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LM350N-LM350T/NOPB
3-Amp Adjustable Regulator
LM150, LM350-N, LM350A
www.ti.com SNVS772B –MAY 1998–REVISED MARCH 2013
LM150/LM350A/LM350 3-Amp Adjustable Regulators
Checkfor Samples: LM150, LM350-N, LM350A addition to higher performance than fixed
1FEATURESregulators, the LM150 series offers full overload
Adjustable Output Downto 1.2V protection available onlyin 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 evenif the adjustment
• Outputis Short Circuit Protected terminalis accidentally disconnected.
• Current Limit Constant with Temperature Normally,no capacitors are needed unless the device
• P+ Product Enhancement Tested is situated more than6 inches from the input filter
86 dB Ripple Rejection capacitorsin which case an input bypassis needed. 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 RegulationBesides replacing fixed regulators or discrete
(LM350A)designs, the LM150is usefulina wide varietyof
• Ensured Max. 0.3% Load Regulation (LM350A) other applications. Since the regulatoris “floating”
and sees only the input-to-output differential voltage,
APPLICATIONS suppliesof several hundred volts canbe regulatedas
longas the maximum inputto output differentialis not
• Adjustable Power suppliesexceeded, i.e., avoid short-circuiting the output.
• Constant Current Regulators connecting a fixed resistor between the
• Battery Chargers adjustment pin and output, the LM150 can be used a precision current regulator. Supplies with
DESCRIPTION electronic shutdown canbe achievedby clamping theThe LM150 seriesof adjustable 3-terminal positive adjustment terminalto ground which programs thevoltage regulatorsis capableof supplyingin excess outputto 1.2V where most loads draw little current.of 3A overa 1.2Vto 33V output range. They are
The part numbersin the LM150 series which haveaexceptionally easyto use and require only2 external
NDS suffix are packagedina standard Steel TO-3resistorsto set the output voltage. Further, both line
package, while those witha NDE suffix are packagedand load regulation are comparable to discretea TO-220 plastic package. The LM150is rated fordesigns. Also, the LM150is packagedin standard
−55°C≤TJ≤ +150°C, while the LM350Ais rated fortransistor packages which are easily mounted and
−40°C≤TJ≤ +125°C, and the LM350is rated for 0°CTJ≤ +125°C.
Can Package Figure2. (TO-220) Plastic Package Front View See Package Number NDE0003B
