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TRS3122E Datasheet(PDF) 3 Page - Texas Instruments |
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TRS3122E Datasheet(HTML) 3 Page - Texas Instruments |
3 / 28 page (Top View) INVALID FORCEON VL C1- FORCEOFF GND DOUT1 DOUT2 RIN1 RIN2 C3- C3+ 11 10 12 8 7 9 20 21 19 23 24 22 3 TRS3122E www.ti.com SLLSET7C – MAY 2016 – REVISED MAY 2016 Product Folder Links: TRS3122E Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 5 Pin Configuration and Functions VQFN P Package 24-Pin RGE Top View Pin Functions Pin I/O DESCRIPTION NAME NO. C1+, C2+ 21, 22 - Positive terminals of voltage-doubler charge-pump capacitors (required) C3+ 1 - Positive terminal of voltage-tripler charge-pump capacitor (Not needed for VCC 3V to 5.5V) C1–, C2- 16, 23 - Negative terminals of voltage-doubler charge-pump capacitors (required) C3- 2 - Negative terminal of voltage-tripler charge-pump capacitor (Not needed for VCC 3V to 5.5V) V+ 20 - Positive charge pump storage capacitor (required) V– 24 - Negative charge pump storage capacitor (required) GND 17 - Ground VCC 19 - 1.8-V or 3-V to 5-V supply voltage VL 18 - Logic-level supply. All CMOS inputs (DIN) and outputs (ROUT) are referenced to this supply. FORCEOFF 14 I Auto Powerdown Control input (Refer to Truth Table) FORCEON 15 I Auto Powerdown Control input (Refer to Truth Table) INVALID 13 O Invalid Output Pin DIN1, DIN2 10,9 I Driver inputs DOUT1, DOUT2 5, 6 O RS-232 driver outputs RIN1, RIN2 3, 4 I RS-232 receiver inputs ROUT1, ROUT2 12, 11 O Receiver outputs; swing between 0 and VL NC 7, 8 I Factory pins, can be unconnected or connected to GND |
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