参数资料
型号: AOZ1280CI
厂商: Alpha & Omega Semiconductor Inc
文件页数: 1/13页
文件大小: 0K
描述: IC REG BUCK ADJ 1.2A SOT23-6
标准包装: 1
系列: EZBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 26 V
输入电压: 3 V ~ 26 V
PWM 型: 电流模式
频率 - 开关: 1.5MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
包装: 标准包装
供应商设备封装: SOT-23-6
其它名称: 785-1277-6
AOZ1280
EZBuck? 1.2 A Simple Buck Regulator
General Description
The AOZ1280 is a high efficiency, simple to use, 1.2 A
buck regulator which is flexible enough to be optimized
for a variety of applications. The AOZ1280 operates from
a 3 V to 26 V input voltage range, and provides up to
1.2 A of continuous output current. The output voltage is
adjustable down to 0.8 V. The fixed 1.5 MHz PWM
switching frequency reduces inductor size.
The AOZ1280 comes in a SOT23-6L package and is
rated over a -40 °C to +85 °C operating ambient
temperature range.
Features
? 3 V to 26 V operating input voltage range
? 240 m ? internal NMOS
? High efficiency: up to 95 %
? Internal compensation
? 1.2 A continuous output current
? Fixed 1.5 MHz PWM operation
? Internal soft start
? Output voltage adjustable down to 0.8 V
? Cycle-by-cycle current limit
? Short-circuit protection
? Thermal shutdown
? Small size SOT23-6L
Applications
? Point of load DC/DC conversion
? Set top boxes
? DVD drives and HDD
? LCD Monitors & TVs
? Cable modems
? Telecom/Networking/Datacom equipment
Typical Application
VIN
C1
4.7μF
VIN
C3
L1 2.2μH
EN
AOZ1280
LX
R1
VOUT
C2
FB
GND
Figure 1. 1.2 A Buck Regulator
R2
10μF
Rev. 1.1 August 2011
www.aosmd.com
Page 1 of 13
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AOZ1282CI 制造商:Alpha & Omega Semiconductor 功能描述:IC REG BUCK ADJ 1.2A SOT23-6
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