MAX16812ATI+ Maxim Integrated Products, MAX16812ATI+ Datasheet - Page 3

IC LED DRIVR HIGH BRIGHT 28-TQFN

MAX16812ATI+

Manufacturer Part Number
MAX16812ATI+
Description
IC LED DRIVR HIGH BRIGHT 28-TQFN
Manufacturer
Maxim Integrated Products
Type
HBLED Driverr
Datasheet

Specifications of MAX16812ATI+

Constant Current
Yes
Topology
PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Automotive
Type - Secondary
High Brightness LED (HBLED)
Frequency
125kHz ~ 500kHz
Voltage - Supply
5.5 V ~ 76 V
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Operating Temperature
-40°C ~ 125°C
Internal Switch(s)
Yes
Number Of Segments
2
Low Level Output Current
1.2 mA
High Level Output Current
1 A
Operating Supply Voltage
5.5 V to 76 V
Maximum Supply Current
2.5 mA
Maximum Power Dissipation
2759 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
-
Current - Output / Channel
-
Efficiency
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(V
erwise noted. Typical values are at T
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted. Typical values are at T
HIGH-SIDE UNDERVOLTAGE LOCKOUT AND LINEAR REGULATOR (H_REG) ((V
H_REG Input-Voltage Threshold
H_REG Supply Voltage
H_REG Load Regulation
Dropout Voltage
HIGH-SIDE CURRENT-SENSE AMPLIFIERS (V
CS- Input Bias Current
CS+ Input Bias Current
Input Voltage Range
Minimum Output Current
Output Voltage Range
DC Voltage Gain
Unity-Gain Bandwidth
Maximum REFI Input Voltage
PWM COMPARATOR
COMP Input Leakage Current
SRC Input Leakage Current
Comparator Offset Voltage
Input Voltage Range
Propagation Delay
ERROR AMPLIFIER
FB Input Current
REFI Input Current
Error-Amplifier Offset Voltage
Input Common-Mode Range
Source Current
Sink Current
COMP Clamp Voltage
DC Gain
Unity-Gain Bandwidth
IN
IN
= V
= V
EN
EN
PARAMETER
PARAMETER
= 12V, C
= 12V, C
L_REG
L_REG
_______________________________________________________________________________________
with Analog and PWM Dimming Control
= 3.3µF, C
= 3.3µF, C
Integrated High-Voltage LED Driver
A
SYMBOL
SYMBOL
V
I
H_REG
I
H_REG
V
LKCOMP
V
CS_OUT
= +25°C.)
I
I
CS_OUT
V
LKSRC
V
COMP
OS(EA)
I
COMP
I
V
CS+
t
CS-
REFI
SRC
PD
OS
= 1µF, C
= 1µF, C
A
= +25°C.)
V
I
I
I
HV
V
V
V
Sinking
Sourcing
V
V
V
V
(V
V
50mV overdrive
V
V
V
V
(V
(V
V
H_REG
H_REG
H_REG
H_REG
CS-
CS-
CS-
COMP
DIM
COMP
DIM
COMP
FB
FB
FB
FB
REF
COMP
REFI
FB
- V
REF
REF
= 1V, V
= 1V, V
= V
= (V
- V
= V
= V
= V
= 0.5V
= 0.5V
= 1.2V, V
LV
- V
= 0
= 0 to 3mA
= 5mA
= 1V, V
= 0V, V
= V
COMP
REFI
= 47nF, V
is rising
- V
= 47nF, V
) = 21V
COMP
LV
LV
LV
FB
, (V
, (V
SRC
SRC
REFI
REFI
) ≥ 0.5V
) ≥ 0.5V
= 1.2V
CS+
CS+
FB
) = V
- 0.9V)
SRC
SRC
CONDITIONS
CONDITIONS
+ 860mV
= 1.2V
= 1V
= 0V
TGRM
TGRM
- V
- V
= 0.5V, V
= 0.5V, V
OS
CS-
CS-
= 0V, R
= 0V, R
) = -0.1V
) = 0.1V
TGRM
TGRM
SRC
SRC
= 1V,
= 0V,
= 0.2Ω, T
HV
= 0.2Ω, R
- V
LV
) = 21V)
A
CS
= T
-0.10
MIN
3.60
4.75
-100
-100
1.20
MIN
400
300
-23
25
80
-1
= 1Ω, T
-5
0
0
0
0
J
= -40°C to +125°C, unless oth-
A
3.887
TYP
TYP
820
860
100
0.8
0.8
72
= T
5
4
J
= -40°C to +125°C,
+0.10
MAX
+100
+100
MAX
1.23
2.56
4.20
5.40
0.25
+23
500
1.5
1.5
1.0
+1
+5
80
UNITS
UNITS
MHz
MHz
V/V
mV
mV
mV
µA
µA
µA
dB
µA
µA
ns
nA
nA
µA
µA
Ω
V
V
V
V
V
V
V
V
3

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