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GM7230-15TB5BT Datasheet(PDF) 5 Page - Gamma Microelectronics Inc. |
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GM7230-15TB5BT Datasheet(HTML) 5 Page - Gamma Microelectronics Inc. |
5 / 13 page 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. J Unless otherwise specified, V = 12V for the 3.3V, 5.0V and ADJ version and V = 24V for 12V version. I = 500 mA) IN IN LOAD Parameter Conditions Symbol Min Typ Max Unit Oscillator Frequency Saturation Voltage Max Duty Cycle (ON) Min Duty Cycle (OFF) 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 = 1.3V (Adjustable Version Only) FB (Note 6) I = 3A (Notes 7, 8) OUT (Note 8) (Note 9) Peak Current (Notes 7, 8) (Notes 7, 9, 10) Output = 0 V (Note 9) ON/OFF Pin = 5V (OFF) (Note 10) TO-220 or TO-263 Package, Junction to Case TO-220 Package, Junction to Ambient (Note 11) TO-263 Package, Junction to Ambient (Note 12) TO-263 Package, Junction to Ambient (Note 13) TO-263 Package, Junction to Ambient (Note 14) Low (ON) High (OFF) V = 2.5V (OFF) LOGIC V = 0.5V (ON) LOGIC I b f o V SAT DC DC I CL I L I Q I STBY qJC qJA qJA qJA qJA V IH V IL I H IL - 127/110 - 3.6 / 3.4 2.0 - - - - - - - - - - 10 150 1.16 100 0 4.5 - 2 5 80 1.3 1.3 5 0.02 2 50 50 30 20 - - - - - 50 / 100 173 / 173 1.4 / 1.5 - - 6.9 / 7.5 50 30 10 200 / 250 0.6 - 15 5 kHz V % % A mA mA µA °C/W V V µA 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. For guaranteed specifications and test conditions, see the Electrical Characteristics. Note 2: The human body model is a 100 pF capacitor discharged through a 1.5k resistor into each pin. Note 3: Typical numbers are at 25°C and represent the most likely norm. Note 4: All limits guaranteed at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits are 100% production tested. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL). Note 5: External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect switching regulator system performance. When the GM7230 is used as shown in the Figure 1 test circuit, system performance will be as shown in system parameters section of Electrical Characteristics. Note 6: The switching frequency is reduced when the second stage current limit is activated. Note 7: No diode, inductor or capacitor connected to output pin. Note 8: Feedback pin removed from output and connected to 0V to force the output transistor switch ON. Note 9: Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor switch OFF. Note 10: V = 40V. IN Note 11: Junction to ambient thermal resistance (no external heat sink) for the TO-220 package mounted vertically, with the leads soldered to a printed circuit board 2 with (1 oz.) copper area of approximately 1 in . 2 Note 12: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single printed circuit board with 0.5 in of (1 oz.) copper area. 2 Note 13: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 2.5 in of (1 oz.) copper area. 2 Note 14: Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in of (1 oz.) copper area on 2 Gm7230 side of the board, and approximately 16 in of copper on the other side of the p-c board. nA - - 5 µA (Notes 10) Output = -0.9V µA A A MICROELECTRONICS GM7230 3A STEP-DOWN VOLTAGE REGULATOR Power Management |
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