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TMI2244B

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浏览量:
1000
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):
5
HSFET Rds(on)(Ω):
40/23
LSFET Rds(on)(Ω):
64
Control Mode:
FPWM
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

  •  30kHz~500kHz Adjustable Frequency

  • ±6% CC Accuracy

  • Internal Compensation 

  • 32V Input OVP Protection

  • HICCUP Mode

  • Output OVP Protection

  • Efficiency up to 94%

  • 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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TMI2244B is a wide input voltage, high efficiency Active CC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. Switching frequency can be set by external resistor. Maximum 94% efficient be obtained at 3.4A and 5V output. Two current sensor pins ensure two channel CC control. TMI2244B 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 15:23:32
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