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ZXSC440 датащи(PDF) 12 Page - Zetex Semiconductors

номер детали ZXSC440
подробное описание детали  PHOTOFLASH CHARGER
PDF  13 Pages
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производитель  ZETEX [Zetex Semiconductors]
домашняя страница  http://www.diodes.com/
Logo ZETEX - Zetex Semiconductors

ZXSC440 датащи(HTML) 12 Page - Zetex Semiconductors

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Low power digital camera photoflash charger
Specification
VIN =3V
VOUT =
275V
Efficiency =
58%
Charging time =
6.8 seconds
ZXSC440
SEMICO NDUC TORS
DRAFT ISSUE F - MAY 2004
12
Circuit diagram
Ref
Value
Package
Part number
Manufacturer
Notes
U1
MSOP8
ZXSC440
Zetex
U2
SOT23-6
ZXTD6717
Zetex
NPN/PNP dual
Q1
SOT23
FMMT619
Zetex
50V NPN low sat
D1
200V
SOT23
BAS21
Philips
200V fast rectifier
D2
200V
SOT23
BAS21
Philips
200V fast rectifier
D3
2A
SOT23-6
ZLLS2000
Zetex
2A Schottky diode
Tx1
Sumida
See note
(1)
R1
33m
0805
RL1210
Cyntec
R2
200
0805
Generic
Generic
R3
2k2
0805
Generic
Generic
R4
10M /400V
Axial
Generic
Generic
Output voltage across resistor
R5
10k
0805
Generic
Generic
C1
100uF/10V
0805
Generic
Murata
C2
220nF
0805
GRM Series
Murata
C3
10pF/500V
1206
Generic
Generic
Output voltage seen across capacitor
C4
10nF/6V3
1206
Generic
Generic
C5
80uF/330V
Radial
FW Series
Rubycon
Photoflash capacitor
Bill of materials
NOTES:
(1) Transformer specification: Primary inductance: 32uH, Core: Sumida CEEH64, Turns ratio: 1:10



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