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TMI3351

零售价
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市场价
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浏览量:
1000
产品编号
VIN Range(V):
4 to30
IOUT(A):
5
Switching Frequency(Hz):
100k to 1000k
VFB(V):
0.8
Iq(μA):
1000
HSFET Rds(on)(Ω):
0.013
LSFET Rds(on)(Ω):
0.013
Control Mode:
CM
Functions:
FCCM/PFM/PWM/AdjSS
Package:
QFN5x5-28
Status:
MP
数量
-
+
库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
Wide Input Voltage Range from 4V to 32V
Programmable VOUT Range from 0.8V to 30V
Peak Current Mode Control
Integrated Two low Rdson N-MOSFETs
Adjustable Cycle-by-Cycle Current Limit by ILIM
Adjustable Frequency: 100kHz~1MHz
External Soft-Start Limits the Input Inrush
Current
Selectable FCCM or DCM with Pulse Skipping
Cable Impedance Compensation
Low Dropout Operation with Maximum Duty
Cycle at 99.5%
Input Under-Voltage Lockout
Output OCP, SCP, OVP
Thermal Shutdown
QFN-28 Package, 5mm×5mm×0.75mm
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The TMI3351 is an integrates 2-switchs synchronous buck converter mainly for widely varying input step-down regulator applications. The control method is based upon current mode control that enables maximum performance under transient
conditions. The output voltage can be programmed by the FB pin. It operates as a Buck mode while the
input voltage is sufficiently greater than the regulated output voltage and transitions to the low dropout operation mode with maximum duty cycle at 99.5% as the input voltage very approaches the output voltage.
 
It also features an adjustable soft-start function and cable impedance compensation function and offers protection features including input UVLO, cycle-by-cycle current limit, over power protection (OPP), output short protection (SCP) or OVP and
thermal shutdown. In addition, it features selectable Forced Continuous Conduction Mode (FCCM) or Discontinuous Conduction Mode (DCM) operation for light load condition. The TMI3351 is available in compact QFN5x5-28
USB Power Delivery Supply
Car Charger
USB Dedicated Charging Port
Type-C Docks/Adapters
Computer Peripherals
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2022-12-01 09:39:41
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