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APR34309CMPTRG1 数据表(PDF) 2 Page - Diodes Incorporated

部件名 APR34309CMPTRG1
功能描述  SECONDARY SIDE SYNCHRONOUS RECTIFICATION SWITCHER
PDF  13 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

APR34309CMPTRG1 数据表(HTML) 2 Page - Diodes Incorporated

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APR34309C
Document number: DS37492 Rev. 5 - 2
2 of 13
www.diodes.com
June 2015
© Diodes Incorporated
APR34309C
A Product Line of
Diodes Incorporated
Pin Descriptions
Pin Number
Pin Name
Function
1
DRISR
Synchronous rectification MOSFET drive.
2
VDET
Synchronous rectification sense input and dynamic function output, connected to DRAIN
through a resistor.
3
AREF
Program a voltage reference with a resistor from AREF to GND, to enable synchronous
rectification MOSFET drive signal.
4
VCC
Power supply, connected with system output.
5
DRAIN
Drain pin of internal MOSFET. The Drain voltage signal can obtain from this pin.
6,7,8
GND
Source pin of internal MOSFET, connected to Ground.
Exposed PAD
DRAIN
Drain pin of internal MOSFET. The secondary current should flow from GND (pin 6.7.8)
to this DRAIN pad.
Functional Block Diagram
VREF
Counter
tONPDET
Dynamic
OSC
Integrator
(VDET-VCC)*tONP
SRDRIVER
OVP
IOVP
IAREF
GND
VDET
VCC
AREF
DRISR
DRAIN
1
2
3
4
5, EP
6,7,8



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