MAX16826ATJ+C24 Maxim Integrated Products, MAX16826ATJ+C24 Datasheet - Page 4

• Manufacturer Part Number: MAX16826ATJ+C24
• Description: LED Drivers Programmable Four-St ring HB LED Driver w
• Manufacturer: Maxim Integrated Products

Specifications of MAX16826ATJ+C24

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Programmable, Four-String HB LED Driver with
Output-Voltage Optimization and Fault Detection
ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
4
ERROR AMPLIFIER (FB, COMP)
Open-Loop Gain
Unity-Gain Bandwidth
Phase Margin
Error-Amplifier Output Current
COMP Clamp Voltage
COMP Short-Circuit Current
PWM CURRENT LIMIT (CS)
Cycle-by-Cycle Current-Limit
Threshold
Cycle-by-Cycle Current-Limit
Propagation Time To DL
Gross Current-Limit Threshold
Gross Current-Limit Propagation
Time To DL
Input Bias Current
PWM OSCILLATOR (RTCT)
RTCT Voltage Ramp (Peak to
Peak)
RTCT Voltage Ramp Valley
Discharge Current
Frequency Range
SYNCHRONIZATION (SYNC/ENABLE)
Input Rise/Fall Time
Input Frequency Range
Input High Voltage
Input Low Voltage
Input Minimum Pulse Width
Input Bias Current
Delay to Shutdown
LED DIMMING (DIM1–DIM4)
Input High Voltage
Input Low Voltage
Minimum Dimming Frequency
Input Bias Current
IN
_______________________________________________________________________________________
= 12V, R19 = 2kΩ, C33 = 2200pF, R17 = 1.27kΩ, C
A
= +25°C.) (Note 1)
PARAMETER
V
RAMP_VALLEY
t
I
SYMBOL
V
t
PROP,GCL
V
COMP_SC
PROP, CL
V
V
DIM,MAX
I
DIM,MIN
COMP
V
f
COMP
f
I
A
V
RAMP
I
BW
PM
OSC
DIM
DIM
GCL
DIS
OL
CL
Sourcing, V
Sinking, V
V
V
10mV overdrive
V
10mV overdrive
0V < V
5.5V < V
5.5V < V
V
5.5V < V
0V < V
V
t
0V < V
ON
FB
DL
CSS
RTCT
SYNC
DL_
= 2µs (Note 3)
= 0V
= 0V
= 0V
CS
SYNC
DIM_
= 2V
= 0.01µF, T
= 0V
IN
IN
IN
COMP
< 5.5V
< 24V
< 24V
< 24V
COMP
< 5.5V
< 5.5V
CONDITIONS
= 2V
= 3V
J
= -40°C to +125°C, unless otherwise noted. Typical values
-100
-100
-100
3.25
1.60
1.11
MIN
187
250
100
100
200
7.8
1.5
1.5
13
45
TYP
1.65
1.20
200
270
1.9
0.9
8.4
80
65
12
80
80
32
2
0
0
0
+100
+100
+100
MAX
1000
1000
1.80
1.27
217
280
200
4.5
9.1
0.5
0.5
65
Degrees
UNITS
MHz
kHz
kHz
mA
mA
mA
mV
mV
dB
nA
nA
Hz
nA
ns
ns
ns
ns
µs
V
V
V
V
V
V
V