LT337A Datasheet Text
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 pared 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 bined 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...