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PDF MP3352 Data sheet ( Hoja de datos )
| Número de pieza | MP3352 | |
| Descripción | 2.5A Integrated Photo Flash Charger | |
| Fabricantes | MPS | |
| Logotipo |  |
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The Future of Analog IC Technology
MP3352
60V, 2.5A Integrated Photo Flash Charger
with IGBT Driver and Quench
DESCRIPTION
The MP3352 is a fast, highly efficient, precision
high-voltage photo-flash charger with integrated
IGBT driver for xenon flash applications. The
programmable peak current is up to 2.5A to
ensure fast charging time. A 200mΩ internal
power switch minimizes the conduction loss. In
addition, a 60V maximum voltage lowers the
transformer turns ratio and improves the
switching loss associated with the primary
leakage inductance. External feedback provides
3% charge accuracy.
The MP3352 is available in a 16-pin 3mm x
3mm QFN package.
FEATURES
• Integrated 60V, 200mΩ Power Switch
• Programmable Peak Current Up to 2.5A
• 3% Charge Accuracy
• <1uA Shutdown Current
• Integrated IGBT Driver
• Integrated Quench Feature
APPLICATIONS
• Digital Still Cameras
• Optical Film Cameras
• Mobile Phones With Camera
• PDAs With Camera
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks
of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
T1A
VIN
CHAG
RDYB
QREF
QSNS
AGND
IGBTIN
VIN SW
SW
CHARGE
FB
MP3352
RDYB
ISET
QREF
IGBTOUT
QSNS
IGBTIN
PGND
GND
PGND
NC NC
R13
10k
D1
+
R9
33.2k
FGR15N40A
TP8
T2
D2
600V/1A
MP3352 Rev. 0.9
11/12/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
1
1 page  
MP3352 – 60V, 2.5A INTEGRATED PHOTO FLASH CHARGER WITH IGBT DRIVER AND QUENCH
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
TA = +25°C, unless otherwise noted.
Charge time vs.
Input Voltage
2.5
Efiiciency at ISET=2.5A
85
80
2.0 75
70
1.5 65
1.0
0.5
0
2.0
3.0 4.0 5.0 6.0
INPUT VOLTAGE (V)
7.0
60
55
50
45
40
50
VIN=6V
VIN=3V
VIN=4.5V
100 150 200 250 300
OUTPUT VOLTAGE (V)
Line Regulation (%)
1.00
0.50
0.00
-0.50
-1.00
2.0
3.0 4.0 5.0 6.0
INPUT VOLTAGE (V)
7.0
Flash Current
VOUT=300V
VIGBTOUT
2V/div.
VIGBTIN
2V/div.
VOUT
100V/div.
IFLASH
50A/div.
VOUT vs. VIN
300
298
296
294
292
290
2.0
3.0 4.0 5.0 6.0
INPUT VOLTAGE (V)
7.0
MP3352 Rev. 0.9
11/12/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MP3352.PDF ] | |
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