AX3112

Solution

  • DVB/STB

  • LCD-TV

Description

AX3112 consists of step-down switching regulator with PWMcontrol. The deviceincludesa reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.

AX3112 provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit is able to the duty ratio linearly forms0 up to 100%.With the addition of an internal P-channel Power MOS, a coil, capacitors, and a diode connected externally, these ICs can function as step-down switching regulators. They serve as ideal power supply units for portable devices when coupled with the SOP-8L-EPpackage, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 40V, it is also suitable for the operation via an AC adapter.

Features

Package Type SOP8-EP
Input Voltage (Max) 40V
Output Current 3A
Output Voltage Adj(Vfb=1.1V)
Frequency 100KHz
Shutdown Current -
12 to 5V Efficiency(%) 91(2A)
12 to 3.3V Efficiency(%) -
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