lt3479efe-trpbf Linear Technology Corporation, lt3479efe-trpbf Datasheet - Page 11

• Manufacturer Part Number: lt3479efe-trpbf
• Description: 3a, Full Featured Dc/dc Converter With Soft-start And Inrush Current Protection
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO S
V
5V
IN
3.3V
V
IN
C1
2.2µF
5V to –5V/600mA Inverting DC/DC Converter
C1
2.2µF
10nF
C1, C2: TAIYO YUDEN LMK316BJ225MD
C3: AVX 1206 YD106MAT
D1, D2: DIODES INC B320A
D3: CENTRAL SEMI, CMDSH-3-LTC
L1: TOKO FDV0630-4R7M
10nF
C1: TAIYO YUDEN LMK316BJ225MD
C2: AVX 1206 YD106MAT
D1: DIODES INC B320A
L1: TOKO FDV0630-4R7M
3.3V to 8V/900mA Boost Converter
V
SHDN
SS
IN
R
V
SHDN
SS
T
IN
V
R
17.8k
S
T
V
17.8k
LT3479
S
L
GND
LT3479
L
4.7µH
GND
L1
4.7µH
L1
SW
V
FBN
V
FBP
REF
C
SW
3479 TA06
V
FBN
V
1k
FBP
REF
2.2µF
C
15nF
C2
3479 TA05
4.3k
10nF
U
D1
100k
100pF
D1
402k
169k
30.9k
D2
D3
C2
10µF
C3
10µF
V
8V
0.9A
OUT
V
–5V
600mA
OUT
80
75
70
65
60
55
50
80
60
50
90
70
0
0
0.15
0.15
0.3
Efficiency
Efficiency
I
I
OUT
OUT
0.45
0.3
(A)
(A)
0.6
0.45
0.75
3479 TA06b
3479 TA05b
0.6
0.9
LT3479
11
3479fa