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LM53601AQDSXRQ1 bảng dữ liệu(PDF) 8 Page - Texas Instruments |
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LM53601AQDSXRQ1 bảng dữ liệu(HTML) 8 Page - Texas Instruments |
8 / 44 page 8 LM53600-Q1, LM53601-Q1 SNAS660B – JUNE 2015 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: LM53600-Q1 LM53601-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Limits apply over the recommended operating junction temperature range of –40°C to 150°C, unless otherwise noted. Minimum and maximum limits are ensured 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 = 13.5 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vcc_UVLO_hyst Input under voltage lock-out hysteresis Hysteresis below Vcc_uvlo 190 mV IFB Input current from FB to AGND LM53600-Q1-ADJ, FB = 1 V 20 nA Vref Reference voltage for ADJ option only Tj = 25°C 0.993 1 1.007 V 0.985 1 1.015 RRESET Rdson of RESET output 50 120 Ω TSD Thermal shutdown rising threshold(1) 151 167 185 °C TSDF Thermal shutdown falling threshold(1) 140 157 TSD_hyst Thermal shutdown hysteresis(1) 10 Dmax Maximum switch duty cycle(1) Fsw = 2.1 MHz 76% While in frequency fold back 96% (1) 125°C is worst case temperature for load regulation. Layout is critical since adjustable option does not have an AGND terminal. (2) See Auto Mode Operation and IQ_VIN in Detailed Description for the meaning of this specification and how it can be calculated. 7.6 System Characteristics The following specifications are ensured by design provided that the component values in the typical application circuit are used. These parameters are not ensured by production testing. Limits apply over the recommended operating junction temperature range of –40°C to +150°C, unless otherwise noted. Minimum and Maximum limits are ensured 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 = 13.5 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Vin_min Minimum input voltage for full functionality at 500-mA load, after start-up VOUT = 3.3 V 3.55 V Minimum input voltage for full functionality at 100% of max rated load, after start-up VOUT = 3.3 V 3.8 V Vout_3_3V Output voltage for 3.3-V option VIN = 4.0 V to 36 V, IOUT = Maximum recommended load current 3.23 3.3 3.37 V VIN = 3.8 V to 36 V, IOUT=100 µA to 100 mA, typical value in Auto Mode 3.23 3.33 3.39 Vout_5V Output voltage for 5-V option VIN = 5.8 V to 36 V, IOUT = Maximum recommended load current 4.9 5 5.1 V VIN = 5.5 V to 36 V, IOUT=100 µA to 100 mA, typical value in Auto Mode 4.9 5.05 5.125 Vout_ADJ Output voltage ADJ option VIN = VOUT + 0.6 V to 36 V, IOUT = 100 mA, FPWM mode –2% +2% VIN = VOUT + 0.6 V to 36 V, IOUT=100 µA to 100 mA, Auto mode –2% +2.5% Load regulation for ADJ option(1) VIN = VOUT + 1 V to 36 V, IOUT = 0 A to 1 A, TJ = 125°C, FPWM mode –1% IQ_VIN (2) Input current to VIN node of DC/DC utilizing the LM53600-Q1/LM53601- Q1 VIN = 13.5 V, VOUT = 3.3 V, IOUT = 0 A 23 µA VIN = 13.5 V, VOUT = 5 V, IOUT = 0 A 30 VDROP1 Minimum input to output voltage differential to maintain regulation accuracy, without inductor DCR drop VOUT=3.3 V, IOUT=1000 mA, +2/–3% output accuracy 0.6 V |
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