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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS79930YZUR Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS79930YZUR Fiches technique(HTML) 4 Page - Texas Instruments |
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4 / 30 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 PIN CONFIGURATIONS TPS799xxDDC TSOT23-5 (TOPVIEW) OUT NR IN GND EN 1 2 3 5 4 TPS799xxYZU WCSP (TOPVIEW) C3 C1 B2 A3 A1 OUT EN IN GND NR GND TPS79901YZU WCSP (TOPVIEW) OUT EN IN FB C3 C1 B2 A3 A1 TPS79901DDC TSOT23-5 (TOPVIEW) OUT FB IN GND EN 1 2 3 5 4 TPS799xxDRV 2mmx2mmSON-6 (TOPVIEW) IN N/C EN 6 5 4 OUT NR GND 1 2 3 GND TPS79901DRV 2mmx2mmSON-6 (TOPVIEW) IN N/C EN 6 5 4 OUT FB GND 1 2 3 GND TPS799xx SBVS056I – JANUARY 2005 – REVISED NOVEMBER 2007 Figure 1. Fixed Voltage Versions Figure 2. Adjustable Voltage Versions Table 1. PIN DESCRIPTIONS TPS799xx NAME DDC YZU DRV DESCRIPTION IN 1 C3 6 Input supply. GND 2 B2 3, Pad Ground. The pad must be tied to GND. Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator EN 3 A1 4 into shutdown mode. EN can be connected to IN if not used. Fixed voltage versions only; connecting an external capacitor to this pin bypasses noise NR 4 A3 2 generated by the internal bandgap. This capacitor allows output noise to be reduced to very low levels. Adjustable version only; this pin is the input to the control loop error amplifier, and is used to FB 4 A3 2 set the output voltage of the device. Output of the regulator. A small capacitor (total typical capacitance ≥ 2.0 µF ceramic) is OUT 5 C1 1 needed from this pin to ground to assure stability. N/C — — 5 Not internally connected. This pin must either be left open, or tied to GND. 4 Submit Documentation Feedback Copyright © 2005–2007, Texas Instruments Incorporated |
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