MAX16812 Maxim Integrated Products, MAX16812 Datasheet - Page 3

• Manufacturer Part Number: MAX16812
• Description: Integrated High-Voltage LED Driver
• Manufacturer: Maxim Integrated Products

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
www.DataSheet4U.com
72
= T
5
4
J
= -40°C to +125°C,
+0.10
+100
+100
MAX
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
nA
nA
µA
µA
ns
Ω
V
V
V
V
V
V
V
V
3