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LMZ10504EXT bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI) |
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LMZ10504EXT bảng dữ liệu(HTML) 4 Page - National Semiconductor (TI) |
4 / 22 page Electrical Characteristics Specifications with standard typeface are for T J = 25°C only; limits in bold face type apply over the operating junction temperature range T J of -55°C to 125°C. Minimum and maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for reference purposes only. V IN = VEN = 3.3V, unless otherwise indicated in the conditions column. Symbol Parameter Conditions Min (Note 7) Typ (Note 8) Max (Note 7) Units PERFORMANCE PARAMETERS ΔV OUT Output Voltage Ripple Refer to Table 5 V OUT = 2.5V Bandwidth Limit = 2 MHz 10 mV pk-pk ΔV OUT Output Voltage Ripple Refer to Table 7 Bandwidth Limit = 20 MHz 5 mV pk-pk ΔV FB / VFB Feedback Voltage Line Regulation ΔV IN = 2.95V to 5.5V I OUT = 0A 0.04 % ΔV OUT / VOUT Output Voltage Line Regulation ΔV IN = 2.95V to 5.5V I OUT = 0A, VOUT = 2.5V 0.04 % ΔV FB / VFB Feedback Voltage Load Regulation I OUT = 0A to 4A 0.25 % ΔV OUT / VOUT Output Voltage Load Regulation I OUT = 0A to 4A V OUT = 2.5V 0.25 % EFFICIENCY η Peak Efficiency (1A) V IN = 5V V OUT = 3.3V 96.1 % V OUT = 2.5V 94.8 V OUT = 1.8V 93.1 V OUT = 1.5V 92 V OUT = 1.2V 90.4 V OUT = 0.8V 86.8 η Peak Efficiency (1A) V IN = 3.3V V OUT = 2.5V 95.7 % V OUT = 1.8V 94.1 V OUT = 1.5V 93.0 V OUT = 1.2V 91.6 V OUT = 0.8V 88.3 η Full Load Efficiency (4A) V IN = 5V V OUT = 3.3V 94.1 % V OUT = 2.5V 92.4 V OUT = 1.8V 90.0 V OUT = 1.5V 88.3 V OUT = 1.2V 86.1 V OUT = 0.8V 80.8 η Full Load Efficiency (4A) V IN = 3.3V V OUT = 2.5V 91.4 % V OUT = 1.8V 90.0 V OUT = 1.5V 87.2 V OUT = 1.2V 84.9 V OUT = 0.8V 79.3 Note 3: θ JA measured on a 2.25” x 2.25” (5.8 cm x 5.8 cm) four layer board, with one ounce copper, thirty six 10mil thermal vias, no air flow, and 1W power dissipation. Refer to or Evaluation Board Application Note: AN-2074. Note 4: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See and layout for information on device under test. Note 5: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics. Note 6: The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. Test method is per JESD22-AI14S. Note 7: Min and Max limits are 100% production tested at an ambient temperature (T A) of 25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate National’s Average Outgoing Quality Level (AOQL). Note 8: Typical numbers are at 25°C and represent the most likely parametric norm. www.national.com 4 |
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