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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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XRP7714 데이터시트(PDF) 7 Page - Exar Corporation |
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XRP7714 데이터시트(HTML) 7 Page - Exar Corporation |
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7 / 29 page  X XR RP P7 77 71 14 4 Q Qu ua ad d 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. 1.1.4 Name Pin Number Description GL1-GL4 17,22,30,35 Output pin of the low side gate driver. Connect directly to the respective gate of an external N- channel MOSFET. GH1-GH4 19,24,28,33 Output pin of the high side gate driver. Connect directly to the respective gate of an external N- channel MOSFET. LX1-LX4 34,29,23,18 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-BST4 32,27,20,25 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. GPIO0- GPIO3 3,4,5,6 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 7,8 I2C serial interface communication pins. These pins can be re-programmed to perform GPIO functions in applications when I2C bus is not used. VOUT14 12,13,14,15 Voltage sense. Connect to the output of the corresponding power stage. LDOOUT 40 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 9 If ENABLE is pulled high, the chip powers up (logic reset, registers configuration loaded, etc.). If pulled low for longer than 100us, the XRP7714 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 XRP7714ILB- F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 40-pin TQFN Bulk Halogen Free XRP7714ILBTR-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 40-pin TQFN 3K/Tape & Reel Halogen Free XRP7714ILB-0X10-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X10 40-pin TQFN Bulk Halogen Free 0X10 XRP7714ILBTR-0X10-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X10 40-pin TQFN 3K/Tape & Reel Halogen Free 0X10 XRP7714ILB-0X14-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X14 40-pin TQFN Bulk Halogen Free 0X14 XRP7714ILBTR-0X14-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X14 40-pin TQFN 3K/Tape & Reel Halogen Free 0X14 XRP7714ILB-0X18-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X18 40-pin TQFN Bulk Halogen Free 0X18 XRP7714ILBTR-0X18-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X18 40-pin TQFN 3K/Tape & Reel Halogen Free 0X18 XRP7714ILB-0X1C-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X1C 40-pin TQFN Bulk Halogen Free 0X1C XRP7714ILBTR-0X1C-F -40°C≤TJ≤+125°C XRP7714ILB YYWW X 0X1C 40-pin TQFN 3K/Tape & Reel Halogen Free 0X1C XRP7714EVB XRP7714 Evaluation Board “YY” = Year – “WW” = Work Week – “X” = Lot Number |
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