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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LMZ10501SH bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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LMZ10501SH bảng dữ liệu(HTML) 4 Page - Texas Instruments |
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4 / 25 page  LMZ10501 SNVS677D – MAY 2011 – REVISED MARCH 2013 www.ti.com Electrical Characteristics (1) (continued) Specifications with standard typeface are for TJ = 25°C only; Limits in bold face type apply over the operating junction temperature range TJ of -40°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 TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 3.6V, VEN = 1.2V. Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) SYSTEM PARAMETERS I LIM DC Output Current Limit VCON = 0.24V (4) 1125 1350 mA FOSC Internal oscillator frequency 1.75 2.0 2.25 MHz VIH,ENABLE Enable logic HIGH voltage 1.2 V VIL,ENABLE Enable logic LOW voltage 0.5 V TSD Thermal shutdown Rising Threshold 150 °C TSD-HYST Thermal shutdown hysteresis 20 °C DMAX Maximum duty cycle 100 % TON-MIN Minimum on-time 50 ns θJA Package Thermal Resistance 20mm x 20mm board 2 layers, 2 oz copper, 0.5W, no 118 airlow 15mm x 15mm board 2 layers, 2 oz copper, 0.5W, no 132 °C/W airlow 10mm x 10mm board 2 layers, 2 oz copper, 0.5W, no 157 airlow (4) Current limit is built-in, fixed, and not adjustable. System Characteristics The following specifications are guaranteed by design providing the component values in the Typical Application Circuit are used (CIN = COUT = 10 µF, 6.3V, 0603, TDK C1608X5R0J106K). These parameters are not guaranteed by production testing. Unless otherwise stated the following conditions apply: TA = 25°C. Symbol Parameter Conditions Min Typ Max Units ΔVOUT/VOUT Output Voltage Regulation Over VOUT = 0.6V Line Voltage and Load Current ΔVIN =2.7V to 4.2V ±1.75 % ΔIOUT = 0A to 1A ΔVOUT/VOUT Output Voltage Regulation Over VOUT = 1.5V Line Voltage and Load Current ΔVIN = 2.7V to 5.5V ±0.92 % ΔIOUT = 0A to 1A ΔVOUT/VOUT Output Voltage Regulation Over VOUT = 3.6V Line Voltage and Load Current ΔVIN = 4.0V to 5.5V ±0.38 % ΔIOUT = 0A to 1A VREF TRISE Rise time of reference voltage EN = Low to High, VIN = 4.2V 10 µs VOUT = 2.7V, IOUT = 1A VIN = 5.0V, VOUT = 3.3V Peak Efficiency 95 IOUT = 200 mA η % Full Load Efficiency VIN = 5.0V, VOUT = 3.6V 91 IOUT = 1000 mA VOUT Ripple Output voltage ripple VIN = 5.0V, VOUT = 1.8V 10 mV pk-pk IOUT = 1000 mA (1) VIN = 2.7V to 5.5V, Line Line transient response TR = TF= 10 µs, 30 mV pk-pk Transient VOUT = 1.8V, IOUT = 1000mA VIN = 5.0V Load TR = TF = 40 µs, Load transient response 30 mV pk-pk Transient VOUT = 1.8V IOUT = 100mA to 1000 mA (1) Ripple voltage should be measured across COUT on a well-designed PC board using the suggested capacitors. 4 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: LMZ10501 |
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