SPX2815 SIPEX [Sipex Corporation], SPX2815 Datasheet - Page 5

• Manufacturer Part Number: SPX2815
• Description: 1.5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response
• Manufacturer: SIPEX [Sipex Corporation]

Figure 7. Typical Adjustable Regulator
Date: 5/17/04
Figure 9. 5V Regulator with Shutdown
V
IN
4.7µF +
(Note A)
V
V
Input
TTL
OUT
IN
= V
+
Note A: V
REF
C
1
(1+R
4.7µF
1K
IN
IN(MIN)
2
IN
/R
1
) +I
1k
= (Intended V
SPX2815
SPX2815
ADJ/GND
ADJ
ADJ
R
ADJ
2N3904
50µA
I
ADJ
TO-252 (R)
2
Front View
OUT
1
OUT
) + (V
V
OUT
OUT
2
DROPOUT (MAX)
3
V
V
330W
1kΩ
REF
IN
1%
1%
R
R
)
+
1
2
ADJ/GND
SPX2815 1.5A Low Dropout Voltage Regulator
10µF
C
2
TO-220-3 (U)
V
Front View
OUT
5V
1
V
2
OUT
5
3
V
APPLICATION INFORMATION: Continued
IN
Figure 8. Improving Ripple Rejection
Figure 10. Recommended Connections for Best Results
V
IN
*C
Note A: V
Z
C
(Note A)
1
V
should be ~ R1 at ripple frequency
IN
improves ripple rejection.
ADJ/GND
IN(MIN)
4.7µF
ADJ
= (Intended V
+
TO-263-3 (T)
1
SPX2815
Top View
V
2
OUT
OUT
Case of Regulator
IN
Connect R to
SPX2815
) + (V
3
V
IN
R
ADJ
DROPOUT (MAX)
P
© Copyright 2004 Sipex Corporation
Resistance
Parasitic Line
OUT
R
R
1kΩ,
)
1%
1
2
R
2
to Load
Connect R
5V
330Ω
1%
R
1
+
PINOUTS
10µF*
C
2
1
R
L
10µF
V
OUT
V
OUT