MAX16812 Maxim Integrated Products, MAX16812 Datasheet - Page 4

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

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted. Typical values are at T
Integrated High-Voltage LED Driver
with Analog and PWM Dimming Control
4
HIGH-SIDE DIMMING LINEAR REGULATOR ((V
Minimum Output Current
Output Voltage Range
DC Gain
DD Input Bias Current
DD Input Low Threshold
DIMMING ((V
DIM Input Bias Current
TGRM Input High Threshold
TGRM Reset High-to-TGRM Low
Pulse Width
TGRM Reset Switch R
Dimming Rise and Fall LED
Current Times
OVERVOLTAGE PROTECTION (OV)
OV Input High Threshold
OV Input Threshold Hysteresis
OV Input Bias Current
INTERNAL OSCILLATOR CLOCK
Internal Clock Frequency
SLOPE COMPENSATION INPUT (SLP)
SLP Input Current
LOW-SIDE GATE DRIVE (DRV)
DRV Output Low Impedance
DRV Output High Impedance
INTERNAL POWER MOSFET
GT Input Leakage Current
Internal MOSFET Gate-to-Source
Threshold Voltage
Internal MOSFET Gate Charge
IN
_______________________________________________________________________________________
= V
EN
PARAMETER
= 12V, C
HV
- V
L_REG
LV
DS(ON)
) = 21V)
= 3.3µF, C
SYMBOL
R
R
H_REG
DRV_LO
DRV_HI
I
f
I
I
V
DGT
I
I
OSC
DIM
Q
SLP
DD
OV
TH
g
= 1µF, C
A
= +25°C.)
V
(V
V
V
(V
V
C
(V
V
(V
V
V
V
V
RT = 2MΩ to AGND
RT = 50kΩ to AGND
V
DRV sinking 20mA
DRV sourcing 20mA
V
V
HV
LV
DGT
LV
REFI
TGRM
DIM
TGRM
OV
OV
SLP
GT
LX
DGT
DD
DD
DD
DGT
REF
- V
= V
= V
= 50V
= 0 to 5V
rising
= 1.1V
= 0V
- V
- V
- V
= 1.1V
= 1V, V
= 1.0V, V
= 1nF to LV
- V
LV
= 0V, V
= 1.3V
CS-
CS-
LV
LV
CS
= 47nF, V
LV)
) = 21V)
) = 1V, V
) = 1V, V
-) = 0.5V
, (V
, (V
> 1.5V, V
REFI
CS+
CS+
DIM
DIM
CONDITIONS
= 1.0V, sinking
TGRM
- V
- V
DIM
TGRM
= 1V, V
= 1V, sourcing
CS-
CS-
DD
= 1V, V
= 0V, R
) = 0.3V,
) = 0.2V,
= 0V, V
falling
REFI
TGRM
= 1.2V,
SRC
DGT
= 0V,
= 0.2Ω, R
= 3V,
CS
1.180
0.25
1.18
MIN
470
105
0.2
10
-3
-1
-1
-1
= 1Ω, T
3
A
1.230
TYP
0.50
1.23
525
125
150
1.2
1.2
2.5
www.DataSheet4U.com
60
14
= T
1
5
8
J
= -40°C to +125°C,
1.292
MAX
0.75
1.27
570
155
5.0
+3
+1
+1
+1
20
30
45
UNITS
kHz
mA
mV
dB
nC
µA
µA
µA
µA
µA
µs
µs
Ω
Ω
Ω
V
V
V
V
V