Epson Power Supply S1F70000 User Manual
Page 174
S1F76300 Series
S1F70000 Series
EPSON
4–29
Technical Manual
S1F76300
Series
Diode
Use a Schottky barrier diode with a high switching
speed and low forward voltage drop, V
F
.
Capacitor
To minimize ripple voltages, use capacitors with a
small equivalent direct-current resistance for smooth-
ing.
Sample External Components
Leadless inductors
TDK NLF453232 series magnetically-shielded leadless inductors
Inductance
LQ frequency
Device
DC resistance Rated current
Device
(
µ
H)
Qmin
(MHz)
freuquency
(
Ω
-Max.)
(mA-Max.)
(MHz-Min.)
NLF453232-390K
39.0
±
10%
50
2.52
13
1.89
44
NLF453232-470K
47.0
±
10%
50
2.52
12
2.10
41
NLF453232-560K
56.0
±
10%
50
2.52
11
2.34
39
NLF453232-680K
68.0
±
10%
50
2.52
10
2.60
36
NLF453232-820K
82.0
±
10%
50
2.52
10
2.86
34
NLF453232-101K
100.0
±
10%
50
0.796
9
3.25
32
NLF453232-121K
120.0
±
10%
50
0.796
8
3.64
30
NLF453232-151K
150.0
±
10%
50
0.796
7
4.16
28
NLF453232-181K
180.0
±
10%
40
0.796
6
5.72
26
NLF453232-221K
220.0
±
10%
40
0.796
5.5
6.30
24
NLF453232-271K
270.0
±
10%
40
0.796
5
6.90
23
NLF453232-331K
330.0
±
10%
40
0.796
4.5
7.54
23
NLF453232-391K
390.0
±
10%
40
0.796
4
8.20
21
NLF453232-471K
470.0
±
10%
40
0.796
3.8
9.20
19
NLF453232-561K
560.0
±
10%
40
0.796
3.6
10.50
18
NLF453232-681K
680.0
±
10%
40
0.796
3.4
12.00
17
NLF453232-821K
820.0
±
10%
40
0.796
3
13.50
16
NLF453232-102K
1000.0
±
10%
40
0.252
2.5
16.00
15
Characteristic response
Measurement circuit
1000
10
Inductance (
µ
H)
100
DC current (mA)
1000
500
50
500
100
50
10
5
1
33
µ
H
10
µ
H
4.7
µ
H
1.0
µ
H
150
µ
H
390
µ
H
820
µ
H
DC
supply
5H
20,000
µ
F
Lx
A
YHP4255A
universal bridge