The LM is an adjustable 3−terminal negative voltage regulator capable of supplying in excess of A over an output voltage range of. − V to −37 V. This. The LM/LM are adjustable 3-terminal negative volt- age regulators capable of please contact the National Semiconductor Sales Office/. Distributors for. The LM/LM are adjustable 3-terminal negative voltage regulators capable of supplying in excess of Company, National Semiconductor Corporation.
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Excellent thermal regulation, 0. Excellent rejection of thermal transients. Internal thermal overload protection. The circuit design has been opti.
Standard 3-lead transistor package. Further, the LM series features internal current limiting. Output is short circuit protected. Output voltage adjustable from Line regulation typically 0. Load regulation typically 0. Comparison between SOT and.
Adjustable Negative Voltage Regulator.
Full output current not available at high input-output voltages. F solid tantalum or 10? F aluminum electrolytic required for. F solid tantalum is required only if regulator is more than 4″ from. Output capacitors in the range of 1? F of aluminum or tantalum. Lead Temperature Soldering, 10 sec. Distributors for availability and specifications.
Plastic Package Soldering, 4 sec.
Electrical Characteristics Note 1. C, 10 ms Pulse. Adjustment Pin Current Charge.
K, MP and T Package. Thermal Resistance, Junction to. Ambient No Heat Sink. Unless otherwise specified, these specifications apply ? C for the LM, 0?
Although power dissipation is internally limited, these specifications. I MAX is 1. SOT and TO packages, and 0. Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are.
Selected devices with tightened tolerance reference voltage available. When power is dissipated in an IC, a temperature gradient. With an IC regulator, this gradient can be es. Thermal regulation error is.
Thermal regulation depends on IC layout. The thermal regulation of a. V OUTper Watt, within the first 10 ms after a step of power is.
The LM’s specification is 0. Note that the load regulation error. In Figure 1a typical LM’s output drifts natoinal 3 mV or. In Figure 2when the 10W pulse is applied for ms. This performance is thus well inside the specification. When the 10W pulse is. To optimize the heat.
Figures 3, 4 show the information for antional SOT package. Maximum Power Dissipation vs. Please see AN for power enhancement techniques to. Adjustable Lab Voltage Regulator.
Full output current not available. F capacitors are optional to improve ripple rejection. High Stability V Regulator.
Negative Regulator with Protection Diodes. F, D1 protects the LM in case the input. K Steel and T Packages. Metal Can Package H. Metal Can Package K. TO Plastic Package T. National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves. For the most current product information visit us at www. A critical component is any component of a life support.
Life support devices or systems are devices or systems. National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship.
Substances” as defined in CSPS2. Europe Customer Support Center.
Japan Customer Support Center.