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TMI3255S

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产品编号
VIN Range (V):
4.5 to 18
IOUT (A):
5
Switching Frequency (Hz):
600k
VFB (V):
0.6
Iq (μA):
340
HSFET Rds(on) (Ω):
0.04
LSFET Rds(on) (Ω):
0.02
Control Mode:
COT
Functions:
PFM/PWM/ Fast Response
Package:
SOT23-6
Status:
MP
数量
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库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
39mΩ/20mΩ Low RDS(ON) internal FETs
High Efficiency Synchronous-Mode Operation
Wide Input Range: 4.5V to 18V
Feedback Voltage Accuracy 0.6V±1.5%
600kHz Switch Frequency Typical
Up to 5A 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 TMI3255S is a high efficiency, Constant onTime (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 5A current. TMI3255S 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 typical 600kHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage
step down applications.
 
The TMI3255S 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
Wireless and DSL Modems
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2022-11-23 14:15:11
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