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XRP7713 Datasheet(PDF) 7 Page - Exar Corporation |
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XRP7713 Datasheet(HTML) 7 Page - Exar Corporation |
7 / 29 page X XR RP P7 77 71 13 3 T Th hrreeee C Ch ha an nn neell D Diig giitta all P PW WM M S Stteep p D Do ow wn n C Co on nttrro olllleerr © 2010 Exar Corporation 7/29 Rev. 1.1.1 Name Pin Number Description GL1-GL3 27, 22, 14 Output pin of the low side gate driver. Connect directly to the respective gate of an external N- channel MOSFET. GH1-GH3 25, 20, 16 Output pin of the high side gate driver. Connect directly to the respective gate of an external N- channel MOSFET. LX1-LX3 26, 21, 15 Lower supply rail for the high-side gate driver (GHx). Connect this pin to the switching node at the junction between the two external power MOSFETs and the inductor. These pins are also used to measure voltage drop across bottom MOSFETs in order to provide output current information to the control engine. BST1-BST3 24, 19, 17 High side driver supply pin(s). Connect BST to an external boost diode and a capacitor as shown in the front page diagram. The high side driver is connected between the BST pin and LX pin. GPIO1- GPIO3 2,3,4 These pins can be configured as inputs or outputs to implement custom flags, power good signals and enable/disable controls. A GPIO pin can also be programmed as an input clock synchronizing IC to external clock. Refer to the “GPIO Pins” Section and the “External Clock Synchronization” Section for more information. GPIO4_SDA, GPIO5_SCL 5,6 I2C serial interface communication pins. These pins can be re-programmed to perform GPIO functions in applications when I2C bus is not used. VOUT14 10, 11, 12 Voltage sense. Connect to the output of the corresponding power stage. LDOOUT 31 Output of the Standby LDO. It can be configured as a 5V or 3.3V output. This pin should be bypassed with a minimum of 2.2uF. ENABLE 7 If ENABLE is pulled high, the chip powers up (logic reset, registers configuration loaded, etc.). If pulled low for longer than 100us, the XRP7713 is placed into shutdown. AGND Exposed Pad Analog Ground. Connect to analog ground (as noted above for pin 11). ORDERING INFORMATION Part Number Junction Temp Range Marking Package Packing Quantity Note 1 Default I2C Address XRP7713ILB-F -40°C≤TJ≤+125°C XRP7713ILB YYWW X 32-pin TQFN Bulk Halogen Free 0x00 XRP7713ILBTR-F -40°C≤TJ≤+125°C XRP7713ILB YYWW X 32-pin TQFN 3K/Tape & Reel Halogen Free 0x00 XRP7713EVB XRP7713 Evaluation Board “YY” = Year – “WW” = Work Week – “X” = Lot Number |
Similar Part No. - XRP7713_10 |
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Similar Description - XRP7713_10 |
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