Epson Power Supply IC S1F70000 Technical Manual page 174

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