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TMI2244E

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产品编号
VIN Range(V):
8 to 30
IOUT(A):
3.4
Switching Frequency(Hz):
120k to 500k Adj.
VFB(V):
0.8
Iq(μA):
1
HSFET Rds(on)(Ω):
40/23
LSFET Rds(on)(Ω):
64
Control Mode:
PFM
Functions:
N+NMOS
Package:
SOP8
Status:
MP
数量
-
+
库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
  •  36V Input Voltage Surge

  •  Wide input voltage: 8V~30V

  •  Up to 4A Output Current

  •  PFM Mode in Light Load Condition

  •  130kHz~500kHz Adjustable Frequency

  •  .±6% CC Accuracy

  •  Internal Compensation 

  •  31.5V Input OVP Protection

  •  HICCUP Mode

  •  Output OVP Protection

  •  Efficiency up to 94% (@VIN=12V, VOUT=5V)

  •  0.2V~2V Output Line Drop Compensation

  •  2% Feedback Voltage Accuracy

  •  Integrated Soft Start

  •  Thermal Shutdown

  •  Secondary Cycle-by-Cycle Current Limit

  •  .EMI Consideration

  •  .SOP8 Package

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TMI2244E is a wide input voltage, high efficiency active CC/CV step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode with PFM mode in light load condition. Switching frequency can be set by external resistor. Maximum 94% efficiency be obtained at 3.4A and 5V output. Two current sensor pins ensure two channel CC control. TMI2244E internal Integrate 40mΩ high side and 23mΩ low side power MOSFET. Advanced production features include UVLO, Thermal Shutdown, Soft Start, OVP.

  • Car Charger/ Adaptor

  • Rechargeable Portable Devices

  • General-Purpose CC/CV Supply

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2020-09-14 15:25:19
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