PJ2931CS-3.3V Просмотр технического описания (PDF) - Promax Johnton
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PJ2931CS-3.3V Datasheet PDF : 5 Pages
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PJ2931
Ultra Low Dropout Voltage Regulator
THe PJ2931 voltage regulator features a very low quiescent current of 1mA or less when supplying 10mA loads. This unique
characteristic and the extremely low input-output differential required for proper regulation (0.2V for output currents of
10mA) make the PJ2931 the ideal regulator for standby power systems. Applications include memory standby circuits, CMOS
and other low power processor power supplies as well as systems demanding as much as 100mA of output current.
Designed originally for automotive applications, the PJ2931 and all regulated circuitry are protected from reverse battery
installations or 2 battery jumps. During line transients, such as a load dump (60V) when the input voltage to the regulator can
momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both internal
circuits and the load. The PJ2931 can not be harmed by temporary mirror-image insertion. Familiar regulator features such as
short circuit and thermal overload protection are also provided.
Fixed output of 5V is available in the popular TO-92 and SOT-89 package. An adjustable output version, with on/off switch,
is available in SOP-8 package.
FEATURES
z Very low quiescent current
z Output current up to 100mA
z Input-Output differential less than 0.6V
z Reverse battery protection
z Unregulated DC input can withstand +60V positive transients
and -20V reverse battery
z Short circuit protection
z Internal thermal overload protection
z Available as adjustable with TTL compatible switch
z 100% electrical burn-in in thermal limit
z Available in plastic SOP-8, TO-92, SOT-89 package
ORDER INFORMATION
TO-92
SOT-89
Fix Output is By passb
Adj Output is Adj
Pin:1.Output
2.Ground
3.Input
SOP-8
Device
Operating Temperature
(Ambient)
PJ2931CT-xx
PJ2931CY-xx
PJ2931CS-xx
-20℃ ~ +85℃
PJ2931CS-Adj
xx = Output Voltage (2.85V, 3.3V, 5.0V)
ABSOLUTE MAXIMUM RATINGS
Package
TO-92
SOT-89
SOP-8
Pin:1.Outp
2. Ground
3. Ground
4. By passb/Adj
5.On/Off
6.Ground
7.Ground
8.Input
Fix Output is By passb
Adj Output is Adj
Input Supply Voltage
Internal Power Dissipation (Note 1)
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temp.(Soldering, 10 seconds)
+26V
Internally Limited
-20℃ to +85℃
125℃
-40℃ to +150℃
210℃
1-5
2002rev.A
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