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TMI3253TH

零售价
0.0
市场价
0.0
浏览量:
1000
产品编号
VIN Range (V):
4.5 to 18
IOUT (A):
3
Switching Frequency (Hz):
1M
VFB (V):
0.765
Iq(μA):
300
HSFET Rds(on) (Ω):
0.07
LSFET Rds(on) (Ω):
0.035
Control Mode:
COT
Functions:
PFM / High Frequency / Fast Response
Package:
SOT23-6
Status:
MP
数量
-
+
库存:
0
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FEATURES
参数
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 0.765V

. 1MHz Switch Frequency

. Up to 3.0A Output Current@1.2VOUT

. 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 TMI3253TH is a high efficiency 1MHz, Constant-on-Time (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 3.0A current with 1.2V output voltage. TMI3253TH 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 1MHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications.

The TMI3253TH 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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