ACT6311
ABSOLUTE MAXIMUM RATINGS
Rev 3, 22-Feb-11
(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect
device reliability.)
PARAMETER
IN, SHDN Voltage
SW Voltage
FB Voltage
Maximum Power Dissipation (derate 5mW/°C above T
A
= 50°C)
Junction to Ambient Thermal Resistance (θ
JA
)
Operating Junction Temperature
Lead Temperature (Soldering, 10 sec)
VALUE
-0.3 to 6
-0.3 to 30
-0.3 to V
IN
+ 0.3
0.4
190
-40 to 150
300
UNIT
V
V
V
W
°C/W
°C
°C
ELECTRICAL CHARACTERISTICS
(V
IN
= V
SHDN
= 3V, T
A
= 25°C, unless otherwise specified.)
PARAMETER
Input Voltage Range
Feedback Voltage
FB Input Current
Supply Current
Supply Current in Shutdown
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch On Voltage
Switch Leakage Current
SHDN Logic High Threshold
SHDN Logic Low Threshold
SHDN Input Current
SYMBOL
V
FB
TEST CONDITIONS
V
IN
= 3V
MIN
2.5
1.18
TYP
1.24
50
MAX UNIT
5.5
1.30
V
V
nA
1.5
1
1.2
mA
µA
MHz
%
mA
mV
10
µA
V
0.4
V
µA
SHDN = IN
SHDN = G
f
SW
D
MAX
I
LIM
75% Duty Cycle
I
SW
= 200mA
V
SW
= 20V, SHDN = G
1.6
0.8
80
0.7
0
1
85
320
350
0
1
Innovative Power
TM
-3-
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