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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LM2588S-5.0 Fiches technique(PDF) 5 Page - National Semiconductor (TI) |
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LM2588S-5.0 Fiches technique(HTML) 5 Page - National Semiconductor (TI) |
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5 / 30 page  LM2588-ADJ Electrical Characteristics (Continued) Specifications with standard type face are for T J = 25˚C, and those in bold type face apply over full Operating Temperature Range. Unless otherwise specified, V IN = 5V. Symbol Parameters Conditions Typical Min Max Units UNIQUE DEVICE PARAMETERS (Note 5) V REF Output Reference Measured at Feedback Pin 1.230 1.208/1.205 1.252/1.255 V Voltage V COMP = 1.0V ∆V REF Reference Voltage V IN = 4V to 40V 1.5 mV Line Regulation G M Error Amp I COMP = −30 µA to +30 µA 3.200 1.800 6.000 mmho Transconductance V COMP = 1.0V A VOL Error Amp V COMP = 0.5V to 1.6V 670 400/200 V/V Voltage Gain R COMP = 1.0 M Ω (Note 6) I B Error Amp V COMP = 1.0V 125 425/600 nA Input Bias Current All Output Voltage Versions Electrical Characteristics (Note 5) Specifications with standard type face are for T J = 25˚C, and those in bold type face apply over full Operating Temperature Range. Unless otherwise specified, V IN = 5V. Symbol Parameters Conditions Typical Min Max Units I S Input Supply Current Switch Off 11 15.5/16.5 mA (Note 8) I SWITCH = 3.0A 85 140/165 mA I S/D Shutdown Input V SH = 3V 16 100/300 µA Supply Current V UV Input Supply R LOAD = 100 Ω 3.30 3.05 3.75 V Undervoltage Lockout f O Oscillator Frequency Measured at Switch Pin R LOAD = 100 Ω,V COMP = 1.0V 100 85/75 115/125 kHz Freq. Adj. Pin Open (Pin 1) R SET =22k Ω 200 kHz f SC Short-Circuit Measured at Switch Pin Frequency R LOAD = 100 Ω 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 = 100 Ω 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 = 5.0A 0.7 1.1/1.4 V www.national.com 5 |
Numéro de pièce similaire - LM2588S-5.0 |
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Description similaire - LM2588S-5.0 |
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