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MP1472 Arkusz danych(PDF) 2 Page - Monolithic Power Systems |
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MP1472 Arkusz danych(HTML) 2 Page - Monolithic Power Systems |
2 / 13 page MP1472 – 2A, 18V SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER MP1472 Rev. 1.0 www.MonolithicPower.com 2 9/2/2011 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2011 MPS. All Rights Reserved. ORDERING INFORMATION Part Number Package Top Marking MP1472GJ* TSOT23-8 ACW *For Tape & Reel, add suffix –Z (e.g. MP1472GJ–Z); PACKAGE REFERENCE SS EN COMP FB BST IN SW GND 1 2 3 4 8 7 6 5 TOP VIEW ABSOLUTE MAXIMUM RATINGS (1) Supply Voltage VIN ........................-0.3V to +20V Switch Node Voltage VSW ............................ 21V Boost Voltage VBS ..........VSW – 0.3V to VSW + 6V All Other Pins..................................-0.3V to +6V Junction Temperature...............................150°C Continuous Power Dissipation (TA = +25°C) (2) ……………………………………………….1.25W Lead Temperature ....................................260°C Storage Temperature .............. -65°C to +150°C Recommended Operating Conditions (3) Input Voltage VIN ............................4.75V to 18V Output Voltage VOUT.....................0.923V to 15V Maximum Junction Temp. (TJ) ............... +125C Thermal Resistance (4) θJA θJC TSOT23-8.............................. 100 ..... 55... C/W Notes: 1) Exceeding these ratings may damage the device. 2) The maximum allowable power dissipation is a function of the maximum junction temperature TJ(MAX), the junction-to- ambient thermal resistance θJA, and the ambient temperature TA. The maximum allowable continuous power dissipation at any ambient temperature is calculated by PD(MAX)=(TJ(MAX)- TA)/ θJA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry protects the device from permanent damage. 3) The device is not guaranteed to function outside of its operating conditions. 4) Measured on JESD51-7 4-layer PCB. |
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