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LM2586SX-5.0 数据表(PDF) 4 Page - Texas Instruments |
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LM2586SX-5.0 数据表(HTML) 4 Page - Texas Instruments |
4 / 38 page LM2586 SNVS121D – MAY 1996 – REVISED APRIL 2013 www.ti.com LM2586-5.0 (continued) Symbol Parameters Conditions Typical Min Max Units AVOL Error Amp VCOMP = 0.5V to 1.6V 165 99/49 V/V Voltage Gain RCOMP = 1.0 MΩ (3) (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. LM2586-12 Symbol Parameters Conditions Typical Min Max Units SYSTEM PARAMETERS Test Circuit of Figure 21 (1) VOUT Output Voltage VIN = 4V to 10V 12.0 11.52/11.40 12.48/12.60 V ILOAD = 0.2A to 0.8A ΔVOUT/ Line Regulation VIN = 4V to 10V ILOAD = 0.2A 20 100/200 mV ΔVIN ΔVOUT/ Load Regulation VIN = 10V 20 100/200 mV ΔILOAD ILOAD = 0.2A to 0.8A η Efficiency VIN = 10V, ILOAD = 0.6A 93 % UNIQUE DEVICE PARAMETERS (2) VREF Output Reference Measured at Feedback Pin 12.0 11.79/11.76 12.21/12.24 V Voltage VCOMP = 1.0V ΔVREF Reference Voltage VIN = 4V to 40V 7.8 mV Line Regulation GM Error Amp ICOMP = −30 μA to +30 μA 0.328 0.186 0.621 mmho Transconductance VCOMP = 1.0V AVOL Error Amp VCOMP = 0.5V to 1.6V 70 41/21 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. 4 Submit Documentation Feedback Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: LM2586 |
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类似说明 - LM2586SX-5.0 |
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