TL5209 Datasheet, PDF (17/22 Pages) Texas Instruments – 500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR WITH SHUTDOWN

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TL5209
500-mA LOW-NOISE LOW-DROPOUT VOLTAGE REGULATOR
WITH SHUTDOWN
SLVS581 – SEPTEMBER 2006
TYPICAL APPLICATION CIRCUITS
V_IN = 3.3 V
1 µF
IN
OUT
GND
V_OUT = 2.5 V ± 1%
2.2 µF
Figure 5. Fixed 2.5-V Regulator (TL5209-25, SOT-223)
V_IN = 5 V
1 µF
IN
OUT
EN _{GND BYP}
V_OUT = 3.3 V ± 1%
2.2 µF
470 pF
Figure 6. Fixed 3.3-V Low-Noise Regulator (TL5209-33, SOIC-8, or TO-263)
V_IN
1 µF
IN
OUT
EN
ADJ/BYP
GND
R1
470 pF
R2
2.2 µF
V_OUT†
A. V_OUT = 1.242 V (1 + R2/R1)
B. R2 should be ≤ 470 kΩ for optimal performance.
Figure 7. Low-Noise Adjustable Regulator (TL5209, SOIC-8, or TO-263)
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