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APW7071 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White LED DC/DC Step-Up Converter - Anpec Electronics Coropration

भाग संख्या APW7071
समारोह White LED DC/DC Step-Up Converter
मैन्युफैक्चरर्स Anpec Electronics Coropration 
लोगो Anpec Electronics Coropration लोगो 
पूर्व दर्शन
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<?=APW7071?> डेटा पत्रक पीडीएफ

APW7071 pdf
APW7071
Block Diagram
OVP(5)
VIN(6)
www.DataSheet4U.com
FB(3)
Under
Voltage
Lockout
400ns Min.
off-time
Error
Comparator
-
+
Vref=0.25V
Thermal
Shutdown
Control
Logic
OVP
-
+
Gate
Driver
SW(1)
N-MOSFET
6us Max.
on-time
SHDN(4)
Current Limit
+
-
Soft
start
RSENSE
GND(2)
Pin Description
No Name
1 SW
2 GND
3 FB
4 SHDN
5 OVP
6 Vin
Function
Switch Pin. Connect to inductor/diode here. Minimize trace area at this
pin to educe EMI.
Ground Pin.
Feedback Pin. Reference voltage is 0.25V. Connect cathode of
lowest LED and resistor here. Calculate resistor value according to
RFB = 0.25V/l LED
Shutdown Pin. Tie to 1.3V or higher to enable device, 0.4V or less to
disable.
Over voltage protection sense pin. Connect this pin to VOUT for over
voltage protection.
Supply voltage Pin.
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Feb., 2006
2
www.anpec.com.tw

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डाउनलोड[ APW7071 Datasheet.PDF ]


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