Buck Regulator. APW7334 Datasheet

APW7334 Regulator. Datasheet pdf. Equivalent

Part APW7334
Description Synchronous Buck Regulator
Feature APW7334 2A 24V 340kHz synchronous Buck Converter Features General Description • Wide Input Volta.
Manufacture ANPEC
Datasheet
Download APW7334 Datasheet



APW7334
APW7334
2A 24V 340kHz synchronous Buck Converter
Features
General Description
Wide Input Voltage from 4.5V to 24V
APW7334 is a 2A synchronous buck converter with inte-
2A Continuous Output Current
grated power MOSFETs. The APW7334 design with a cur-
Adjustable Output Voltage from 0.8V to 20V
rent-mode control scheme, can convert wide input volt-
Intergrated High/Low Side MOSFET
age of 4.5V to 24V to the output voltage adjustable from
PFM/PWM mode Operation
Fixed 340kHz Switching Frequency
0.8V to 20V to provide excellent output voltage regulation.
The APW7334 is equipped with an automatic PFM/PWM
mode operation. At light load, the IC operates in the PFM
Stable with Low ESR Ceramic Output Capacitors mode to reduce the switching losses. At heavy load, the
Power-On-Reset Detection
IC works in PWM.
Programmable Soft-Start
The APW7334 is also equipped with Power-on-reset, soft-
Over-Temperature Protection
start, soft-stop, and whole protections (under-voltage,
Current-Limit Protection with Frequency Foldback over-temperature, and current-limit) into a single package.
Enable/Shutdown Function
This device, available SOP-8 , provides a very compact
Small SOP-8 Package
system solution external components and PCB area.
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
Pin Configuration
LCD Monitor/TV
Set-Top Box
DSL, Switch HUB
Notebook Computer
Simplified Application Circuit
VIN
BS 1
VIN 2
LX 3
GND 4
APW7334
SOP-8
(Top View)
8 SS
7 EN
6 COMP
5 FB
APW7334
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 - Dec., 2012
1
www.anpec.com.tw



APW7334
APW7334
Ordering and Marking Information
APW7334
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
K : SOP-8
Temperature Range
I : -40 to 85 oC
Handling Code
TR : Tape & Reel
Assembly Material
G : Halogen and Lead Free Device
APW7334 K :
APW7334
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).
Absolute Maximum Ratings (Note 1)
Symbol
VIN
VLX
VBS
PD
TJ
TSTG
TSDR
Parameter
VIN Supply Voltage (VIN to GND)
LX to GND Voltage
EN, FB, COMP, SS to GND Voltage
BS to GND Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Maximum Lead Soldering Temperature, 10 Seconds
Rating
-0.3 ~ 30
-1 ~VIN+0.3
-0.3 ~ 6
VLX-0.3 ~ VLX+6
Internally Limited
150
-65 ~ 150
260
Unit
V
V
V
V
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
Thermal Characteristics
Symbol
θJA
θJC
Parameter
Junction-to-Ambient Resistance in Free Air (Note 2)
Junction-to-Case Resistance in Free Air
SOP-8
SOP-8
Typical Value
110
30
Note 2: θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Recommended Operating Conditions (Note 3)
Symbol
VIN
VOUT
IOUT
VIN Supply Voltage
Converter Output Voltage
Converter Output Current
Parameter
Range
4.5 ~ 24
0.8~20
0~2
Unit
oC/W
oC/W
Unit
V
V
A
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Dec., 2012
2
www.anpec.com.tw







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