Datasheet

LT3479
17
3479fc
TYPICAL APPLICATIONS
3479 TA11
L3
15μH
10.2k
1.13k
11.3k
10.2k
4.99k
3.3nF
D1, D2: DIODES INC DFLS230 2A, 30V
D3: PHILIPS 1PS79SB62
L1-L4: SUMIDA CDRH6D38-150
ALL CAPACITORS X5R/X7R DIELECTRIC
OR EQUIVALENT
20nF
4.7μF
16V
30μF
16V
FBN
SWLV
S
V
IN
V
REF
SHDN
SS
LT3479
FBP
V
C
R
T
GND
L1
15μH
D1
D2
D3
V
IN
10V TO 14V
V
OUT
–7V TO –10V
1A
V
OUT
7V TO 10V
1A
10k
10nF
470pF
470pF
5.76k 26.1k
10.2k
4.99k
3.3nF
4.7μF
16V
1μF
16V
1μF
16V
30μF
16V
FBN
SWLV
S
V
IN
V
REF
SHDN
SS
LT3479
FBP
SHDN
V
C
R
T
GND
V
CTRL
0V-2.5V
L2
15μH
L4
15μH
1A Dual Tracking Power Supply with Adjustable Outputs
I
OUT
(A)
0
EFFICIENCY (%)
80
75
70
65
60
55
50
0.2 0.4 0.6 0.8
3479 TA11b
1.0
V
IN
= 14V, V
OUT
= p7V
V
IN
=10V, V
OUT
= p7V
V
IN
=14V, V
OUT
= p10V
Effi ciency