MAX16834 Maxim Integrated Products, MAX16834 Datasheet - Page 3

• Manufacturer Part Number: MAX16834
• Description: High-Power LED Driver
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
R
High-Power LED Driver with Integrated High-Side LED
Input Leakage Current
OSCILLATOR
Oscillator Frequency
Oscillator Frequency Range
External Sync Input Clock High
Threshold
External Sync Input Clock Low
Threshold
External Sync Input High Pulse
Width
Maximum External Sync Period
SLOPE COMPENSATION (SC)
SC Pullup Current
SC Discharge Resistance
REFI
REFI Input Bias Current
REFI Input Common-Mode Range
SENSE+
SENSE+ Input Bias Current
HIGH-SIDE LED CURRENT-SENSE AMPLIFIER (V
Input Offset Voltage
Voltage Gain
3dB Bandwidth
LOW-SIDE LED CURRENT-SENSE AMPLIFIER
Input Offset Voltage
Voltage Gain
3dB Bandwidth
CURRENT ERROR AMPLIFIER (TRANSCONDUCTANCE AMPLIFIER)
Transconductance
Open-Loop DC Gain
Input Offset Voltage
COMP Voltage Range
PWM COMPARATOR
Input Offset Voltage
Propagation Delay
RT
IN
Current Sense and PWM Dimming MOSFET Driver
= 10kΩ, T
= V
HV
PARAMETER
= 12V, V
A
= T
J
_______________________________________________________________________________________
= -40°C to +125°C, unless otherwise noted. Typical values are at T
UVEN
= 5V, V
LV
SYMBOL
V
= V
I
R
f
SCPU
COMP
OSC
g
t
A
A
A
SCD
PD
m
V
V
V
PWMDIM
V
R
R
(Note 4)
(Note 4)
(Note 4)
(Note 4)
V
V
V
(Note 4)
(V
V
V
(V
(V
V
V
V
(Note 4)
50mV overdrive
PWMDIM
SC
SC
REFI
LV
LV
LV
LV
COMP
RT/SYNC
RT/SYNC
SENSE+
SENSE+
SENSE+
SENSE+
= SGND, C
> 5V, (V
> 5V, (V
< 1V, (V
< 1V, (V
= 100mV
= 100mV
= 1V
= 2V, V
= 0
- V
= 5kΩ
= 25kΩ
- V
- V
- V
SENSE+
SENSE+
SENSE+
SENSE+
LV
LV
LV
LV
VCC
CONDITIONS
) = 100mV
) = 0.1V, no load
) = 0.02V, no load
PWMDIM
)
= 4.7µF, C
- V
- V
- V
- V
LV
LV
LV
LV
= 5V
) = 5mV
) = 0.2V
) = 0V
) = 0.2V
LCV
= 100nF, C
A
= +25°C.)
MIN
-2.4
180
100
200
400
-10
0.9
9.7
9.7
0.4
0.6
80
-2
2
0
REF
= 100nF, R
TYP
0.65
200
100
600
600
500
9.9
1.8
9.9
I1I
50
I1I
60
40
1
8
0
0
0
MAX
1000
SENSE+
+2.4
10.1
10.1
0.70
+10
220
120
250
600
1.1
0.4
2.5
+2
2
= 0.1Ω,
UNITS
MHz
MHz
kHz
kHz
kHz
kHz
mV
V/V
mV
V/V
mV
µA
µA
µA
µA
µS
dB
ns
µs
ns
Ω
V
V
V
V
V
3