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AP1605 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP1605
Description  PWM/PFM DUAL-MODE STEP-DOWN SWITCHING REGULATOR
PDF  7 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1605 Datasheet(HTML) 2 Page - Diodes Incorporated

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AP1605
PWM/PFM DUAL-MODE STEP-DOWN SWITCHING
REGULATOR
AP1605 Rev. 1
2 of 7
JANUARY 2007
www.diodes.com
© Diodes Incorporated
( Top View )
1
2
3
4
8
7
6
5
FB
SW
Vcc
SOP-8L
AP1605
SW
Vss
Vss
PVcc
CE
Pin No.
Pin
Name
SOP
Description
FB
1
Feedback pin
CE
2
Chip Enable:
H: Enable
L: Disable
Vcc
3
IC signal power supply pin,
add a 10Ω resistor to PVcc
and a 0.1µF capacitor to
GND.
PVcc
4
IC power supply pin
SW
5, 6
Switch Pin. Connect
external inductor/diode
here. Minimize trace area at
this pin to reduce EMI.
Vss
7, 8
GND Pin
Block Diagram
Oscillation
Circuit
Reference Voltage
Source
PWM /PFM -Switched
Control Circuit
+
-
AP1605
VSS
FB
PVCC
SW
VCC
CE
Pin Assignments
Pin Descriptions



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