MAX16831ATJ+T Maxim Integrated Products, MAX16831ATJ+T Datasheet - Page 6

• Manufacturer Part Number: MAX16831ATJ+T
• Description: IC LED DRIVR HIGH BRIGHT 32-TQFN
• Manufacturer: Maxim Integrated Products
• Type: HBLED Driverr

Specifications of MAX16831ATJ+T

• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED), RGB
• Frequency: 125kHz ~ 600kHz
• Voltage - Supply: 5.5 V ~ 76 V
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -
• Lead Free Status / Rohs Status: Details

High-Voltage, High-Power LED Driver with
Analog and PWM Dimming Control
6
(V
CC
7.10
7.05
7.00
6.95
6.90
6.85
6.80
3.02
3.01
3.00
2.99
2.98
2.97
2.96
_______________________________________________________________________________________
6
5
4
3
2
1
0
= V
-60
-60
0
UVEN
-40 -20
-40 -20
5
REG2 OUTPUT VOLTAGE
REG1 OUTPUT VOLTAGE
REF OUTPUT VOLTAGE
= 14V, C
vs. SUPPLY VOLTAGE
10
vs. TEMPERATURE
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
15
20
20
40 60 80 100 120 140
20
40 60 80 100 120 140
REG1
25
= 1µF, C
I
I
REG2
REF
I
REG1
30
= 100μA
= 20mA
= 2mA
35
REG2
40
= 10µF, C
3.02
3.00
2.99
2.98
2.97
2.96
3.01
Typical Operating Characteristics (continued)
8.3
8.2
8.1
8.0
7.9
7.8
7.7
7.6
7.5
8
7
6
5
4
3
2
1
0
-225
-60
0
CLMP
-175
-40
5
CLMP REGULATOR VOLTAGE
-20 0
-125 -75
REG2 OUTPUT VOLTAGE
REF OUTPUT VOLTAGE
= 0.1µF, R
vs. SUPPLY VOLTAGE
10
vs. LOAD CURRENT
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
LOAD CURRENT (μA)
TEMPERATURE (°C)
V
CLMP VOLTAGE = V
15
HI
20 40
-25 25
- V
20
LO
T
= 11V
60 80 100 120 140
= 25kΩ, R
25
75 125 175 225
I
REG2
30
CLMP
= 20mA
35
- V
CS
LO
40
= 0.1Ω, T
5.02
5.00
4.98
4.96
4.94
4.92
4.90
530
520
510
500
490
480
470
A
9
8
7
6
5
4
3
2
1
= +25°C, unless otherwise noted.)
-60
-60
0
-40 -20
-40 -20
CLMP REGULATOR VOLTAGE = V
PWM OSCILLATOR FREQUENCY
5
CLMP REGULATOR VOLTAGE
REG1 OUTPUT VOLTAGE
10
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. (V
15
V
20
20
HI
- V
HI
20
40 60 80 100 120 140
40 60 80 100 120 140
LO
- V
(V)
25
LO
)
I
REG1
30
R
CLMP
T
= 25kΩ
= 2mA
35
- V
LO
40