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LMZ14203TZ-ADJ bảng dữ liệu(PDF) 1 Page - National Semiconductor (TI) |
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LMZ14203TZ-ADJ bảng dữ liệu(HTML) 1 Page - National Semiconductor (TI) |
1 / 18 page LMZ14203 June 10, 2010 3A SIMPLE SWITCHER® Power Module with 42V Maximum Input Voltage Easy to use 7 pin package 30107086 TO-PMOD 7 Pin Package 10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in) θ JA = 20°C/W, θJC = 1.9°C/W RoHS Compliant Electrical Specifications ■ 18W maximum total output power ■ Up to 3A output current ■ Input voltage range 6V to 42V ■ Output voltage range 0.8V to 6V ■ Efficiency up to 90% Key Features ■ Integrated shielded inductor ■ Simple PCB layout ■ Flexible startup sequencing using external soft-start and precision enable ■ Protection against inrush currents and faults such as input UVLO and output short circuit ■ – 40°C to 125°C junction temperature range ■ Single exposed pad and standard pinout for easy mounting and manufacturing ■ Fast transient response for powering FPGAs and ASICs ■ Low output voltage ripple ■ Pin-to-pin compatible family: LMZ14203/2/1 (42V max 3A, 2A, 1A) LMZ12003/2/1 (20V max 3A, 2A, 1A) ■ Fully enabled for Webench® Power Designer Applications ■ Point of load conversions from 12V and 24V input rail ■ Time critical projects ■ Space constrained / high thermal requirement applications ■ Negative output voltage applications (See AN-2027) Performance Benefits ■ Operates at high ambient temperature with no thermal derating ■ High efficiency reduces system heat generation ■ Low radiated emissions (EMI) complies with EN55022 class B standard ■ Passes 10V/m radiated immunity EMI test standard EN61000 4-3 System Performance Efficiency V IN = 24V VOUT = 5.0V 30107036 Thermal derating curve V IN = 24V, VOUT = 5.0V, 30107037 Radiated Emissions (EN 55022 Class B) from Evaluation Board 30107038 © 2010 National Semiconductor Corporation 301070 www.national.com |
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