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LMZ13610 Arkusz danych(PDF) 5 Page - Texas Instruments |
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LMZ13610 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 27 page LMZ13610 www.ti.com SNVS709C – MARCH 2011 – REVISED MAY 2011 Electrical Characteristics Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range 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 = 12V, VOUT = 3.3V Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) SYSTEM PARAMETERS Enable Control VEN EN threshold VEN rising 1.096 1.274 1.452 V IEN-HYS EN hysteresis source current VEN > 1.274V 13 µA Soft-Start ISS SS source current VSS = 0V 40 50 60 µA tSS Internal soft-start interval 1.6 msec Current Limit ICL Current limit threshold d.c. average 12.5 A Internal Switching Oscillator fosc Free-running oscillator frequency 314 359 404 kHz Regulation and Over-Voltage Comparator VFB In-regulation feedback voltage VSS >+ 0.8V 0.775 0.795 0.815 V IO = 10A VFB-OV Feedback over-voltage protection 0.86 V threshold IFB Feedback input bias current 5 nA IQ Non Switching Quiescent Current 3 mA ISD Shut Down Quiescent Current VEN = 0V 32 μA Dmax Maximum Duty Factor 85 % Thermal Characteristics TSD Thermal Shutdown Rising 165 °C TSD-HYST Thermal shutdown hysteresis Falling 15 °C θJA Junction to Ambient (3) Natural Convection 9.9 °C/W 225 LFPM 6.8 500 LFPM 5.2 θJC Junction to Case 1.0 °C/W PERFORMANCE PARAMETERS(4) ΔVO Output voltage ripple BW@ 20 MHz 24 mV PP ΔVO/ΔVIN Line regulation VIN = 12V to 20V, IOUT= 10A ±0.2 % ΔVO/ΔIOUT Load regulation VIN = 12V, IOUT= 0.001A to 10A 1 mV/A η Peak efficiency VIN = 12V VOUT = 3.3V IOUT = 5A 89.5 % η Full load efficiency VIN = 12V VOUT = 3.3V IOUT = 10A 87.5 % (1) Min and Max limits are 100% production tested at 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). (2) Typical numbers are at 25°C and represent the most likely parametric norm. (3) Theta JA measured on a 3.0” x 3.5” four layer board, with two ounce copper on outer layers and one ounce copper on inner layers, two hundred and ten 12 mil thermal vias, and 2W power dissipation. Refer to evaluation board application note layout diagrams. (4) Refer to BOM in Table 1. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMZ13610 |
Podobny numer części - LMZ13610_14 |
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Podobny opis - LMZ13610_14 |
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