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MAX16816 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX16816
Description  Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX16816 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VCC = VUVEN = 14V, CREG1 = 1µF, CREG2 = 1µF, CCLMP = 0.1µF, RT = 25kΩ, TA = TJ = -40°C to +125°C, unless otherwise noted.
Typical specifications are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ZOUT_L
VDRI = 7.0V, DRV sinking 250mA
2.8
4
Driver Output Impedance
ZOUT_H
VDRI = 7.0V, DRV sourcing 250mA
5.0
8
Ω
Peak Sink Current
ISK
VDRI = 7.0V
2.5
A
Peak Source Current
ISR
VDRI = 7.0V
1.4
A
PWM, ILIM, AND HICCUP COMPARATOR
PWM Comparator Offset
Voltage
VCOMP - (VSNS+ -VSNS-)
0.8
V
Peak Current-Limit
Comparator Trip Threshold
160
200
245
mV
Peak Current-Limit
Comparator Propagation
Delay (Excluding Blanking
Time)
50mV overdrive
40
ns
HICCUP Comparator Trip
Threshold
235
300
385
mV
SNS+ Input Bias Current
VSNS+ = 0V, VSNS- = 0V
-100
-65
µA
SNS- Input Bias Current
VSNS+ = 0V, VSNS- = 0V
-100
-65
µA
BLANKING TIME
Blanking Time Control Register is ‘00’
150
Blanking Time Control Register is ‘01’
125
Blanking Time Control Register is ‘10’
100
Blanking Time
Blanking Time Control Register is ‘11’
75
ns
ERROR AMPLIFIER
FB Input Bias Current
VFB = 1V
-100
+100
nA
EAMP Output Sink Current
VFB = 1.735V, VCOMP = 1V
3
7
mA
EAMP Output Source Current
VFB = 0.735V, VCOMP = 1V
2
7
mA
EAMP Input Common-Mode
Voltage
VCOM
(Note 5)
0
1.6
V
EAMP Output Clamp Voltage
1.3
2.0
2.7
V
Voltage Gain
AV
RCOMP = 100k
Ω to AGND
80
dB
Unity-Gain Bandwidth
GBW
RCOMP = 100k
Ω to AGND, CCOMP = 100pF
to AGND
0.5
MHz
OSCILLATOR, OSC SYNC, CLK, AND CLKOUT
fSW_MIN
125
SYNC Frequency Range
fSW_MAX
500
kHz
RTOF bit set to ‘0’, RT = 100k
Ω
106
125
143
RTSYNC Oscillator Frequency
RTOF bit set to ‘0’, RT = 25k
Ω
475
500
525
kHz
SYNC High-Level Voltage
VSIHL
2.8
V
SYNC Low-Level Voltage
VSILL
0.4
V


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