LM337T National Semiconductor, LM337T Datasheet
LM337T
Specifications of LM337T
Available stocks
Related parts for LM337T
LM337T Summary of contents
Page 1
... Output capacitors in the range of 1 µF to 1000 µF of aluminum or tantalum electrolytic are commonly used to provide improved output impedance and rejection of transients © 2004 National Semiconductor Corporation n Excellent thermal regulation, 0.002%/ ripple rejection n Excellent rejection of thermal transients n 50 ppm/˚C temperature coefficient ...
Page 2
... Absolute Maximum Ratings 4) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Dissipation Input-Output Voltage Differential Operating Junction Temperature Range LM137 Electrical Characteristics Parameter Line Regulation T j (Note 2) I Load Regulation ...
Page 3
Electrical Characteristics Note 4: Refer to RETS137H drawing for LM137H or RETS137K drawing for LM137K military specifications. Schematic Diagram Thermal Regulation When power is dissipated in an IC, a temperature gradient occurs across the IC chip affecting the individual IC ...
Page 4
Thermal Regulation (Continued) In Figure 1, a typical LM137’s output drifts only 3 mV (or 0.03 −10V) when a 10W pulse is applied for OUT 10 ms. This performance is thus well inside the specification limit of ...
Page 5
... Connection Diagrams TO-220 Plastic Package Front View Order Number LM337T See NS Package Number T03B Application Hints When a value for θ is found using the equation shown, (H−A) a heatsink must be selected that has a value that is less than or equal to this number. HEATSINKING SOT-223 PACKAGE PARTS The SOT-223 (“ ...
Page 6
Typical Applications Adjustable Lab Voltage Regulator Full output current not available at high input-output voltages *The 10 µF capacitors are optional to improve ripple rejection Current Regulator Negative Regulator with Protection Diodes *When C is larger than 20 µF, D1 ...
Page 7
Typical Performance Characteristics Load Regulation Adjustment Current Temperature Stability (K Steel and T Packages) 00906716 00906718 Minimum Operating Current 00906720 7 Current Limit 00906717 Dropout Voltage 00906719 00906721 www.national.com ...
Page 8
Typical Performance Characteristics Ripple Rejection Ripple Rejection Line Transient Response www.national.com (K Steel and T Packages) (Continued) 00906722 00906724 Load Transient Response 00906726 8 Ripple Rejection 00906723 Output Impedance 00906725 00906727 ...
Page 9
Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM137H, LM137H/883 or LM337H Metal Can Package (H) NS Package Number H03A 9 www.national.com ...
Page 10
Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) Metal Can Package (K) Order Number LM337K STEEL NS Package Number K02A Mil-Aero Metal Can Package (K) Order Number LM137K/883 NS Package Number K02C 10 ...
Page 11
Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 3-Lead SOT-223 Package Order Number LM337IMP NS Package Number MP04A 11 www.national.com ...
Page 12
... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 TO-220 Plastic Package (T) Order Number LM337T NS Package Number T03B 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...