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LM2750SD-ADJ Fiches technique(PDF) 2 Page - Texas Instruments |
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LM2750SD-ADJ Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 24 page Top View 1 2 3 4 5 10 9 8 7 6 VOUT VOUT GND/FB* SD GND C+ VIN VIN C- GND Bottom View 10 9 8 7 6 1 2 3 4 5 Die-Attach Pad (DAP) GND Die-Attach Pad (DAP) GND VOUT VOUT GND/FB* SD GND C+ VIN VIN C- GND * LM2750-5.0: Pin 3 = GND; LM2750-ADJ: Pin 3 = FB LM2750 SNVS180L – APRIL 2002 – REVISED MAY 2013 www.ti.com DESCRIPTION (CONTINUED) A perfect fit for space-constrained, battery-powered applications, the LM2750 requires only 3 external components: one input capacitor, one output capacitor, and one flying capacitor. Small, inexpensive ceramic capacitors are recommended for use. These capacitors, in conjunction with the 1.7MHz fixed switching frequency of the LM2750, yield low output voltage ripple, beneficial for systems requiring a low-noise supply. Pre-regulation minimizes input current ripple, reducing input noise to negligible levels. A tightly controlled soft-start feature limits inrush currents during part activation. Shutdown completely disconnects the load from the input. Output current limiting and thermal shutdown circuitry protect both the LM2750 and connected devices in the event of output shorts or excessive current loads. Connection Diagram Figure 1. LM2750 10-Pin WSON/SON (3mm X 3mm) See Package Number NGY0010A or DSC0010A Pin Names and Numbers apply to both NGY0010A and DSC0010A packages. Pin Descriptions Pin #(s) Pin Name Description 8, 9 VIN Input Voltage - The pins must be connected externally. 1, 2 VOUT Output Voltage - These pins must be connected externally. 10 CAP+ Flying Capacitor Positive Terminal 7 CAP- Flying Capacitor Negative Terminal Active-Low Shutdown Input. A 200k Ω resistor is connected internally between this pin and 4 SD GND to pull the voltage on this pin to 0V, and shut down the part, when the pin is left floating. LM2750-5.0: GND This pin must be connected externally to the ground pins (pins 5, 6, and the DAP). 3 LM2750-ADJ: FB Feedback Pin 5, 6, DAP GND Ground - These pins must be connected externally. 2 Submit Documentation Feedback Copyright © 2002–2013, Texas Instruments Incorporated Product Folder Links: LM2750 |
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Description similaire - LM2750SD-ADJ |
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