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LM350 Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce LM350
Description  3-Amp Adjustable Regulators
Download  21 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM350 Fiches technique(HTML) 1 Page - Texas Instruments

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LM150, LM350-N, LM350A
www.ti.com
SNVS772B – MAY 1998 – REVISED MARCH 2013
LM150/LM350A/LM350 3-Amp Adjustable Regulators
Check for Samples: LM150, LM350-N, LM350A
In
addition
to
higher
performance
than
fixed
1
FEATURES
regulators, the LM150 series offers full overload
2
Adjustable Output Down to 1.2V
protection available only in IC's. Included on the chip
Guaranteed 3A output Current
are current limit, thermal overload protection and safe
area protection. All overload protection circuitry
Guaranteed Thermal Regulation
remains fully functional even if the adjustment
Output is Short Circuit Protected
terminal is accidentally disconnected.
Current Limit Constant with Temperature
Normally, no capacitors are needed unless the device
P+ Product Enhancement Tested
is situated more than 6 inches from the input filter
86 dB Ripple Rejection
capacitors in which case an input bypass is needed.
An output capacitor can be added to improve
Ensured 1% Output Voltage Tolerance
transient response, while bypassing the adjustment
(LM350A)
pin will increase the regulator's ripple rejection.
Ensured Max. 0.01%/V Line Regulation
Besides
replacing
fixed
regulators
or
discrete
(LM350A)
designs, the LM150 is useful in a wide variety of
Ensured Max. 0.3% Load Regulation (LM350A)
other applications. Since the regulator is “floating”
and sees only the input-to-output differential voltage,
APPLICATIONS
supplies of several hundred volts can be regulated as
long as the maximum input to output differential is not
Adjustable Power supplies
exceeded, i.e., avoid short-circuiting the output.
Constant Current Regulators
By
connecting
a
fixed
resistor
between
the
Battery Chargers
adjustment pin and output, the LM150 can be used
as a precision current regulator. Supplies with
DESCRIPTION
electronic shutdown can be achieved by clamping the
The LM150 series of adjustable 3-terminal positive
adjustment terminal to ground which programs the
voltage regulators is capable of supplying in excess
output to 1.2V where most loads draw little current.
of 3A over a 1.2V to 33V output range. They are
The part numbers in the LM150 series which have a
exceptionally easy to use and require only 2 external
NDS suffix are packaged in a standard Steel TO-3
resistors to set the output voltage. Further, both line
package, while those with a NDE suffix are packaged
and load regulation are comparable to discrete
in a TO-220 plastic package. The LM150 is rated for
designs. Also, the LM150 is packaged in standard
−55°C ≤ TJ ≤ +150°C, while the LM350A is rated for
transistor packages which are easily mounted and
−40°C ≤ TJ ≤ +125°C, and the LM350 is rated for 0°C
handled.
≤ TJ ≤ +125°C.
Connection Diagram
Case is Output
Figure 1. (TO-3 STEEL) Metal Can Package
Figure 2. (TO-220) Plastic Package
Bottom View
Front View
See Package Number NDS0002A
See Package Number NDE0003B
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1998–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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