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TMI2243B

零售价
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浏览量:
1000
产品编号
VIN Range(V):
4.5 to 30
IOUT(A):
3.4
Switching Frequency(Hz):
120k
VFB(V):
Fixed 5V Output
Iq(μA):
1
HSFET Rds(on)(Ω):
75/40
LSFET Rds(on)(Ω):
NA
Control Mode:
PFM
Functions:
P+NMOS/Fixed 5V Output
Package:
SOP8
Status:
MP
数量
-
+
库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
  •  P-MOS+N-MOS Switch Structure 

  •  Wide Input Voltage: 4.5V to 30V

  •  High Efficiency up to 92%@12V to 5V/3.4A

  •  Up to 3.7A Output Current Limit at 5V Output

  •  PFM mode in Light Load Condition

  •  Internal Compensation

  •  Output Line Drop Compensation

  •  Hiccup Output Short Current Protection

  •  ±2% Output Voltage Accuracy

  •  Integrated Soft Start

  • Thermal Shutdown

  •  Duty Cycle up to 100% 

  • Frequency Jitter for EMI Consideration

  • Low BOM Cost

  • SOP8 Package

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TMI2243B is a wide input voltage, fixed 5V output voltage, high efficiency active CC step-down DC/DC converter that operates in either CV (Constant 5V Output Voltage) mode or CC (Constant Output Current) mode. TMI2243B provides up to typical 3.7A output current limit at 5V output. Maximum 100% duty cycle could be obtained. TMI2243B internal integrate 75mΩ high side and 40mΩ low side power MOSFET.

Advanced production features include UVLO, Thermal Shutdown, Soft Start and input OVP.

 

  • Car Charger/ Adaptor

  • Rechargeable Portable Devices

  • General-Purpose CC/CV Power Suppliers

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2020-09-14 15:22:07
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