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TPS79928DDCRG4 Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS79928DDCRG4 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 18 page www.ti.com DEVICE INFORMATION FUNCTIONAL BLOCK DIAGRAMS Thermal Shutdown UVLO Current Limit 2 µA Overshoot Detect 500k Quickstart 1.193V Bandgap IN EN NR OUT GND 400 Ω Thermal Shutdown UVLO Current Limit 3.3M Ω Overshoot Detect 500k 1.193V Bandgap IN EN FB OUT GND 400 Ω TPS79901, TPS79915, TPS79916, TPS79918 TPS79925, TPS79927, TPS79928, TPS799285 TPS79929, TPS79930, TPS79932, TPS79933 SBVS056C – JANUARY 2005 – REVISED MAY 2005 Figure 1. Fixed Voltage Versions Figure 2. Adjustable Voltage Versions Table 1. PIN DESCRIPTIONS TPS799xx DESCRIPTION NAME DDC YZU IN 1 C3 Input supply. GND 2 B2 Ground Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator into EN 3 A1 shutdown mode. EN can be connected to IN if not used. Fixed voltage versions only; connecting an external capacitor to this pin bypasses noise generated NR 4 A3 by the internal bandgap. This allows output noise to be reduced to very low levels. Adjustable version only; this is the input to the control loop error amplifier, and is used to set the FB 4 A3 output voltage of the device. Output of the regulator. A small capacitor (total typical capacitance ≥ 2.0µF ceramic) is needed from OUT 5 C1 this pin to ground to assure stability. 5 |
Numéro de pièce similaire - TPS79928DDCRG4 |
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Description similaire - TPS79928DDCRG4 |
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