PAM2811 Datasheet, PDF (5/12 Pages) Power Analog Micoelectronics – 4-Channel Single-Wire Dimming LED Drive with Ultra Low Dropout Current Sink

PAM2811
4-Channel Single-Wire Dimming LED Drive with
Ultra Low Dropout Current Sink
Absolute Maximum Ratings
These are stress ratings only and functional operation is not implied. Exposure to absolute
maximum ratings for prolonged time periods may affect device reliability. All voltages are with
respect to ground.
Input Voltage Range............................-0.3V to 6V
PWM Pin voltage.................-0.3V to (V + _IN 0.3V)/6V
Maximum Junction Temperature..................150°C
Storage Temperature.....................-65°C to 150°C
Soldering Temperature.......................300°C,5sec
Recommended Operating Conditions
Input Voltage Range..........................2.7V to 5.5V Junction Temperature Range..........-40°C to 125°C
Ambient Temperature Range............-40°C to 85°C
Thermal Information
Parameter
Thermal Resistance (Junction to Ambient)
Thermal Resistance (Junction to Case)
Package
QFN 3x3-16L
MSOP-8L
SOT23-8
DFN2X2-8L
QFN 3x3-16L
MSOP-8L
SOT23-8
DFN2X2-8L
Symbol
θ_JA
θ_JC
Electrical Characteristic
T_A=25 °C, V_IN=3.6V, unless otherwise noted.
PARAMETER
Symbol
CONDITIONS
Input Voltage
Output Current
Current Matching
LED Dropout Voltage
Quiescent Current
Shutdown Current
Startup Time
EN Input Logic High
EN Input Logic Low
EN Low Time for Dimming
EN High Time for Dimming
Shutdown Delay Time
Thermal Shutdown Temperature
Hysteresis Temperature
V_IN
ILED
VDO
IQ
ISD
TON
VHI
VLO
TLO
THI
TOFF
TP
All LEDs 100% setting
All LEDs 100% setting
ILED=20mA
ILED=0
VEN=0V, VIN=5.5V
VEN=0V
Maximum
35
180
250
80
14
75
130
20
Unit
°C/W
°C/W
MIN TYP MAX UNITS
2.7
5.5
V
18
20 22
mA
-3
+3
%
60
mV
270
μA
0.1 1
μA
30
μs
1.5
V
0.4
V
0.5
500 μs
0.5
μs
1000 2000 μs
150
℃
30
℃
Power Analog Microelectronics,Inc
www.poweranalog.com
5
03/2010 Rev1.0