Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

MAX16812 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX16812
Description  Integrated High-Voltage LED Driver with Analog and PWM Dimming Control
Download  21 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
Logo 

MAX16812 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
Zoom Inzoom in Zoom Outzoom out
 4 / 21 page
background image
Integrated High-Voltage LED Driver
with Analog and PWM Dimming Control
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HIGH-SIDE DIMMING LINEAR REGULATOR ((VHV - VLV) = 21V)
VLV = VCS-, (VCS+ - VCS-) = 0.3V,
(VDD - VLV) = 1V, VDIM = 1V, VTGRM = 0V,
VDGT = 1V, VREFI = 1.0V, sinking
1.2
Minimum Output Current
IDGT
VLV = VCS-, (VCS+ - VCS-) = 0.2V,
(VDD - VLV) = 1V, VTGRM = 0V, VDGT = 3V,
VREFI = 1.0V, VDIM = 1V, sourcing
1.2
mA
Output Voltage Range
0.2
5.0
V
DC Gain
CDGT = 1nF to LV
60
dB
DD Input Bias Current
IDD
(VDD - VCS-) = 0.5V
-3
+3
µA
DD Input Low Threshold
VTGRM = 0V, VDIM = 1V, VREFI = 1.2V,
(VDGT - VLV) > 1.5V, VDD falling
0.25
0.50
0.75
V
DIMMING ((VHV - VLV) = 21V)
DIM Input Bias Current
IDIM
VDIM = 1.1V
-1
+1
µA
TGRM Input High Threshold
1.18
1.23
1.27
V
TGRM Reset High-to-TGRM Low
Pulse Width
1µs
TGRM Reset Switch RDS(ON)
VTGRM = 1.3V
20
Dimming Rise and Fall LED
Current Times
5µs
OVERVOLTAGE PROTECTION (OV)
OV Input High Threshold
VOV rising
1.180
1.230
1.292
V
OV Input Threshold Hysteresis
14
mV
OV Input Bias Current
IOV
VOV = 1.1V
-1
+1
µA
INTERNAL OSCILLATOR CLOCK
RT = 2M
Ω to AGND
470
525
570
Internal Clock Frequency
fOSC
RT = 50k
Ω to AGND
105
125
155
kHz
SLOPE COMPENSATION INPUT (SLP)
SLP Input Current
ISLP
VSLP = 0V
150
µA
LOW-SIDE GATE DRIVE (DRV)
DRV Output Low Impedance
RDRV_LO
DRV sinking 20mA
3
30
DRV Output High Impedance
RDRV_HI
DRV sourcing 20mA
10
45
INTERNAL POWER MOSFET
GT Input Leakage Current
VGT = 0 to 5V
-1
+1
µA
Internal MOSFET Gate-to-Source
Threshold Voltage
VTH
2.5
V
Internal MOSFET Gate Charge
Qg
VLX = 50V
8
nC
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VEN = 12V, CL_REG = 3.3µF, CH_REG = 1µF, CREF = 47nF, VTGRM = 0V, RSRC = 0.2Ω, RCS = 1Ω, TA = TJ = -40°C to +125°C,
unless otherwise noted. Typical values are at TA = +25°C.)


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn