LT1618EMS#TRPBF

The LT1618EMS#TRPBF is a power management integrated circuit (PMIC) designed for a variety of voltage regulator, DC-DC switching regulator, and active filter applications. It combines the features of a power operation amplifier, PWM driver, charge pump amplifier, low dropout (LDO) regulator, and low current trickle charger. The LT1618EMS#TRPBF device is available in a tiny 0.5 mm × 0.6 mm WLP-16 package.

The LT1618EMS#TRPBF DC/DC switching regulator can be used in a wide range of applications, including: personal computers, laptops, cell phones, tablets, and consumer electronic devices. The device is capable of providing a wide range of output voltages (from 0.5 V up to 40 V) and handling current levels up to 2 A. The LT1618EMS#TRPBF offers excellent transient response and can provide constant current over a wide range of input and output conditions.

The LT1618EMS#TRPBF has an internal (non-adjustable) PWM switching frequency of 400 kHz and can automatically adjust its operating frequency to optimize power transfer efficiency. It also offers a built-in overvoltage protection and thermal shutdown protection, both of which can be engaged overly high input or output voltages, respectively. Additionally, the LT1618EMS#TRPBF includes a power saving mode to reduce power consumption below 500 µA.

The LT1618EMS#TRPBF accurately regulates output voltage with a ±1% reference accuracy and line regulation of 0.02%. It also features a general purpose PowerGood signal, indicating when the output voltage has been regulated within ±1%.

The LT1618EMS#TRPBF includes a unique current-mode control circuit that provides accurate regulation over a wide range of line and load variations. This control circuit employs an error amplifier, the heart of the control loop driving the external MOSFET switches with a variable duty cycle.

The LT1618EMS#TRPBF utilizes a variety of protection features, including an input overvoltage protection circuit, a low-side overcurrent protection circuit, and a thermal shutdown circuit. These features are designed to protect the device from input and output overvoltage, as well as excessive heat. Additionally, the LT1618EMS#TRPBF includes an internal protection circuit that monitors the chip temperature and disables the device if an abnormal temperature is detected.

In summary, the LT1618EMS#TRPBF is a versatile power management IC that can be used for a variety of voltage regulator, DC-DC switching regulator, and active filter applications. It is designed for use in personal computers, laptops, cell phones, tablets, and other consumer electronic devices. The device offers excellent transient response, adjustable frequency and PowerGood signal, an internal protection circuit, and accurate regulation over a wide range of input and output conditions.