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CM2576 Datasheet(PDF) 2 Page - Champion Microelectronic Corp. |
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CM2576 Datasheet(HTML) 2 Page - Champion Microelectronic Corp. |
2 / 12 page CM2576 3A STEP DOWN VOLTAGE REGULATOR 2003/08/07 Preliminary Rev. 1.1 Champion Microelectronic Corporation Page 2 PIN CONFIGURATION TO-220 Top View 12 3 45 TO-263 Top View 3 2 1 VIN 4 5 VOUT GN D FB ENABLE ABSOLUTE MAXIMUM RATINGS Input Voltage (VPOWER) …….………………………………………….……. +45V ENABLE Pin Input Voltage ….…………………………………. –0.3V ≦V≦VIN Operating Junction Temperature Range, TJ ……………...… 0℃ to +150℃ Storage Temperature ………………………………….….…... -65℃ to +150℃ Lead Temperature (10 sec.) ……..……………………..….…………….... 260℃ POWER DISSIPATION TABLE Package ΘJA (℃ ℃ ℃ ℃ /W) Derating factor (mW/℃ ℃ ℃ ℃ ) TA >= 25℃ ℃ ℃ ℃ TA <= 25℃ ℃ ℃ ℃ Power rating (mW) TA = 70℃ ℃ ℃ ℃ Power rating (mW) TA = 85℃ ℃ ℃ ℃ Power rating (mW) TO-220 45 22.2 2775 1776 1443 TO-263 45 22.2 2775 1776 1443 Note: 1. ΘJA : Thermal Resistance-Junction to Ambient, DF: Derating factor, PO: Power consumption. Junction Temperature Calculation: TJ = TA + (PD x ΘJA ), PO = DF x (TJ – TA) The ΘJA numbers are guidelines for the thermal performance of the device/PC-board system. All of the above assume no ambient airflow. 2. ΘJT : Thermal Resistance-Junction to Ambient, TC: case (Tab) temperature, TJ = TC + (PD x ΘJA ) RESOMMENDED OPERATING CONDITIONS Parameter Symbol Min. Typ. Max Units Input Voltage (VIN) VIN 40 V Temperature Range TJ -40 125 ℃ |
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