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GM7130-ATA5T Datasheet(PDF) 6 Page - Gamma Microelectronics Inc. |
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GM7130-ATA5T Datasheet(HTML) 6 Page - Gamma Microelectronics Inc. |
6 / 14 page ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. Guaranteed specifications and Test conditions are shown in Electrical Characteristics. Note 2: All limits guaranteed at 25°C (standard type face) and over full operating temperature range (bold type face). All 25°C limits are 100% production tested. All limits over full operating temperature range are guaranteed via correlation using standard Statistica Quality Control methods. Note 3: External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the GM7130 is used as shown in the Figure 1 test circuit, system performance will be as shown in system parameters section of Electrical Characteristics. Note 4: Output pin sourcing current. No diode, inductor or capacitor connected to output. Note 5: Feedback pin removed from output and connected to 0V. Note 6: Feedback pin removed from output and connected to +12V for the Adjustable, 3.3V, and 5V versions, and +25V for the 12V and 15V versions, to force the output transistor OFF. Note 7: V = 40V IN Note 8: Junction to ambient thermal resistance (no external heat sink) for the 5 lead TO-220 package mounted vertically, with ½ inch leads in a socket, or on a PC board with minimum copper area. Note 9: Junction to ambient thermal resistance (no external heat sink) for the 5 lead TO-220 package mounted vertically, with ¼ inch leads soldered to a PC board containing approximately 4 square inches of copper area surrounding the leads. Note 10: If the TO-263 package is used, the thermal resistance can be reduced by increasing the PC board Copper area thermally connected to the package. Using 0.5 square inches of copper area, q is JA 50°C//W, with 1 square inch of copper area, q is 37°C/W, and with 1.6 or more square inches of JA copper area, q is 32°C/W. JA Note 11: The oscillator frequency reduces to approximately 11 kHz in the event of an output short or an Overload which causes the regulated output voltage to drop approximately 40% from the nominal output voltage. This self- protection feature lowers the Average power dissipation of GM7130 by lowering the minimum duty cycle from 5% down to approximately 2%. 6 A A MICROELECTRONICS GM7130 3A STEP-DOWN VOLTAGE SWITCHING REGULATORS Power Management |
Similar Part No. - GM7130-ATA5T |
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Similar Description - GM7130-ATA5T |
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