MAX16822AASA+ Maxim Integrated Products, MAX16822AASA+ Datasheet - Page 3

• Manufacturer Part Number: MAX16822AASA+
• Description: IC LED DRIVER HIGH BRIGHT 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: HBLED Driverr

Specifications of MAX16822AASA+

• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 2MHz
• Voltage - Supply: 6.5 V ~ 65 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 350mA
• Internal Switch(s): Yes
• Operating Supply Voltage: 6 V to 65 V
• Maximum Supply Current: 1.5 mA
• Maximum Power Dissipation: 588.2 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
Integrated MOSFET and High-Side Current Sense
(V
unless otherwise noted.)
INTERNAL MOSFET
Drain-to-Source Resistance
LX Leakage Current
DIM INPUT
DIM Input-Voltage High
DIM Input-Voltage Low
DIM Turn-On Time
DIM Input Leakage High
DIM Input Leakage Low
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Threshold
Hsysteresis
THERMAL FOLDBACK
Thermal-Foldback Enable
Threshold Voltage
Thermal-Foldback Slope
TEMP_I Output Bias Current
IN
IN
= +24V, V
100
= V
95
90
85
80
75
70
5
DIM
3 LEDs
1 LED
PARAMETER
5 LEDs
= 48V, C
15
7 LEDs 9 LEDs
DIM
= V
25
EFFICIENCY
_______________________________________________________________________________________
VCC
IN
vs. V
11 LEDs13 LEDs 15 LEDs
V
IN
, T
35
2MHz, High-Brightness LED Drivers with
(V)
= 1µF, R
A
IN
= T
45
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
SENSE
55
SYMBOL
FB
I
V
t
LX_LEAK
I
R
DIM_ON
TEMP_I
TFB_ON
65
DSON
SLOPE
V
= 0.62Ω, L = 220µH (connected between IN and CS). Typical values are at T
V
IH
IL
100
90
80
70
60
50
40
30
20
10
V
I
V
I
V
V
V
V
V
V
Temperature rising
V
V
0
LX
LX
IN
IN
DIM
IN
CS
DIM
DIM
DIM
DIM
DIM
5
= 350mA
= 350mA
- V
= V
= V
- V
rising edge to V
= 0V, V
= V
= 0V
= 5V
= 5V
1 LED
CS
IN
15
DIM
DIM
IN
= 100mV
= 100mV
= 24V, V
= 6.0V, V
3 LEDs
25
LX
DUTY CYCLE
CONDITIONS
= 65V
vs. V
V
5 LEDs
IN
11 LEDs
35
(V)
IN
CS
7 LEDs
Typical Operating Characteristics
CS
LX
13 LEDs
= 23.9V,
45
= 5.9V,
< 0.5V
9 LEDs
55
15 LEDs
IN
65
100
90
80
70
60
50
40
30
20
10
0
MIN
5
2.8
1.9
25
-3
1 LED
A
= +25°C.)
3 LEDs
15
TYP
0.85
0.75
26.5
200
165
2.0
10
5 LEDs
1
25
FREQUENCY
vs. V
7 LEDs
V
IN
35
9 LEDs
(V)
MAX
IN
2.12
1.7
0.6
10
15
28
11 LEDs
2
0
A
13 LEDs
45
= +25°C,
15 LEDs
UNITS
55
1/V
μA
μA
μA
μA
ns
°C
°C
V
V
V
65
3