參數(shù)資料
型號: AOZ1015-EVA
廠商: ALPHA
英文描述: EZBuck⑩ 1.5A Simple Buck Regulator Evaluation Board Note
中文描述: EZBuck⑩1.5A的簡單的降壓穩(wěn)壓器評估板說明
文件頁數(shù): 1/4頁
文件大?。?/td> 207K
代理商: AOZ1015-EVA
Rev. 1.0 October 2007
www.aosmd.com
Page 1 of 4
AOZ1015-EVA
EZBuck 1.5A Simple Buck Regulator
Evaluation Board Note
General Description
The AOZ1015 evaluation board is a fully assembled and
tested circuit board built with the AOZ1015 buck regulator
IC. It outputs a preset or adjustable voltage at 3.3V and
up to 1.5A of continuous current. The evaluation board
requires an input voltage from 4.5V to 16V. The output
voltage is preset and can be adjusted from 0.8V to
V
IN
–0.4V.
The AOZ1015-EVA circuit features include: current limit,
short circuit protection, input under voltage lock out,
internal soft start and thermal shut down. It operates at
a fixed 500kHz switching frequency. The integrated
internal MOSFET minimize component count, board area
and total cost.
The AOZ1015-EVA demonstrates the simple buck con-
verter design. Only one resistor value change is required
for different output voltages while inductor, capacitor and
compensation resistor values are unchanged. The
AOZ1015-EVA also supports the simple-layer board
design with all ceramics output capacitor.
Features
4.5V to 16V operating input voltage range
Output voltage is preset to 3.3V and adjustable down
to 0.8V
1.5A continuous output current
Fixed 500kHz PWM operation
Internal soft start
Cycle-by-cycle current limit
Short-circuit protection
Thermal shutdown
Enables single layer board with all ceramic output
capacitors design
Applications
Point of load DC/DC conversion
PCIe graphics cards
Set top boxes
DVD drives and HDD
LCD panels
Cable modems
Telecom/networking/datacom equipment
Evaluation Board Schematic
Figure 1.
LX
VIN
VIN
VOUT
FB
PGND
EN
COMP
AGND
C2, C3
22μF Ceramic
R1
R2
10k
C
C
R
C
C6
C4
C1
22μF Ceramic
C5
L1
4.7μH
AOZ1015
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