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LM10520 データシート(PDF) 6 Page - Texas Instruments |
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LM10520 データシート(HTML) 6 Page - Texas Instruments |
6 / 40 page LM10520 SNVS638 – NOVEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VCC = 3.3V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA= TJ= 25°C. Limits appearing in boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are specified by design, test, or statistical analysis. Symbol Parameter Conditions Min Typ Max Units ISS-OC SS Pin Sink Current During Over VSS = 2.0V 90 µA Current ISEN-TH ISEN Pin Source Current Trip Point 25 40 55 µA IFB FB Pin Current Sourcing 20 nA IADDR Address pin source current 7.8 µA IAVS LSB DAC Step size IDAC-MAX / 2 n (1 ≤ n ≤ 7) 470 nA Resolution 7 Bits FS Full Scale 56.69 µA INL Integral Non-Linearity −2 2 LSB DNL Differential Non-Linearity −0.5 0.5 ZE Zero Code Error/Offset Error 57 nA ERROR AMPLIFIER GBW Error Amplifier Unity Gain Bandwidth 9 MHz G Error Amplifier DC Gain 118 dB SR Error Amplifier Slew Rate 2 V/µs IEAO EAO Pin Current Sourcing and 14 mA Sinking Capability 16 VEAO Error Amplifier Output Voltage Minimum 1 V Maximum 2.2 V GATE DRIVE IQ-BOOT BOOT Pin Quiescent Current VBOOT = 12V, VSD = 0 18 90 µA RHG_UP High-Side MOSFET Driver Pull-Up VBOOT = 5V @ 350 mA Sourcing 2.7 Ω ON resistance RHG_DN High-Side MOSFET Driver Pull-Down 350 mA Sinking 0.8 Ω ON resistance RLG_UP Low-Side MOSFET Driver Pull-Up ON VBOOT = 5V @ 350 mA Sourcing 2.7 Ω resistance RLG_DN Low-Side MOSFET Driver Pull-Down 350 mA Sinking 0.8 Ω ON resistance OSCILLATOR RFADJ = 750 kΩ 50 RFADJ = 100 kΩ 300 PWM Frequency RFADJ = 42.2 kΩ 475 600 725 fSW kHz RFADJ = 18.7 kΩ 1000 LM10520 External Synchronizing Voltage Swing = 0V to VCC 250 1000 Signal Frequency LM10520 Synchronization Signal Low SYNCL fSW = 250 kHz to 1 MHz 1 V Threshold LM10520 Synchronization Signal High SYNCH fSW = 250 kHz to 1 MHz 2 V Threshold DMAX Max High-Side Duty Cycle fSW = 300 kHz 86 fSW = 600 kHz 78 % fSW = 1 MHz 67 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Links: LM10520 |
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同様の説明 - LM10520 |
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