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GM7110-15TB5R Datasheet(PDF) 5 Page - Gamma Microelectronics Inc. |
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GM7110-15TB5R Datasheet(HTML) 5 Page - Gamma Microelectronics Inc. |
5 / 12 page 5 ELECTRICAL CHARACTERISTICS: All Output Voltage Versions (Specifications with standard type face are for T = 25°C, and those with boldface type apply over full Operating Temperature Range. Unless otherwise J specified, V = 12V for the 3.3V, 5.0V and ADJ version, V = 25V for 12V version. and V = 30V for 15V version. I = 500 mA) IN IN IN LOAD Parameter Conditions Symbol Min Typ Max Unit Oscillator Frequency Saturation Voltage Max Duty Cycle (ON) Output Leakage Current Quiescent Current Standby Quiescent Current Thermal Resistance Feedback Bias Current Current Limit Logic Input Level ON/OFF Pin ON/OFF Pin Input Current V = 5V (Adjustable Version Only) OUT (Note 11) I = 1A (Notes 4) OUT (Note 5) (Note 4, 11) (Notes 6, 7) Output = 0 V Output = -1V (Note 6) ON/OFF Pin = 5V (OFF) TO-220 Package, Junction to Ambient (Note 8) TO-220 Package, Junction to Ambient (Note 8) TO-220,TO-263, Package, Junction to Case TO-252 Package, Junction to Case TO-263 Package, Junction to Ambient (Note 10) V =0V OUT V = Nominal Output Voltage OUT I FB F O V SAT TDC I OL I Q I STBY V IH V IL V IH I IL - 47 / 42 - - - - - - - - - - - - 50 52 0.9 98 2.2 - 7.5 5 50 1.4 1.2 12 0 65 45 2 6 37 - - - - 100 / 500 58 / 63 1.2 / 1.4 - 2 30 10 200 30 10 kHz V % A mA mA mA °C/W V V mA mA nA 93 I CL 1.7 / 1.3 3.0 / 3.2 ON/OFF Pin = 5V (OFF) ON/OFF Pin = 0V (ON) 2.2 / 2.4 - - 1.0 / 0.8 Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indic ate 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 Statistics 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 GM7110 is used as shown in the Figure 2 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 50°C//W, with 1 square inch JA of copper area, q is 37°C/W, and with 1.6 or more square inches of copper area, q is 32°C/W. JA 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 Gm7110 By lowering the minimum duty cycle from 5% down to approximately 2%. qJA qJA qJC qJC qJA A A MICROELECTRONICS GM7110 1A STEP-DOWN VOLTAGE SWITCHING REGULATOR Power Management |
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