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TPS79325YEQT Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS79325YEQT Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 18 page www.ti.com FUNCTIONAL BLOCK DIAGRAMS ADJUSTABLE VERSION _ + Thermal Shutdown Bandgap Reference 1.22V Current Sense R2 GND EN SHUTDOWN Vref UVLO ILIM External to the Device R1 UVLO 2.45V 250 k Ω NR FB 59 k QuickStart OUT IN IN FIXED VERSION _ + Thermal Shutdown Current Sense R1 R2 GND EN SHUTDOWN Vref UVLO ILIM 250 k Ω NR QuickStart Bandgap Reference 1.22V UVLO 2.45V R2 = 40 k Ω IN IN OUT TPS79301, TPS79318 TPS79325, TPS79328, TPS793285 TPS79330, TPS79333, TPS793475 SLVS348H – JULY 2001 – REVISED OCTOBER 2004 Terminal Functions TERMINAL DESCRIPTION SOT23 SOT23 WCSP NAME ADJ FIXED FIXED Connecting an external capacitor to this pin bypasses noise generated by the internal bandgap. NR 4 4 B2 This improves power-supply rejection and reduces output noise. Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator into EN 3 3 A3 shutdown mode. EN can be connected to IN if not used. FB 5 N/A N/A This terminal is the feedback input voltage for the adjustable device. GND 2 2 A1 Regulator ground IN 1 1 C3 Unregulated input to the device. OUT 6 5 C1 Output of the regulator. 5 |
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Description similaire - TPS79325YEQT |
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