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LMZM33603RLRR Folha de dados(PDF) 6 Page - Texas Instruments |
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LMZM33603RLRR Folha de dados(HTML) 6 Page - Texas Instruments |
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6 / 36 page  6 LMZM33603 SNVSAO6C – SEPTEMBER 2017 – REVISED MARCH 2018 www.ti.com Product Folder Links: LMZM33603 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Electrical Characteristics (continued) Over –40°C to +105°C ambient temperature, VIN = 24 V, VOUT = 5 V, IOUT = IOUT maximum, fsw = 450 kHz (unless otherwise noted); CIN1 = 2 × 4.7-µF, 50-V, 1210 ceramic; CIN2 = 100-µF, 50-V, electrolytic; COUT = 4 × 22-µF, 25-V, 1210 ceramic. Minimum and maximum limits are specified through production test or by design. Typical values represent the most likely parametric norm and are provided for reference only. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (4) A minimum of 9.4 µF (2 × 4.7 µF) ceramic input capacitance is required for proper operation. An additional 47 µF of bulk capacitance is recommended for applications with transient load requirements. See the Input Capacitors section of the datasheet for further guidance. (5) The minimum amount of required output capacitance varies depending on the output voltage (see Output Capacitor Selection ). A minimum amount of ceramic output capacitance is required. Locate the capacitance close to the device. Adding additional ceramic or non-ceramic capacitance close to the load improves the response of the regulator to load transients. (6) The maximum allowable output capacitance varies depending on the output voltage (see Output Capacitor Selection ). SOFT START TSS Internal soft start time 6 ms THERMAL TSHDN Thermal shutdown Shutdown temperature 170 °C Hysteresis 10 15 °C ENABLE (EN) VEN-H EN rising threshold 1.4 1.55 1.7 V VEN-HYS EN hysteresis voltage 0.4 V IEN EN Input leakage current VIN = 4 V to 36 V, VEN = 2 V 10 100 nA VIN = 4 V to 36 V, VEN = 36 V 1 µA POWER GOOD (PGOOD) VPGOOD PGOOD thresholds VOUT rising (good) 92% 94% 96.5% VOUT rising (fault) 104% 107% 110% VOUT falling hysteresis 1.5% Minimum VIN for valid PGOOD 50-μA pullup, VEN = 0 V, TA = 25°C 1.5 V PGOOD low voltage 0.5-mA pullup, VEN = 0 V 0.4 V CAPACITANCE CIN External input capacitance Ceramic type 9.4(4) µF Non-ceramic type 47(4) µF COUT External output capacitance min(5) max(6) µF 6.6 Switching Characteristics Over operating ambient temperature range (unless otherwise noted) Minimum and maximum limits are specified through production test or by design. Typical values represent the most likely parametric norm, and are provided for reference only. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT FREQUENCY (RT) and SYNCHRONIZATION (EN/SYNC) fSW Default switching frequency RT pin = open 340 400 460 kHz Switching frequency range 200 1200 kHz VSYNC Peak-to-peak amplitude of SYNC clock AC signal (measured at SYNC pin) 2.8 5.5 V TS-MIN Minimum SYNC ON/OFF time 100 ns |
Nº de peça semelhante - LMZM33603RLRR |
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Descrição semelhante - LMZM33603RLRR |
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