ZXSC440 Zetex Semiconductors plc., ZXSC440 Datasheet - Page 12

• Manufacturer Part Number: ZXSC440
• Description: Zxsc440 - Photoflash Charger
• Manufacturer: Zetex Semiconductors plc.

Low power digital camera photoflash charger
Specification
V
V
Efficiency =
Charging time =
Bill of materials
NOTES:
(1) Transformer specification: Primary inductance: 32uH, Core: Sumida CEEH64, Turns ratio: 1:10
ZXSC440
Ref
U1
U2
Q1
D1
D2
D3
Tx1
R1
R2
R3
R4
R5
C1
C2
C3
C4
C5
IN
OUT
S E M I C O N D U C T O R S
=
=
Value
200V
200V
2A
33m
200
2k2
10M /400V
10k
100uF/10V
220nF
10pF/500V
10nF/6V3
80uF/330V
3V
275V
58%
6.8 seconds
Package
MSOP8
SOT23-6
SOT23
SOT23
SOT23
SOT23-6
0805
0805
0805
Axial
0805
0805
0805
1206
1206
Radial
Part number
ZXSC440
ZXTD6717
FMMT619
BAS21
BAS21
ZLLS2000
RL1210
Generic
Generic
Generic
Generic
Generic
GRM Series
Generic
Generic
FW Series
Circuit diagram
Manufacturer
Zetex
Zetex
Zetex
Philips
Philips
Zetex
Sumida
Cyntec
Generic
Generic
Generic
Generic
Murata
Murata
Generic
Generic
Rubycon
12
Notes
NPN/PNP dual
50V NPN low sat
200V fast rectifier
200V fast rectifier
2A Schottky diode
See note
Output voltage across resistor
Output voltage seen across capacitor
Photoflash capacitor
(1)
ISSUE 1 - JANUARY 2005