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TMI5102

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浏览量:
1000
产品编号
Vin Range (V):
2.5 to 5.5
Iout (A):
2
Switching Frequency (Hz):
1.5M
VFB (mV):
100
Iq (μA):
50
HSFET Rds(on) (Ω):
0.15
LSFET Rds(on) (Ω):
0.07
Control Mode:
CM
Functions:
PFM
Package:
SOT23-5
Status:
ES
数量
-
+
库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION
  • 1.3MHz Constant Frequency Operation

  • Up to 2.0A LED Current

  • No Schottky Diode Required

  • 2.5V to 5.5V Input Voltage Range

  • Feedback Voltage as Low as 0.1V

  • 100% Duty Cycle in Dropout

  • Low Quiescent Current: 50µA

  • Short Circuit Protection

  • Thermal Fault Protection

  • Input over voltage protection (OVP)

  • <1µA Shutdown Current

  • SOT23-5 Package

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The TMI5102 is a constant frequency, current mode PWM step-down LED driver with 2A output current and 1.3MHz switch frequency. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the LED current. The feedback voltage is 0.1V typically. The device also integrates many protection features included input OVP, cycle-by-cycle current limit, over temperature protection.

  • LED Drivers

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2020-09-14 16:14:40
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