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LM2586S-ADJ датащи(PDF) 5 Page - National Semiconductor (TI) |
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LM2586S-ADJ датащи(HTML) 5 Page - National Semiconductor (TI) |
5 / 28 page LM2586-ADJ (Continued) Symbol Parameters Conditions Typical Min Max Units COMMON DEVICE PARAMETERS for all versions (Note 5) I S Input Supply Current Switch Off (Note 8) 11 15.5/16.5 mA I SWITCH = 1.8A 50 100/115 mA I S/D Shutdown Input V SH = 3V 16 100/300 µA Supply Current V UV Input Supply R LOAD = 100Ω 3.30 3.05 3.75 V Undervoltage Lockout f O Oscillator Frequency Measured at Switch Pin R LOAD = 100Ω,VCOMP = 1.0V 100 85/75 115/125 kHz Freq. Adj. Pin Open (Pin 1) R SET = 22 kΩ 200 kHz f SC Short-Circuit Measured at Switch Pin Frequency R LOAD = 100Ω 25 kHz V FEEDBACK = 1.15V V EAO Error Amplifier Upper Limit 2.8 2.6/2.4 V Output Swing (Note 7) Lower Limit 0.25 0.40/0.55 V (Note 8) I EAO Error Amp (Note 9) Output Current 165 110/70 260/320 µA (Source or Sink) I SS Soft Start Current V FEEDBACK = 0.92V 11.0 8.0/7.0 17.0/19.0 µA V COMP = 1.0V D MAX Maximum Duty Cycle R LOAD = 100Ω 98 93/90 % (Note 7) I L Switch Leakage Switch Off 15 300/600 µA Current V SWITCH = 60V V SUS Switch Sustaining Voltage dV/dT = 1.5V/ns 65 V V SAT Switch Saturation Voltage I SWITCH = 3.0A 0.45 0.65/0.9 V I CL NPN Switch Current Limit 4.0 3.0 7.0 A V STH Synchronization F SYNC = 200 kHz 0.75 0.625/0.40 0.875/1.00 V Threshold Voltage V COMP = 1V, VIN = 5V I SYNC Synchronization V IN = 5V 100 200 µA Pin Current V COMP = 1V, VSYNC = VSTH V SHTH ON/OFF Pin (Pin 1) V COMP = 1V 1.6 1.0/0.8 2.2/2.4 V Threshold Voltage (Note 10) I SH ON/OFF Pin (Pin 1) V COMP = 1V 40 15/10 65/75 µA Current V SH = VSHTH θ JA Thermal Resistance T Package, Junction to Ambient (Note 11) 65 ˚C/W θ JA T Package, Junction to Ambient (Note 12) 45 θ JC T Package, Junction to Case 2 θ JA S Package, Junction to Ambient (Note 13) 56 θ JA S Package, Junction to Ambient (Note 14) 35 θ JA S Package, Junction to Ambient (Note 15) 26 θ JC S Package, Junction to Case 2 www.national.com 5 |
Аналогичный номер детали - LM2586S-ADJ |
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Аналогичное описание - LM2586S-ADJ |
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