MAX16831ATJ+T Maxim Integrated Products, MAX16831ATJ+T Datasheet - Page 5

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
Typical specifications are at T
Note 1: Dropout voltage is defined as the input to output differential voltage at which the regulator output voltage drops 100mV below
Note 2: V
(V
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Hysteresis
CC
CC
28
27
26
25
24
23
22
21
20
19
18
= V
= V
-60
the nominal output voltage.
to drive the external MOSFET. V
response of the LED current-sense circuitry, resulting in current overshoot. To ensure proper operation, connect a 0.1µF
capacitor from CLMP to LO.
UVEN
UVEN
-40
CLMPTH
PARAMETER
-20 0
SHUTDOWN CURRENT
= 14V, C
= 14V, C
vs. TEMPERATURE
High-Voltage, High-Power LED Driver with
TEMPERATURE (°C)
determines the voltage required to operate the current-sense amplifier. The DIM driver requires 2.5V for (V
20
_______________________________________________________________________________________
40 60 80
REG1
REG1
= 1µF, C
= 1µF, C
A
= +25°C.)
100
120
SYMBOL
ΔT
REG2
Analog and PWM Dimming Control
REG2
T
140
HI
SHDN
SHDN
is typically one diode drop above V
= 10µF, C
= 1µF, C
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
Temperature rising
-60
CLMP
CLMP
-40
-20 0
= 0.1µF, R
OPERATING CURRENT
= 0.1µF, R
vs. TEMPERATURE
TEMPERATURE (°C)
20
CONDITIONS
40 60 80
T
T
DGT AND DRV NOT
SWITCHING
Typical Operating Characteristics
= 25kΩ, R
= 25kΩ, T
CLMP
100
120
CS
A
. A large capacitor connected to V
= T
140
= 0.1Ω, T
J
= -40°C to +125°C, unless otherwise noted.
120
110
100
90
80
70
60
50
40
30
20
10
A
0
= +25°C, unless otherwise noted.)
VOLTAGE ACROSS LED CURRENT-SENSE
0
MIN
RESISTOR vs. SUPPLY VOLTAGE
10
SUPPLY VOLTAGE (V)
+165
TYP
20
20
CLMP
MAX
30
slows the
CLMP
UNITS
°C
°C
- V
40
LO
5
)