Datasheet

LT3090
29
3090fa
For more information www.linear.com/LT3090
5V to ±2.5V Low Noise Power Supply
Typical applicaTions
3090 TA15
BD
BOOST
SW
FB
LT3480
V
IN
RT
PG
SYNC
RUN/SS
GND V
C
18.2k
V
IN
5V
330pF
0.47µF
47µF
D
L
10µH
68.1k
1%
f
OSC
= 500kHz
D: DIODES INC, DFLS240L
L: NEC/TOKIN PLC-0755-100
539k
47µF
LT3085
CTRL
–
+
SET
0.1µF
249k
1%
OUT
IN
4.7µF
V
OUT2
2.5V
MAX I
OUT
500mA
LT3090
GND
ILIM
SHDN
–
+
50µA
10µA
SET
0.1µF
OUT
IMONN
4.7µF
49.9k
1%
V
OUT2
–2.5V
MAX I
OUT
600mA
IN
IMONP
10k
4.7µF
V
IN
–5V
100k
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