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ANPEC

APW8804 Datasheet Preview

APW8804 Datasheet

3A 5V 1MHz Synchronous Buck Converter

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APW8804
3A 5V 1MHz Synchronous Buck Converter
Features
General Description
High Efficiency up to 95%
APW8804 is a 3A synchronous buck converter with inte-
- Automatic PFM/PWM Mode Operation
grated 65mhigh side and 55mlow side power
Adjustable Output Voltage from 0.6V to V
PVDD
MOSFETs. The APW8804, design with a current-mode
Integrated 65mHigh Side / 55mLow Side control scheme, can convert wide input voltage of 2.6V to
MOSFETs
Low Dropout Operation: 100% Duty Cycle
Stable with Low ESR Ceramic Capacitors
Power-On-Reset Detection on VDD and PVDD
6V to the output voltage adjustable from 0.6V to 6V to
provide excellent output voltage regulation.
The APW8804 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
Integrated Soft-Start and Soft-Stop
IC works in PWM mode. At PWM mode, the switching
Over-Temperature Protection
frequency is set by the external resistor.
Over-Voltage Protection
The APW8804 is also equipped with Power-on-reset, soft-
Under-Voltage Protection
High/ Low Side Current Limit
Power Good Indication
Enable/Shutdown Function
Small TDFN3x3-10 and SOP-8P Packages
Lead Free and Green Devices Available
start, soft-stop, and whole protections (under-voltage,
over-voltage, over-temperature and current-limit) into a
single package.
This device, available TDFN3x3-10 and SOP-8P, provides
a very compact system solution external components and
PCB area.
(RoHS Compliant)
Simplified Application Circuit
Applications
Notebook Computer & UMPC
LCD Monitor/TV
Set-Top Box
DSL, Switch HUBr
Portable Instrument
VIN
ON
OFF
PVDD
LX
VDD FB
APW8804
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.4 - Dec., 2012
1
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/




ANPEC

APW8804 Datasheet Preview

APW8804 Datasheet

3A 5V 1MHz Synchronous Buck Converter

No Preview Available !

APW8804
Ordering and Marking Information
APW8804
APW8804 KA :
APW8804
XXXXX
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
KA : SOP-8P 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
XXXXX - Date Code
APW8804 QB :
APW
8804
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
NC 1
LX 2
LX 3
POK 4
EN 5
APW8804
11
GND
10 PVDD
9 PVDD
8 VDD
7 NC
6 FB
TDFN 3X3-10
(Top View)
11
GND
Exposed pad
LX 1
LX 2
POK 3
EN 4
APW8804
9
GND
8 PVDD
7 VDD
6 GND
5 FB
SOP-8P
(Top View)
9
GND
Exposed pad
The pin 6 must
be
connected
to
the
pin
9
(exposed
pad)
Absolute Maximum Ratings (Note 1)
Symbol
Parameter
Rating
Unit
VPVDD, VVDD Input Supply Voltage
VLX LX to GND Voltage
POK, FB, EN to GND Voltage
<30ns pulse width
>30ns pulse width
-0.3 ~ 6.5
-3 ~VPVDD+3
-1 ~VPVDD+0.3
-0.3 ~ 6.5
V
V
V
V
PD Power Dissipation
TJ Junction Temperature
TSTG
Storage Temperature
TSDR Maximum Lead Soldering Temperature, 10 Seconds
2
150
-65 ~ 150
260
W
oC
oC
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.4 - Dec., 2012
2
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/


Part Number APW8804
Description 3A 5V 1MHz Synchronous Buck Converter
Maker ANPEC
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APW8804 Datasheet PDF





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