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LT337A

Linear
Part Number LT337A
Manufacturer Linear
Description Negative Adjustable Regulator
Published Dec 2, 2021
Detailed Description FEATURES n Guaranteed 1% Initial Voltage Tolerance n Guaranteed 0.01%/V Line Regulation n Guaranteed 0.5% Load Regulatio...
Datasheet PDF File LT337A PDF File

LT337A
LT337A

Overview
FEATURES n Guaranteed 1% Initial Voltage Tolerance n Guaranteed 0.
01%/V Line Regulation n Guaranteed 0.
5% Load Regulation n Guaranteed 0.
02%/W Thermal Regulation n 100% Burn-in in Thermal Limit APPLICATIONS n Adjustable Power Supplies n System Power Supplies n Precision Voltage/Current Regulators n On-Card Regulators LT137A/LM137 LT337A/LM337 Negative Adjustable Regulator DESCRIPTION The LT®137A/LT337A negative adjustable regulators will deliver up to 1.
5A output current over an output voltage range of –1.
2V to –37V.
Linear Technology has made significant improvements in these regulators compared to previous devices, such as better line and load regulation, and a maximum output voltage error of 1%.
Every effort has been made to make these devices easy to use and difficult to damage.
Internal current and power limiting coupled with true thermal limiting prevents device damage due to overloads or shorts, even if the regulator is not fastened to a heat sink.
Maximum reliability is attained with Linear Technology’s advanced processing techniques combined with a 100% burn-in in the thermal limit mode.
This assures that all device protection circuits are working and eliminates field failures experienced with other regulators that receive only standard electrical testing.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION Negative Regulator + –VIN C2 5μF SOLID TANTALUM VIN ADJ LT137A VOUT  *R2 = R1 |VOUT| 1.
25V – 1 137A TA01 R2* + R1 121Ω C3 1μF SOLID TANTALUM  –VOUT = 1.
25V 1 + R2 R1 OUTPUT VOLTAGE ERROR (%) Output Voltage Error 12 11 10 9 8 7 6 5 4 3 2 1 0 1 1% RESISTORS 2% RESISTORS LM337 LT337A 2 4 6 8 10 20 40 100 OUTPUT VOLTAGE (V) 137A TA01b 137afb 1 LT137A/LM137 LT337A/LM337 ABSOLUTE MAXIMUM RATINGS (Note 1) Power Dissipation .
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Internally Limited Input to Output Voltage Differential.
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