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ANPEC

APW8827 Datasheet Preview

APW8827 Datasheet

Synchronous Buck Converter

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APW8827
3A 5V 1MHz Synchronous Buck Converter
Features
General Description
High Efficiency up to 95%
  - Automatic Skip/PWM Mode Operation
Integrated 75mΩ High side 65mΩ Low Side MOS-
FET
Stable with Low ESR Ceramic Capacitors
Power-On-Reset Detection on VIN
Integrate Soft Start and Output Discharge
Over-Temperature Protection
Over Voltage Protection
Under Voltage Protection
High/ Low Side Current Limit
Power Good Indication
Enable/Shutdown Function
Small SOT-23-6 ,TDFN2x2-8 and VTDFN2x2-8
packages
Lead Free and Green Devices Available (RoHS
compliant)
APW8827 is a 3A synchronous buck converter with inte-
grated 75mhigh side and 65mlow side power MOS-
FETs. The APW8827 design with a current-mode control
scheme, can convert wide input voltage of 2.9V to 5.5V to
provide excellent output voltage regulation.
The APW8827 is equipped with an automatic Skip/PWM
mode operation. At light load, the IC operates in the Skip
mode to reduce the switching losses. At heavy load, the IC
works in PWM mode.
The APW8827 is also equipped with Power-on-reset, soft
start, Output Discharge, and whole protections (under-volt-
age, over-voltage, over-temperature and current-limit) into
a single package.
This device, available TDFN2x2-8, VTDFN2x2-8 and SOT-
23-6 provide a very compact system solution external
components and PCB area.
Pin Configuration
APW8827
Applications
Notebook Computer & UMPC
LCDMonitor/TV
Set-Top Box
DSL, Switch HUB
Portable Instrument
FB 1
8
POK 2 Exposed 7
Pad
VIN 3 (GND) 6
PGND 4
5
AGND
EN
LX
NC
TDFN2x2-8
(TOP VIEW)
APW8827
Simplified Application Circuit
VIN
CIN
R3
ON
OFF
VIN
LX
APW8827
NC
FB
POK
PGND
EN
AGND
L1
C1
(option)
VOUT
R1
COUT
R2
FB
POK
VIN
PGND
1
8
2 Exposed 7
Pad
3 (GND) 6
4
5
AGND
EN
LX
NC
VTDFN2x2-8
(TOP VIEW)
APW8827
EN 1
GND 2
LX 3
6 FB
5 POK
4 VIN
SOT23-6
(Top View)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise cus-
tomers to obtain the latest version of relevant information to verify before placing orders.
CopyrightANPEC Electronic Corp.
1
Rev. A.3 - Aug., 2019
www.anpec.com.tw




ANPEC

APW8827 Datasheet Preview

APW8827 Datasheet

Synchronous Buck Converter

No Preview Available !

APW8827
Ordering and Marking Information
APW8827
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
QB : TDFN-2x2-8 C: SOT23-6 QF : VTDFN2x2-8
Operating Ambient Temperature Range
I : -40 to 85oC
Handling Code
TR : Tape & Reel
Assembly Material
G: Halogen and Lead Free Device
APW8827 QB :
W27
X
X - Date Code
APW8827 C : W27X X - Date Code
APW8827 QF :
W27
X
X - 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).
Absolute Maximum Ratings (Note 1)
Symbol
Parameter
Rating
Unit
VIN
Input Supply Voltage to PGND
VLX
LX to GND Voltage
POK, FB, EN to PGND Voltage
-0.3 ~ 6.5
V
< 30ns pulse width
-3 ~ 8
V
> 30ns pulse width
-1 ~VIN+0.3
V
-0.3 ~ 6.5
V
AGND to PGND Voltage
-0.3 ~ 0.3
V
TJ
Junction Temperature
TSTG
Storage Temperature
TSDR
Maximum Lead Soldering Temperature(10 Seconds)
150
oC
-65 ~ 150
oC
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 "recommended
operating conditions" is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Thermal Characteristics
Symbol
qJA
Parameter
Junction-to-Ambient Resistance in free air (Note 2)
VTDFN2x2-8
TDFN2x2-8
SOT23-6
Typical Value
75
75
250
Note 2: θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Unit
oC/W
Recommended Operating Conditions (Note 3)
Symbol
Parameter
VIN
Control and Driver Supply Voltage
IOUT
Converter Output Current
TA
Ambient Temperature
TJ
Junction Temperature
Note 3: Refer to the typical application circuit.
Range
Unit
2.9 ~ 5.5
V
0~3
A
-40 ~ 85
oC
-40 ~ 125
oC
CopyrightANPEC Electronic Corp.
2
Rev. A.3 - Aug., 2019
www.anpec.com.tw



Part Number APW8827
Description Synchronous Buck Converter
Maker ANPEC
Total Page 3 Pages
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APW8827 Datasheet PDF





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