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MAX16826
Programmable, Four-String HB LED Driver with
Output-Voltage Optimization and Fault Detection
ABSOLUTE MAXIMUM RATINGS
IN to GND (Continuous) .........................................-0.3V to +30V
IN Peak Current ( ≤ 400ms) ...............................................300mA
IN Continuous Current ........................................................50mA
PGND to GND .......................................................-0.3V to +0.3V
All Other Pins to GND...............................................-0.3V to +6V
DL Peak Current (< 100ns)....................................................±3A
DL Continuous Current .....................................................±50mA
DL1, DL2, DL3, DL4 Peak Current ..................................±50mA
DL1, DL2, DL3, DL4 Continuous Current ........................±20mA
All Other Pins Current .......................................................±20mA
Continuous Power Dissipation (T A = +70°C)
32-Pin Thin QFN (derate 34.5mW/°C above +70°C)
Multilayer Board ..........................................................2759mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ........…………………+300°C
Soldering Temperature (reflow) .......................................+260°C
V CC Continuous Current .....................................................50mA
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = 12V, R19 = 2k Ω , C33 = 2200pF, R17 = 1.27k Ω , C DL_ = 0.01μF, T J = -40°C to +125°C, unless otherwise noted. Typical values
are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power-Supply Voltage
Quiescent Current
Shutdown Current
Standby Current
V IN
I IN
I IN,SD
I IN,SB
V SYNC = 3V
DL_ = unconnected; R19, C33 = open
V SYNC = 0V
I 2 C standby activated
4.75
5
20
3
24
10
75
V
mA
μA
mA
I 2 C-COMPATIBLE I/O (SCL, SDA)
Input High Voltage
Input Low Voltage
Input Hysteresis
V IH
V IL
V HYS
1.5
25
0.5
V
V
mV
Input High Leakage Current
Input Low Leakage Current
Input Capacitance
Output Low Voltage
Output High Current
I IH
I IL
C IN
V OL
I OH
V LOGIC = 5V
V LOGIC = 0V
I OL = 3mA
V OH = 5V
-1
-1
10
+1
+1
0.4
1
μA
μA
pF
V
μA
I 2 C-COMPATIBLE TIMING
Serial Clock (SCL) Frequency
BUS Free Time Between STOP
and START Conditions
START Condition Hold Time
STOP Condition Setup Time
Clock Low Period
Clock High Period
Data Setup Time
f SCL
t BUF
t HD:STA
t SU:STO
t LOW
t HIGH
t SU:DAT
1.3
0.6
0.6
1.3
0.6
0.3
400
kHz
μs
μs
μs
μs
μs
μs
Data In Hold Time
Data Out Hold Time
t HD:DATIN
t HD:DATOUT
0.03
0.3
0.9
μs
μs
2
Maxim Integrated
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