Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow)
PDIP, SO, µMAX lead(Pb)-free .....................................+260°C
PDIP, SO, µMAX, CERDIP containing lead(Pb) ............+240°C
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
CC
= 5V ±10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
Switch On-Resistance
Switch Frequency
Operating Supply Current (Note 1)
Shutdown Supply Current (Note 2)
Shutdown Input Threshold
Shutdown Input Leakage Current
FS Input Threshold
FS Input Leakage Current
Start-Up Voltage
High
Low
V
FS
= 0V
FS = V
CC
2.5
10
2.2
2.4
0.8
50
D1, D2; 100mA
FS = V
CC
or open
V
FS
= 0V
No load, V
SD
= 0V, FS low
SD = V
CC
High
Low
10
2.4
0.8
250
150
CONDITIONS
MIN
TYP
1.5
350
200
0.45
0.4
MAX
4.0
500
300
5.0
UNITS
Ω
kHz
mA
µA
V
µA
pA
V
µA
pA
V
Note 1:
Operating supply current is the current used by the MAX253 only, not including load current.
Note 2:
Shutdown supply current includes output switch-leakage currents.
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