LTC1628IG-PG#PBF

The LTC1628IG-PG#PBF is a DC-to-DC controller integrated circuit (IC) which belongs to the family of linear voltage regulators and is packaged in a small-sized, surface-mountable form. It’s a power solution design so they are ideal for designers looking to build power management into their circuits without having to worry about needing to include extra devices such as power MOSFETs, inductors, and capacitors. The LTC1628IG-PG#PBF belongs to the “DC-DC Switching Controller” category, within the larger “Voltage Regulator” grouping, which is all under the “PMIC” (Power Management IC) family.

The LTC1628IG-PG#PBF has many applications where a step up/step down switching power supply is needed. It is versatile enough to be used in a variety of battery-based and AC powered systems, including various IoT devices, smartphones, laptops, and medical and industrial equipment just to name a few. Furthermore, the LTC1628IG-PG#PBF is programmable, which allows designers to control all aspects of the power supply including output, feedback, and ON/OFF threshold voltages.

The LTC1628IG-PG#PBF have an operating temperature range of -40 to 125 ℃ and is and is available in a 16-pin SOIC Wide and Flatpack (FP) package with a maximum output current of 8 A (peak). It also has low input supply requirements, and operates in the input voltage range of 2.3 to 5.5V, with programmable current limit and undervoltage lockout. It also offers good transient response and is able to regulate up to 36V outputs with 1.21V feedback voltage accuracy. The wide output voltage range of the LTC1628IG-PG#PBF is particularly beneficial, as it allows the device to be configured over a 0.6V - 30V to suit many applications.

In terms of how it works, the LTC1628IG-PG#PBF employs an on-time/off-time control to regulate the output voltage through switching MOSFETs. This on-time/off-time control makes for a stable output voltage with minimal need for external loop compensation. The device also has a wide frequency range from 10 kHz to 1 MHz, making it suitable for a variety of power supply applications.

Overall, the LTC1628IG-PG#PBF is a powerful yet cost-effective switched power supply controller that can open up solutions for a wide range of DC-DC power applications, with its accessible and efficient on-time/off-time regulation setup.