MAX16831ATJ+T Maxim Integrated Products, MAX16831ATJ+T Datasheet - Page 4

• 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
ELECTRICAL CHARACTERISTICS (continued)
(V
Typical specifications are at T
4
ERROR AMPLIFIER
FB Input Bias Current
EAMP Output Sink Current
EAMP Output Source Current
EAMP Input Common-Mode
Voltage
EAMP Output Clamp Voltage
Voltage Gain
Unity-Gain Bandwidth
OSCILLATOR, OSC SYNC, CLK, AND CLKOUT
RTSYNC Frequency Range
RTSYNC Oscillator Frequency
RTSYNC High-Level Voltage
RTSYNC Low-Level Voltage
CLKOUT High Level
CLKOUT Low Level
CLKOUT Maximum Load
Capacitance
DIM SYNC, DIM RAMP, AND DIM PWM GEN
Internal Ramp Frequency
External Sync Frequency Range
External Sync Low-Level Voltage
External Sync High-Level Voltage
DIM Comparator Offset
DIGITAL SOFT-START
Soft-Start Duration
OVERVOLTAGE COMPARATOR, LOAD OVERCURRENT COMPARATOR
OVP Overvoltage Comparator
Threshold
OVP Overvoltage Comparator
Hysteresis
SLOPE COMPENSATION
Slope Compensation Peak
Voltage Per Cycle
Slope Compensation
CC
_______________________________________________________________________________________
= V
UVEN
PARAMETER
= 14V, C
REG1
= 1µF, C
A
= +25°C.)
C
V
SYMBOL
f
V
OV_HYST
f
CLK_CAP
REG2
SWMAX
f
SWMIN
V
GBW
V
V
V
RAMP
DIMOS
f
V
A
SIHL
DIM
t
SILL
HTH
LTH
SS
OV
V
= 1µF, C
V
V
R
R
to AGND
R
R
I
I
f
V
Clock generated by R
External clock applied to RTSYNC
SINK
SOURCE
SW
FB
FB
COMP
COMP
T
T
OV
= 25kΩ
= 100kΩ
CLMP
= 500kHz
= 1.735V, V
= 0.735V, V
rising
= 0.8mA
= 100kΩ to AGND
= 100kΩ to AGND, C
= 1.6mA
= 0.1µF, R
CONDITIONS
COMP
COMP
T
T
= 25kΩ, T
= 1V
= 1V
COMP
A
= T
= 100pF
J
= -40°C to +125°C, unless otherwise noted.
-100
MIN
1.20
500
475
106
160
170
2.8
2.8
0.4
1.1
80
3
2
0
1.235
TYP
63.5
500
125
200
200
120
1.7
0.5
4.0
80
15
7
7
+100
MAX
2000
1.27
125
525
143
500
240
300
3.0
2.4
0.4
0.4
3.2
UNITS
mV/µs
MHz
kHz
kHz
mA
mA
mV
ms
mV
mV
nA
dB
Hz
Hz
pF
V
V
V
V
V
V
V
V
V