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LM2586 Datasheet(PDF) 3 Page - Texas Instruments |
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LM2586 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 38 page  LM2586 www.ti.com SNVS121D – MAY 1996 – REVISED APRIL 2013 Operating Ratings Supply Voltage 4V ≤ VIN ≤ 40V Output Switch Voltage 0V ≤ VSW ≤ 60V Output Switch Current ISW ≤ 3.0A Junction Temp. Range −40°C ≤ TJ ≤ +125°C Electrical Characteristics LM2586-3.3 Specifications with standard type face are for TJ = 25°C, and those in bold type face apply over full Operating Temperature Range. Unless otherwise specified, VIN = 5V. Symbol Parameters Conditions Typical Min Max Units SYSTEM PARAMETERS Test Circuit of Figure 20(1) VOUT Output Voltage VIN = 4V to 12V 3.3 3.17/3.14 3.43/3.46 V ILOAD = 0.3 to 1.2A ΔVOUT/ Line Regulation VIN = 4V to 12V 20 50/100 mV ΔVIN ILOAD = 0.3A ΔVOUT/ Load Regulation VIN = 12V 20 50/100 mV ΔILOAD ILOAD = 0.3A to 1.2A η Efficiency VIN = 5V, ILOAD = 0.3A 76 % UNIQUE DEVICE PARAMETERS (2) VREF Output Reference Measured at Feedback Pin 3.3 3.242/3.234 3.358/3.366 V Voltage V = 1.0V ΔVREF Reference Voltage VIN = 4V to 40V 2.0 mV Line Regulation GM Error Amp ICOMP = −30 μA to +30 μA 1.193 0.678 2.259 mmho Transconductance VCOMP = 1.0V AVOL Error Amp VCOMP = 0.5V to 1.6V 260 151/75 V/V Voltage Gain RCOMP = 1.0 MΩ (3) (1) External components such as the diode, inductor, input and output capacitors can affect switching regulator performance. When the LM2586 is used as shown in Figure 20 and Figure 21, system performance will be as specified by the system parameters. (2) All room temperature limits are 100% production tested, and all limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. (3) A 1.0 M Ω resistor is connected to the compensation pin (which is the error amplifier output) to ensure accuracy in measuring AVOL. LM2586-5.0 Symbol Parameters Conditions Typical Min Max Units SYSTEM PARAMETERS Test Circuit of COMPFigure 20 (1) VOUT Output Voltage VIN = 4V to 12V 5.0 4.80/4.75 5.20/5.25 V ILOAD = 0.3A to 1.1A ΔVOUT/ Line Regulation VIN = 4V to 12V 20 50/100 mV ΔVIN ILOAD = 0.3A ΔVOUT/ Load Regulation VIN = 12V 20 50/100 mV ΔILOAD ILOAD = 0.3A to 1.1A η Efficiency VIN = 12V, ILOAD = 0.6A 80 % UNIQUE DEVICE PARAMETERS (2) VREF Output Reference Measured at Feedback Pin 5.0 4.913/4.900 5.088/5.100 V Voltage VCOMP = 1.0V ΔVREF Reference Voltage VIN = 4V to 40V 3.3 mV Line Regulation GM Error Amp ICOMP = −30 μA to +30 μA 0.750 0.447 1.491 mmho Transconductance VCOMP = 1.0V (1) External components such as the diode, inductor, input and output capacitors can affect switching regulator performance. When the LM2586 is used as shown in Figure 20 and Figure 21, system performance will be as specified by the system parameters. (2) All room temperature limits are 100% production tested, and all limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. Copyright © 1996–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2586 |
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