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STD 12V DC-DC turn 3.3V

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Update time: 2021-04-11 18:22:08
Creation time: 2016-04-22 04:46:37
Description
1、Module description: The TPS6217x is a high efficiency synchronous step-down DC/DC converter, based on the DCS-Control™ topology. With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current. The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it features a sleep mode to supply applications with advanced power save modes like ultra low power micro controllers. The power good output may be used for power sequencing and/or power on reset. 2、Function Description: DCS-Control™ Topology Input Voltage Range 4.75 V to 28 V Quiescent Current Typically 4.8 µA (Sleep Mode) 100% Duty Cycle Mode Active Output Discharge Power Good Output Output Current of 500 mA Output Voltage Range 1 VDC to 6 V Switching Frequency of Typically 1 MHz Seamless Power Save Mode Transition Undervoltage Lockout Short Circuit Protection Over Temperature Protection Available in 2-mm × 3-mm 10-pin WSON Package 3、Description of each function module: ![enter image description here][1] 4、Components and PCB diagram before welding: ![enter image description here][2] 5、Physical map after welding: ![enter image description here][3] ![enter image description here][4] ![enter image description here][5] [1]: /editor/20160627/5770a0b7f0251.png [2]: /editor/20160627/5770a0cd6dc08.jpg [3]: /editor/20160627/5770a14bbc791.jpg [4]: /editor/20160627/5770a14fe98f1.jpg [5]: /editor/20160627/5770a15558168.jpg
Design Drawing
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ID Name Designator Footprint Quantity
1 TPS62177 U1 WSON-10 1
2 2.2uF 50V C1 10uF 1
3 0R R1,R4 3-0603 2
4 100k R2 3-0603 1
5 10uH L1 L7X7 1
6 22uF 16V C2 10uF 1
7 SIP3 P2 HDR1X3 1
8 SIP2 P1 HDR1X2 1
9 510R R3 3-0603 1
10 LED D1 L-0603 1

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