AP1609 Diodes, Inc., AP1609 Datasheet

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AP1609

Manufacturer Part Number
AP1609
Description
Pwm/pfm Dual Mode Step-up Dc/dc Converter
Manufacturer
Diodes, Inc.
Datasheet

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Features
Applications
Ordering Information
Note:
Note:
AP1609 Rev. 1
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
http://www.diodes.com/datasheets/ap02001.pdf.
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: I
Built-in internal N-Channel MOS
Lead-Free and Green Package: SOP-8L
Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
Electronic Information Organizers
Palmtops
Cellular and Portable Phones
Portable Audio Systems
Various Multi-Function Power Supplies
(Note 2)
AP1609S
Device
STB
Package
Code
1 = µA (Typ.)
S
Packaging Quantity Part Number
S : SOP-8L
Package
SOP-8L
PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER
AP1609 X X X
www.diodes.com
1 of 8
L : Lead-Free
G : Green
100
Lead-Free
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.
Tube
Suffix
-U
- U : Tube
-13 : Taping
Packing
2500/Tape & Reel
Quantity
13” Tape and Reel
©
AP1609
JANUARY 2007
Part Number
Diodes Incorporated
Suffix
-13

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AP1609 Summary of contents

Page 1

... AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER 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 ...

Page 2

... Pin Assignments Vcc AP1609 PGND SOP-8L Block Diagram FB Vref with CE CE AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER Pin Descriptions Pin GND 8 Name CE GND PGND LX LX GND Phase Compensation + + - - Ramp Wave PWM/PFM Controller www.diodes.com Pin ...

Page 3

... Maximum Switching Output Current Drain-Source On-State R Resistance Quiescent Current Shutdown Current Oscillator Frequency Maximum Duty Ratio MAXDTY PFM Duty Ratio PFMDTY CE “High” Voltage CE “Low” Voltage Efficiency AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER Symbol -0 -0 ...

Page 4

... Typical Application Circuit (1) Normal Circuit 2.5V~6V 100 100u 0.1u 3.3u (2) HV Circuit above 5.5V R 470u 0. AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER 10uH 330K FB CE 0.1u PGND GND R 1 × = 1.23 ( 10K~100K out 10uH 330K FB CE 3.3u 0.1u GND PGND R 1 × = 1.23 ( out ...

Page 5

... Vcc (V) Line Regulation 1 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0 3.5 4 Vcc (V) Load vs. Efficiency 100 Vcc = 3.3V,Vout = 0.2 0.4 0.6 Load (A) AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER 400 350 300 250 200 150 100 4.5 5 5.5 6 1.5 0.5 -0.5 -1.5 Load = 50mA 4.5 5 5.5 6 100 0.8 1 1.2 1 www ...

Page 6

... Temperature ( Temperature vs. Vout -50 -25 0 Temperature ( AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER ( Continued ) 200 180 160 140 120 100 Load = 300mA Vcc = 100 o C) Vcc = 5V Load = 100mA 100 ...

Page 7

... Marking Information (1) SOP-8L Logo Part no. Device AP1609S Package Information Package Type: SOP-8L 7°~9° 1.27typ 4.80/5.30 AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER ( Top View ) 8 5 AP1609 Package SOP-8L ( All Dimensions Detail "A" 0.35max. 45° 0.3/0.5 3.70/4. www.diodes.com ...

Page 8

... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AP1609 Rev. 1 PWM/PFM DUAL MODE STEP-UP DC/DC CONVERTER IMPORTANT NOTICE ...

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