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SPX1587AU-2-5 Datasheet(PDF) 5 Page - Sipex Corporation |
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SPX1587AU-2-5 Datasheet(HTML) 5 Page - Sipex Corporation |
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5 / 11 page  5 Jun8-07 Rev D SPX587 Low-Dropout Voltage Regulator © 2007 Sipex Corporation Figure 9. 5V Regulator with Shutdown SPX1587 VIN R1 R2 10µF 10µF* 1k , 330 1% + + 4.7µF C1 *C 1 improves ripple rejection. ZCshould be ~ R1 at ripple frequency 5V ADJ IN OUT (Note A) V OUT Note A: VIN(MIN) = (Intended VOUT) + (V DROPOUT(MAX)) 1% 1k SPX1587 10µF 330 1% + + 4.7µF 5V ADJ IN OUT (Note A) TTL Input 2N3904 DROPOUT (MAX) Note A: V IN(MIN)= (Intended VOUT ) + (V ) VIN Figure 10. Recommended Connections for Best Results Figure 8. Improving Ripple Rejection SPX1587 R 2 R 1 Connect R2 to Load R L Connect R to Case of Regulator RPParasitic Line Resistance ADJ VOUT VIN IN OUT IADJ SPX1587 C1 R1 R2 VOUT VIN C2 VOUT = VREF (1+R 2 /R1) +IADJR 2 V REF 50µA ADJ 4.7µF + Figure 7. Typical Adjustable Regulator Figure 6. Current Source LOAD ADJ SPX1587 V IN C1 OUT IN 4.7µF C 2 IOUT R1 VREF R1 IOUT= + VOUT APPLICATION INFORMATION: Continued -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1000 10000 100000 1000000 Frequency, Hz Figure 5. Ripple Rejection; Vin=3.3V, Vout=1.8V (adj.), Iload=200mA 1k 1k 1% |
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Similar Description - SPX1587AU-2-5 |
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