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AP1604AWL-7 Datasheet(PDF) 1 Page - Diodes Incorporated

Part # AP1604AWL-7
Description  PWM/PFM DUAL MODE STEP-DOWN DC/DC
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1604AWL-7 Datasheet(HTML) 1 Page - Diodes Incorporated

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AP1604A
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
AP1604A Rev. 2
1 of 7
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
Lead-free
Input voltage range: 2.2V~5.5V (VOUT type)
Oscillator frequency: 600KHz (Typ.)
Internal reference: 1.0V (Typ.)
High efficiency: 93% (Typ.)
Stand-by capability: ISTB=2µA. (Typ.)
Soft-start time set-up externally type possible
Current limit and thermal shutdown protection
Lead Free Package: SOT25
SOT25: Available in “Green” Molding Compound
(No Br, Sb)
Lead Free Finish/ RoHS Compliant (Note 1)
The AP1604A series are multi-functional step-down DC/DC
converters with built-in speed, low ON resistance drivers. It is
capable to deliver more than 800mA output current with external
coil, diode and capacitor.
Output voltage is set-up by the external resistors. (±2.5%
accuracy). The 600KHz AP1604A that can work out with small
value external components comes out more compact board.
The device switches to and works under PFM mode with light
loads. It keeps at high efficiency for both light loads and large
output current.
AP1604A can be soft-start with a proper capacitor connected
between CE/SS pin and ground. The stand-by current is less
than 2uA when CE/SS pin is at “LOW” status. The device is
forced to switch off as the voltage at that pin is lower than the
stipulated voltage.
Applications
Electronic Information Organizers
Palmtops
Cellular and portable phones
Portable Audio Systems
Various Multi-function Power Supplies
Ordering Information
AP1604A W X - 7
Packing
Package
Lead Free
W : SOT25
7 : Tape & Reel
L : Lead Free
G : Green
Device
Package
Code
Packaging
(Note 2)
7” Tape and Reel
Quantity
Part Number Suffix
AP1604AWL-7
W
SOT25
3000/Tape & Reel
-7
AP1604AWG-7
W
SOT25
3000/Tape & Reel
-7
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
Features
General Description


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