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TMI3253

600kHz 18V 3A Synchronous COT Step-Down Converter
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1000
產品編號
VIN Range (V):
4.5 to 18
IOUT (A):
3
Switching Frequency (Hz):
600k
VFB (V):
0.8
Iq(μA):
300
HSFET Rds(on) (Ω):
0.07
LSFET Rds(on) (Ω):
0.035
Control Mode:
COT
Functions:
PFM / Fast Response
Package:
SOT23-6
Status:
MP
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0
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FEATURES
參數
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION

. 70mΩ/35mΩ Low RDS(ON) internal FETs

. High Efficiency Synchronous-Mode

 Operation

. Wide Input Range:4.5V to 18V

. Output Voltage from:0.8V(TMI3253)/ 0.6V(TMI3253S)/0.765V(TMI3253T)

. 600kHz Switch Frequency

. Up to 3A, 3.5A@1.2V Output Current

. COT control to achieve fast transient

 responses

. Power Save Mode at Light Load

. Integrated internal compensation

. Stable with Low ESR Ceramic Output           

 Capacitors

. Over Current Protection with Hiccup Mode

. Thermal Shutdown

. Inrush Current Limit and Soft Start

. Build in Input Over Voltage Protection

. Available in SOT23-6 Package

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The TMI3253/S/T is a high efficiency 600kHz, Constant on-Time (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 3A current. TMI3253/S/T integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 600kHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications.

The TMI3253/S/T requires a minimum number of readily available standard external components and is available in a 6-pin SOT23-6 ROHS compliant package.

. Digital Set Top Boxes

. Flat Panel Television and Monitors

. Notebook computer

. Wireless and DSL Modems

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2020-09-14 15:50:00
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国产精品无码AV在线播放-久久精品国产亚洲AV电影-午夜无码精品国产片