MAX16826ATJ+T Maxim Integrated Products, MAX16826ATJ+T Datasheet - Page 5

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

Specifications of MAX16826ATJ+T

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

ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
Output-Voltage Optimization and Fault Detection
Note 1: All devices are 100% production tested at T
Note 2: I
Note 3: Minimum frequency to allow the internal ADC to complete at least one measurement. t
Note 4: Minimum LED current pulse duration, which is required to correctly acquire 1 bit.
ADC (DR1–DR4, OVP)
Maximum Error
ADC Single Bit Acquisition
Latency
DR Channel Sample Time
OVP Channel Sample Time
Full-Scale Input Voltage
Least Significant Bit
DR Input Bias Current
DRAIN FAULT COMPARATORS (DR1–DR4) (Shorted LED String Comparator)
Drain Fault Comparator
Threshold
Drain Fault Comparator Delay
LINEAR REGULATORS (DL1–DL4, CS1–CS4)
Transconductance
Maximum Output Current
CS1–CS4 Input Bias Current
CS1–CS4 Regulation Voltage
Maximum
CS1–CS4 Regulation Voltage
Minimum
CS1–CS4 Regulation Voltage LSB
IN
= 12V, R19 = 2kΩ, C33 = 2200pF, R17 = 1.27kΩ, C
Programmable, Four-String HB LED Driver with
A
in regulation.
CC
= +25°C.) (Note 1)
PARAMETER
includes the internal bias currents and the current used by the gate drivers to drive DL, DL1, DL2, DL3, and DL4.
_______________________________________________________________________________________
t
SYMBOL
t
OVP,SMPL
V
V
V
DR,SMPL
V
CS,MAX
E
CS,MIN
CS,LSB
V
t
V
DFTH
Gm
I
DFD
I
I
MAX
LSB
DR
DL
CS
FS
J
(Note 4)
0V < V
Voltage to drive DL1–DL4 low
10mV overdrive
ΔI = -500µA
Sourcing or sinking
0V < V
CS_ = DL_, FB DAC full scale;
MAX16826 only
CS_ = DL_, FB DAC full scale;
MAX16826B only
CS_ = DL_, FB DAC minus full scale;
MAX16826 only
CS_ = DL_, FB DAC minus full scale;
MAX16826B only
CS_ = DL_, FB DAC 1-bit transition
= +25°C and T
DL_
DR_
CS
= 0.01µF, T
< 5.5V
< 5.5V
CONDITIONS
J
= +125°C. Limits to -40°C are guaranteed by design.
J
= -40°C to +125°C, unless otherwise noted. Typical values
ON
1.215
-100
-100
MIN
306
308
1.4
is the on-time with the LED current
90
90
TYP
1.24
9.76
1.52
1.72
190
316
318
20
75
15
97
99
2
0
1
0
1.2550
+100
+100
MAX
1.63
±50
324
328
105
109
UNITS
mA
mV
ms
mV
mS
mV
mV
mV
nA
nA
µs
µs
µs
V
V
5