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產(chǎn)品型號(hào)AOZ1269QI-02
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TheAOZ1269-02isahigh-efficiency,easy-to-useDC/DCsynchronousbuckregulatorthatoperatesupto28V
The AOZ1269-02 is a high-efficiency, easy-to-use DC/DC
synchronous buck regulator that operates up to 28V.
The device is capable of supplying 12A of continuous
output current with an output voltage adjustable down to
0.8V (±1.0%).
A proprietary constant on-time PWM control with input
feed-forward results in ultra-fast transient response while
maintaining relatively constant switching frequency over
the entire input voltage range. The switching frequency
can be externally programmed up to 1MHz.
The device features multiple protection functions such as
VCCunder-voltage lockout, cycle-by-cycle current limit,
output over-voltage protection, short-circuit protection, as
well as thermal shutdown.
The AOZ1269-02 is available in a 4mm x 4mm QFN-23L
package and is rated over a -40°C to +85°C ambient
temperature range
電壓 - 輸出：0.8 V ~ 23.8 V
電壓 - 輸入：2.7 V ~ 28 V
頻率 - 開關(guān)：200kHz ~ 1MHz
電流 - 輸出：12A
同步整流器：是
工作溫度：-40°C ~ 85°C
安裝類型：表面貼裝
封裝/外殼：23-VFQFN 裸露焊盤
供應(yīng)商器件封裝：23-QFN （4x4）
制造商零件編號(hào)：AOZ1269QI-02
制造商：Alpha & Omega Semiconductor Inc
描述：IC REG BUCK SYNC ADJ 12A QFN
系列：EZBuck?
類型：降壓（降壓）
輸出類型：可調(diào)式
輸出數(shù)：1
?Wide input voltage range
–2.7V to 28V
?12A continuous output current
?Output voltage adjustable down to 0.8V (±1.0%)
?Low RDS(ON)internal NFETs
–18m?high-side
–8m?low-side
?Constant On-Time with input feed-forward
?Programmable frequency up to 1MHz
?Selectable PFM light load operation
?Ceramic capacitor stable
?Adjustable soft start
?Power Good output
?Integrated bootstrap diode
?Cycle-by-cycle current limit
?Short-circuit protection
?Thermal shutdown
?Thermally enhanced 4mm x 4mm QFN-23L package
Applications
?Portable computers
?Compact desktop PCs
?Servers
?Graphics cards
?Set-top boxes
?LCD TVs
?Cable modems
?Point-of-load DC/DC converters
?Telecom/Networking/Datacom equipment
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