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PDF DS8409 Data sheet ( Hoja de datos )
| Número de pieza | DS8409 | |
| Descripción | Green Mode Buck Converter | |
| Fabricantes | Richtek | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DS8409 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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®
RT8409
Green Mode Buck Converter
General Description
The RT8409 integrates a power MOSFET controller. It is
used for step down converters by well controlling the
internal MOSFET and regulating a constant output voltage.
The RT8409 features few system component counts and
simple system design. Especially, the RT8409 can use a
cheap simple drum core inductor in the system instead
of an EE core while maintaining the high efficiency.
The RT8409 is housed in a SOP-8 package. The
components of the whole system can be made very
compact.
Ordering Information
RT8409
Package Type
S : SOP-8
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
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.
Marking Information
RT8409
GSYMDNN
RT8409GS : Product Number
YMDNN : Date Code
Features
Built-In 600V Power MOSFET
Programmable Constant Output Voltage
Extremely Low Quiescent Current Consumption and
1μA Shutdown Current
Low System BOM Cost for Economical Step Down
Converter Solution
Universal Off-Line Input Voltage operation Range
Built-In Over-Temperature Protection
Built-In Over-Voltage Protection
Output Open Protection
Output Short Protection
Output Over-Current Protection
SOP-8 Package
Applications
Home Appliance
Standby Power
Pin Configuration
(TOP VIEW)
SGND
COMP
FB
SENSE
2
3
4
8 VCC
7 NC
6 DRAIN
5 DRAIN
SOP-8
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS8409-00 September 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1
1 page  
RT8409
Note 1. Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect
device reliability.
Note 2. θJA is measured under natural convection (still air) at TA = 25°C with the component mounted on a low effective-thermal-
conductivity two-layer test board on a JEDEC thermal measurement standard.
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS8409-00 September 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
5
5 Page 
Outline Dimension
A
JB
H
M
RT8409
F
C
I
D
Symbol
A
B
C
D
F
H
I
J
M
Dimensions In Millimeters
Min Max
4.801
5.004
3.810
3.988
1.346
1.753
0.330
0.508
1.194
1.346
0.170
0.254
0.050
0.254
5.791
6.200
0.400
1.270
Dimensions In Inches
Min Max
0.189
0.197
0.150
0.157
0.053
0.069
0.013
0.020
0.047
0.053
0.007
0.010
0.002
0.010
0.228
0.244
0.016
0.050
8-Lead SOP Plastic Package
Richtek Technology Corporation
14F, No. 8, Tai Yuen 1st Street, Chupei City
Hsinchu, Taiwan, R.O.C.
Tel: (8863)5526789
Richtek products are sold by description only. Richtek reserves the right to change the circuitry and/or specifications without notice at any time. Customers should
obtain the latest relevant information and data sheets before placing orders and should verify that such information is current and complete. Richtek cannot
assume responsibility for use of any circuitry other than circuitry entirely embodied in a Richtek product. Information furnished by Richtek is believed to be
accurate and reliable. However, no responsibility is assumed by Richtek or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Richtek or its subsidiaries.
DS8409-00 September 2016
www.richtek.com
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet DS8409.PDF ] | |
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