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MAX16841
Controller IC for Dimmable Offline LED Lamps
ABSOLUTE MAXIMUM RATINGS
IN to GND ..............................................................-0.3V to +26V
NDRV, DIMOUT to GND ........................... -0.3V to (VIN + 0.3V)
All Other Pins to GND .............................................-0.3V to +6V
NDRV Continuous Current .............................................. Q 10mA
DIMOUT Continuous Current ............................................ Q 2mA
Operating Temperature Range ........................ -40 N C to +125 N C
Junction Temperature .....................................................+150 N C
Storage Temperature Range............................ -65 N C to +150 N C
Lead Temperature (soldering, 10s) ................................+300 N C
Soldering Temperature (reflow) ......................................+260 N C
Continuous Power Dissipation (TA = +70 N C)
8 SO (derate 7mW/ N C above +70 N C) ..................588.2mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion 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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
8 SO
Junction-to-Ambient Thermal
Resistance ( B JA ) (based on S8+2) ...........................136 N C/W
Junction-to-Case Thermal
Resistance ( B JC ) (based on S8+2) .............................38 N C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial .
ELECTRICAL CHARACTERISTICS
(V IN = 12V, T A = T J = -40 N C to +12 5 N C, unless otherwise noted. Typical values are at T A = +25 N C.) (Note 2)
PARAMETER
IN Operating Range
IN Undervoltage Threshold
IN Overvoltage Threshold
SYMBOL
V IN
UVLOR IN
OVLOR IN
CONDITIONS
V IN rising, V HYST = 1V
V IN rising, V HYST = 1.8V
MIN
11
9.5
21
TYP
10
22
MAX
20
10.5
23
UNITS
V
V
V
NDRV not switching, V TH = 0V
0.7
1.3
2.6
NDRV switching, 177.5k W /330pF on
IN Input Supply Current
I IN
NDRV, V TH = 5V, V COMP = 2V,
1.7
2.7
4.2
mA
V CS = 0V, V REFI = 2.35V
TH
V IN = 8V
1.6
TH Operating Range
0
4
V
TH Threshold Voltage
TH Input Supply Current
V TH
V TH rising, hysteresis = 150mV
V TH = 0V
1.17
1.215
0.16
1.26
0.3
V
F A
REFI
REFI Operating Range
V REFI
0.5
3.25
V
REFI Input Supply Current
V REFI = 2V
48.5
50
51.5
F A
DIMOUT
DIMOUT On-Resistance
TH to DIMOUT Propagation
Delay
DIMOUT = IN
DIMOUT = GND
V TH rising
V TH falling
20
20
40
40
40
40
80
80
I
ns
INTERNAL OSCILLATOR
RT = 47.5K I
50
Oscillator Frequency
RT = 177.5k I
RT = 297.5k I
160
270
180
300
200
330
kHz
Maxim Integrated
2
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