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ANPEC

APW8805 Datasheet Preview

APW8805 Datasheet

3A 5V 1MHz Synchronous Buck Converter

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APW8805
3A 5V 1MHz Synchronous Buck Converter
Features
General Description
High Efficiency up to 95%
APW8805 is a 3A synchronous buck converter with inte-
Adjustable Output Voltage from 0.6V to VVIN
grated 75mhigh side and 55mlow side power
Integrated 75mHigh Side / 55mLow Side MOSFETs. The APW8805, design with a current-mode
MOSFETs
control scheme, can convert wide input voltage of 2.6V to
Low Dropout Operation: 100% Duty Cycle
Mode Selection
- APW8805 : PFM/PWM mode
Stable with Low ESR Ceramic Capacitors
Power-On-Reset Detection on VCC and VIN
6V to the output voltage adjustable from 0.6V to 6V to
provide excellent output voltage regulation.
The APW8805 is equipped with an automatic PFM/PWM
mode operation. At light load , the IC operates in the PFM
mode to reduce the switching losses. At heavy load, the
IC works in PWM mode. At PWM mode, the switching
Integrated Soft-Start and Soft-Stop
frequency is set by the external resistor.
Over-Temperature Protection
The APW8805 is also equipped with Power-on-reset, soft-
Over-Voltage Protection
start, soft-stop, and whole protections (under-voltage,
Under-Voltage Protection
High/ Low Side Current Limit
Power Good Indication
Enable/Shutdown Function
over-voltage, over-temperature and current-limit) into a
single package.
This device, available TDFN3x3-10, provides a very com-
pact system solution external components and PCB area.
Current-Mode Operation with Internal
Compensation
Small TDFN3x3-10 Packages
Lead Free and Green Devices Available
(RoHS Compliant)
Simplified Application Circuit
Applications
Notebook Computer & UMPC
LCD Monitor/TV
Set-Top Box
DSL, Switch HUB
Portable Instrument
VIN
ON
OFF
VIN SW
VCC
FB
APW8805
POK
GND
EN
(option)
VOUT
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Aug., 2013
1
www.anpec.com.tw




ANPEC

APW8805 Datasheet Preview

APW8805 Datasheet

3A 5V 1MHz Synchronous Buck Converter

No Preview Available !

APW8805
Ordering and Marking Information
APW8805
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
QB : TDFN3x3-10
Operating Ambient Temperature Range
I : -40 to 85 oC
Handling Code
TR : Tape & Reel
Assembly Material
G : Halogen and Lead Free Device
APW8805 QB :
APW
8805
XXXXX
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
Pin Configuration
APW8805
FB 1
VCC 2
VIN 3
GND 4
GND 5
11
GND
10 EN
9 POK
8 NC
7 SW
6 SW
TDFN 3X3-10
(Top View)
11
GND
Exposed pad
Absolute Maximum Ratings (Note 1)
Symbol
Parameter
Rating
Unit
VVIN, VVCC Input Supply Voltage
-0.3 ~ 6.5
V
VSW SW to GND Voltage
-1 ~VVCC+0.3
V
POK, FB, EN to GND Voltage
-0.3 ~ 6.5
V
PD Power Dissipation
Internally Limited
W
TJ Junction Temperature
150 oC
TSTG
Storage Temperature
-65 ~ 150
oC
TSDR Maximum Lead Soldering Temperature, 10 Seconds
260 oC
Note1: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recom-
mended operating conditions" is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Aug., 2013
2
www.anpec.com.tw


Part Number APW8805
Description 3A 5V 1MHz Synchronous Buck Converter
Maker ANPEC
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APW8805 Datasheet PDF





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