SPX2815T(2004) Ver la hoja de datos (PDF) - Signal Processing Technologies
Número de pieza
componentes Descripción
Fabricante
SPX2815T Datasheet PDF : 10 Pages
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APPLICATION INFORMATION: Continued
VIN
IN
4.7µF + C1
SPX2815
ADJ
I ADJ
50µA
VOUT = V REF (1+R 2 /R1) +IADJ R 2
OUT
VREF R1
VOUT
C2
R2
Figure 7. Typical Adjustable Regulator
(Note A)
V IN
+
4.7µF
SPX2815
5V
IN
OUT
V
OUT
ADJ
R1
330Ω
1%
*C 1 improves ripple rejection.
ZC should be ~ R1 at ripple frequency
R2
1kΩ,
1%
10µF
+ C1
10µF*
Note A: VIN(MIN) = (Intended VOUT ) + (V DROPOUT (MAX))
Figure 8. Improving Ripple Rejection
VIN
(Note A)
+
SPX2815
IN
OUT
ADJ
4.7µF
1K
TTL
Input
2N3904
1k
5V
330W
1%
+
10µF
1kΩ
1%
Note A: V = (Intended V ) + (V
)
IN(MIN)
OUT
DROPOUT (MAX)
Figure 9. 5V Regulator with Shutdown
RP Parasitic Line
Resistance
VIN
SPX2815
VOUT
ADJ
Connect R to
Case of Regulator R 1
R2
Connect R2
to Load
RL
Figure 10. Recommended Connections for Best Results
TO-252 (R)
TO-220-3 (U)
TO-263-3 (T)
PINOUTS
Date: 5/17/04
1 23
ADJ/GND
V
OUT
V IN
123
Front View
ADJ/GND V OUT V IN
Front View
123
ADJ/GND
V
OUT
V IN
Top View
SPX2815 1.5A Low Dropout Voltage Regulator
5
© Copyright 2004 Sipex Corporation
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