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L4960 参数 Datasheet PDF下载

L4960图片预览
型号: L4960
PDF下载: 下载PDF文件 查看货源
内容描述: 2.5A电源开关稳压器 [2.5A POWER SWITCHING REGULATOR]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器电源开关PC局域网
文件页数/大小: 16 页 / 191 K
品牌: STMICROELECTRONICS [ STMICROELECTRONICS ]
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®
L4960
2.5A POWER SWITCHING REGULATOR
2.5A OUTPUT CURRENT
5.1V TO 40V OPUTPUT VOLTAGE RANGE
PRECISE (
±
2%) ON-CHIP REFERENCE
HIGH SWITCHING FREQUENCY
VERY HIGH EFFICIENCY (UP TO 90%)
VERY FEW EXTERNAL COMPONENTS
SOFT START
INTERNAL LIMITING CURRENT
THERMAL SHUTDOWN
HEPTAWATT
ORDERING NUMBERS:
L4960 (Vertical)
L4960H (Horizontal)
DESCRIPTION
The L4960 is a monolithic power switching regula-
tor delivering 2.5A at a voltage variable from 5V to
40V in step down configuration.
Features of the device include current limiting, soft
start, thermal protection and 0 to 100% duty cycle
for continuous operation mode.
The L4960 is mounted in a Heptawattplastic power
package and requires very few external compo-
nents.
Efficient operation at switching frequencies up to
150KHz allows a reduction in the size and cost of
external filter components.
BLOCK DIAGRAM
June 2000
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