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PDF RT9595 Data sheet ( Hoja de datos )
| Número de pieza | RT9595 | |
| Descripción | MOSFET Integrated Smart Photoflash Capacitor Charger | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9595 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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®
RT9595
MOSFET Integrated Smart Photoflash Capacitor Charger
with IGBT Driver
General Description
The RT9595 is a complete photoflash module solution for
digital and film cameras. It is targeted for applications that
use 2 to 3 AA batteries or 1 Lithium-Ion battery. The RT9595
adopts fly back topology which use constant primary peak
current and zero secondary valley current to charge
photoflash capacitor quickly and efficiently. The built-in
45V MOSFET allows flexibility in transformer design and
simplifies the PCB layout. The RT9595 also integrate an
IGBT driver for igniting photoflash tube. Only a few external
components are required, which greatly reduce the PCB
space and cost. The RT9595 is available in the
WDFN-10L 3x3 package.
Ordering Information
RT9595
Package Type
QW : WDFN-10L 3x3 (W-Type)
Note :
Lead Plating System
G : Green (Halogen Free and Pb Free)
Richtek products are :
` RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Features
z 45V MOSFET Integrated
z Charges any Size Photoflash Capacitor
z Adjustable Input Current
z Adjustable Output Voltage
z Charge Complete Indicator
z Built-In IGBT Driver for IGBT Application
z Constant Peak Current Control
z Over Voltage Protection
z 10-Lead WDFN Package
z RoHS Compliant and Halogen Free
Applications
z Digital Still Camera
z Film Camera Flash Unit
z Camera Phone Flash
Pin Configurations
(TOP VIEW)
GND 1
DRVOUT 2
VDD 3
DRVIN 4
CHARGE 5
10 SW
9 NC
8 CS
7 FB
11 6 STAT
WDFN-10L 3x3
Marking Information
FC= : Product Code
FC=YM
DNN
YMDNN : Date Code
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS9595-04 March 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1
1 page  
Typical Operating Characteristics
Switching
VSW
(20V/Div)
IPRI
(1A/Div)
VSW
(20V/Div)
IPRI
(1A/Div)
ISEC
(200mA/Div)
VDD = 3.3V, VOUT = 100V, VBAT = 3.7V
Time (2.5μs/Div)
ISEC
(200mA/Div)
RT9595
Switching
VDD = 3.3V, VOUT = 300V, VBAT = 3.7V
Time (2.5μs/Div)
CHARGE
(5V/Div)
STAT
(5V/Div)
IIN
(500mA/Div)
VOUT
(200V/Div)
Charging Time
VDD = 3.3V, VBAT = 3.7V, COUT = 140μF
Time (1s/Div)
Charge Time vs. VBAT
14
VDD = 5V, VOUT = 0 to 300V, COUT = 140μF
12
10
8
6
IPK-PRI = 1.4A
4
IPK-PRI = 1.6A
2
1.5 2 2.5 3 3.5 4 4.5 5 5.5
VBAT (V)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS9595-04 March 2012
Charge Time vs. VBAT
14
VDD = 3.3V, VOUT = 0 to 300V, COUT = 140μF
12
10
8
6
IPK-PRI = 1.4A
4
IPK-PRI = 1.6A
2
1.5 2 2.5 3 3.5 4 4.5 5 5.5
VBAT (V)
310
308
306
304
302
85°C
300
298 25°C
296 −40°C
294
292
290
1.5
2
Output Voltage vs. VBAT
VDD = 3.3V
2.5 3 3.5 4 4.5 5 5.5
VBAT (V)
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RT9595.PDF ] | |
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