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データシートサーチシステム |
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データシートサーチシステム |
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LM2734YMK データシート(PDF) 4 Page - Texas Instruments |
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LM2734YMK データシート(HTML) 4 Page - Texas Instruments |
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4 / 31 page  LM2734 SNVS288I – SEPTEMBER 2004 – REVISED APRIIL 2013 www.ti.com Electrical Characteristics Specifications with standard typeface are for TJ = 25°C, and those in boldface type apply over the full Operating Temperature Range (TJ = -40°C to 125°C). VIN = 5V, VBOOST - VSW = 5V unless otherwise specified. Datasheet min/max specification limits are ensured by design, test, or statistical analysis. Symbol Parameter Conditions Min(1) Typ(2) Max(1) Units VFB Feedback Voltage 0.784 0.800 0.816 V ΔVFB/ΔVIN Feedback Voltage Line Regulation VIN = 3V to 20V 0.01 % / V IFB Feedback Input Bias Current Sink/Source 10 250 nA Undervoltage Lockout VIN Rising 2.74 2.90 UVLO Undervoltage Lockout VIN Falling 2.0 2.3 V UVLO Hysteresis 0.30 0.44 0.62 LM2734X 1.2 1.6 1.9 FSW Switching Frequency MHz LM2734Y 0.40 0.55 0.66 LM2734X 85 92 DMAX Maximum Duty Cycle % LM2734Y 90 96 LM2734X 2 DMIN Minimum Duty Cycle % LM2734Y 1 RDS(ON) Switch ON Resistance VBOOST - VSW = 3V 300 600 m Ω ICL Switch Current Limit VBOOST - VSW = 3V 1.2 1.7 2.5 A IQ Quiescent Current Switching 1.5 2.5 mA Quiescent Current (shutdown) VEN = 0V 30 nA LM2734X (50% Duty Cycle) 2.5 3.5 IBOOST Boost Pin Current mA LM2734Y (50% Duty Cycle) 1.0 1.8 Shutdown Threshold Voltage VEN Falling 0.4 VEN_TH V Enable Threshold Voltage VEN Rising 1.8 IEN Enable Pin Current Sink/Source 10 nA ISW Switch Leakage 40 nA (1) Specified to Average Outgoing Quality Level (AOQL). (2) Typicals represent the most likely parametric norm. 4 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LM2734 |
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同様の説明 - LM2734YMK |
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