LM2595DSADJG ON Semiconductor, LM2595DSADJG Datasheet
LM2595DSADJG
Specifications of LM2595DSADJG
Related parts for LM2595DSADJG
LM2595DSADJG Summary of contents
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LM2595 1.0 A, Step-Down Switching Regulator The LM2595 regulator is monolithic integrated circuit ideally suited for easy and convenient design of a step−down switching regulator (buck converter capable of driving a 1.0 A load with excellent line and ...
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V Unregulated DC Input +Vin 2 Cin 220 mF MAXIMUM RATINGS Rating Maximum Supply Voltage ON/OFF Pin Input Voltage Output Voltage to Ground (Steady−State) Power Dissipation Case 314B and 314D (TO−220, 5−Lead) Thermal Resistance, Junction−to−Ambient Thermal ...
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PIN FUNCTION DESCRIPTION Pin Symbol 1 Output This is the emitter of the internal switch. The saturation voltage V kept in mind that the PCB area connected to this pin should be kept to a minimum in order to minimize ...
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SYSTEM PARAMETERS ELECTRICAL CHARACTERISTICS over full Operating Temperature Range −40°C to +125°C Characteristics LM2595 (Note 1, Test Circuit Figure 16) Feedback Voltage ( 0 Load Feedback Voltage (8.0 V ≤ V ≤ ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1 0 200 mA Load 0.6 Normalized 25°C J 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 −50 − JUNCTION TEMPERATURE (°C) ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1.3 1.2 1.1 1.0 −40°C 0.9 0.8 25°C 0.7 125°C 0.6 0.5 0.4 0.3 0 0.2 0.4 0.6 SWITCH CURRENT (A) Figure 9. Switch Saturation Voltage 5.0 4.5 4.0 3.5 3.0 2.5 2 ...
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TYPICAL PERFORMANCE CHARACTERISTICS ms/div Figure 14. Switching Waveforms out A: Output Pin Voltage, 10 V/div B: Switch Current, ...
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As in any switching regulator, the layout of the printed circuit board is very important. Rapidly switching currents associated with wiring inductance, stray capacitance and parasitic inductance of the printed circuit board traces can generate voltage transients which electromagnetic interferences ...
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PROCEDURE (ADJUSTABLE OUTPUT VERSION: LM2595) Procedure Given Parameters Regulated Output Voltage out V = Maximum DC Input Voltage in(max Maximum Load Current Load(max) 1. Programming Output Voltage To select the right programming resistor R1 and R2 ...
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PROCEDURE (ADJUSTABLE OUTPUT VERSION: LM2595) (CONTINUED) Procedure 4. Inductor Selection (L1) A. Use the following formula to calculate the inductor Volt x microsecond [V x ms] constant: V OUT OUT SAT ...
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LM2595 Series Buck Regulator Design Procedures Table 1. RECOMMENDED VALUES OF THE OUTPUT CAPACITOR AND FEEDFORWARD CAPACITOR (I = 1.0 A) load V ( 1000/60/10 1000/60/10 1000/60/10 35 1000/60/10 1000/60/10 1000/60/10 26 1000/60/10 470/120/10 220/110/25 20 1000/60/10 470/120/10 ...
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Table 2. DIODE SELECTION 1A Diodes Surface Mount Ultra Fast Recovery Schottky VR 20V SK12 30 V SK13 All of these MBRS130 diodes are rated to at least 50 V MURS120 40 V SK14 10BF10 MBRS140 10BQ040 10MQ040 50 V ...
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Table 3. INDUCTOR MANUFACTURERS PART NUMBERS Inductance Current Through Hole (mH) ( 0.32 RL−1284−68− 0.37 RL−1284−47− 0.44 RL−1284−33−43 L9 220 0.32 RL−5470−3 L10 150 0.39 RL−5470−4 L11 100 0.48 RL−5470−5 L12 68 0.58 RL−5470−6 ...
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EXTERNAL COMPONENTS Input Capacitor ( The Input Capacitor Should Have a Low ESR For stable operation of the switch mode converter a low ESR (Equivalent Series Resistance) aluminium or solid tantalum bypass capacitor is needed between the input ...
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Catch Diode Locate the Catch Diode Close to the LM2595 The LM2595 is a step−down buck converter; it requires a fast diode to provide a return path for the inductor current when the switch turns off. This diode must be ...
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A toroid, pot core or E−core (closed magnetic structure) should be used in such applications. Do Not Operate an Inductor Beyond its Maximum ...
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T maximum allowed junction temperature J(max) (125°C for the LM2595). For a conservative design, the maximum junction temperature should not exceed 110°C to assure safe operation. For every additional +10°C temperature rise that the junction must withstand, the estimated ...
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ADDITIONAL APPLICATIONS Inverting Regulator An inverting buck−boost regulator using the LM2595 is shown in Figure 23. This circuit converts a positive input voltage to a negative output voltage with a common ground by bootstrapping the regulators ground to the negative ...
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100 Shutdown Input 5 Off 470 MOC8101 NOTE: This picture does not show the complete circuit. Figure 25. Inverting Buck−Boost Regulator Shutdown Circuit Using an Optocoupler With ...
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Delayed Startup There are some applications, like the inverting regulator already mentioned above, which require a higher amount of startup current. In such cases, if the input power source is limited, this delayed startup feature becomes very useful. To provide ...
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V Max Unregulated DC Input +V in LM2595 GND 5 ON/OFF in 100 mF Figure 31 Adjustable 1.0 A Power Supply with Low Output Ripple Feedback 4 L1 100 mH Output 1 ...
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THE LM2595 STEP−DOWN VOLTAGE REGULATOR WITH 5 1.0 A OUTPUT POWER CAPABILITY. TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT Unregulated +V DC Input in LM2595 GND C1 100 ...
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... ORDERING INFORMATION Device LM2595TADJG LM2595TVADJG LM2595DSADJG LM2595DSADJR4G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. TO−220 TV SUFFIX CASE 314B LM 2595T−ADJ AWLYWWG 1 5 Package TO−220 (Pb−Free) TO−220 (F) (Pb− ...
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B −P− OPTIONAL Q CHAMFER 0.24 (0.610 0.10 (0.254 −Q− B1 DETAIL A 0.356 (0.014) T ...
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... Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...