AP1609_09 Datasheet, PDF (1/9 Pages) Diodes Incorporated – PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER

AP1609
PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER
Features
• Input Voltage Range: 2.5~6V
• Output Voltage Range: 3.0~17V (±2.5%)
• PWM/PFM Switching Control
• Oscillator Frequency: 300KHz (±20%)
• High Efficiency: 91% (Typ.)
• Stand-by Current: ISTB 1 = µA (Typ.)
• Built-in internal N-Channel MOS
• Lead Free Package: SOP-8L
• SOP-8L: Available in “Green” Molding Compound
(No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1)
General Description
The AP1609 is a high efficient step-up DC/DC converter. Large
output current is possible having a built in internal N channel
MOSFET, and using an external coil and diode.
Output voltage is programmable with 1.23V of standard voltage
supply internal, and using externally connected components,
output voltage (FB) can be set up at will.
With a 300KHz switching frequency, the size of the external
components can be reduced. Control switches from PFM to PWM
during light loads with the AP1609 (PWM/PFM switchable) and
the series are highly efficient from light loads to large output
currents.
During stand-by time (CE pin “Low”), current consumption is
reduced to 1µA.
Applications
• Electronic Information Organizers
• Palmtops
• Cellular and Portable Phones
• Portable Audio Systems
• Various Multi-Function Power Supplies
Ordering Information
AP 1609 S X - 13
Package
S : SOP-8L
Lead Free
L : Lead Free
G : Green
Packing
13 : Tape & Reel
Device
AP1609SL-13
Lead-free
AP1609SG-13
Package
Code
S
S
Packaging
(Note 2)
SOP-8L
SOP-8L
13” Tape and Reel
Quantity
Part Number Suffix
2500/Tape & Reel
-13
2500/Tape & Reel
-13
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.
AP1609 Rev. 2
1 of 9
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated