SPX1086 Datasheet, PDF (5/7 Pages) Sipex Corporation – 1.5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response

TYPICAL APPLICATIONS
SPX1086
V_IN
IN
SPX1086
OUT
C₁
ADJ
R₁
LOAD
Fig. 4 1.5A Current output Regulator
V_IN
IN SPX1086
OUT
V_OUT
C₁
ADJ
C₂
R₁
V_OUT = V_REF (1 + R₂ ) + I_ADJ R₂
R₂
R₁
Fig. 5 Typical Adjustable Regulator
(Note A)
V_IN
+
10µF
IN
OUT
SPX1086
ADJ
5V
R₁
121Ω
1%
V_OUT
*C₁ improves ripple rejection. Xc
should be ~ R ₁ at ripple frequency.
R₂
365Ω
1%
Note A: V_IN(MIN)= (Intended V_OUT) + (V_{DROPOUT (MAX)})
150µF
+ _1C01µF*
Fig. 6 Improving Ripple Rejection
V_IN
(Note A)
+
IN
OUT
SPX1086
ADJ
10µF
TTL
Input
1k
2N3904
1k
5V
121Ω
1%
+
100µF
365Ω
1%
Note A: V_IN(MIN)= (Intended V_OUT) + (V_{DROPOUT (MAX)})
Fig.7 5V Regulator with Shutdown
Rev. 11/2/00