594
1515
4.75
4.85
MIN
125
121
495
4.1
-5
-8
7
A
A
= +70°C)
= +25°C.) (Note 1)
1024
1620
TYP
200
125
521
0.6
0.6
5.1
2.7
4.3
1.1
35
4
0.606
0.606
MAX
1500
1725
5.50
5.30
129
547
5.5
4.5
3.0
+5
+8
28
UNITS
Cycles
Clock
kHz
kHz
mA
mV
ns
%
Ω
V
V
V
V
A