Document
Gleam
Power Management
GL2775
GL2775 Simple Switcher 2A Step-Down Voltage Regulator & Operational Amplifier
Description
Many chargers use the well-known device 2575 in conjunction with operational amplifiers. This allows introducing an additional adjustment for the Over-Current Protection (OCP) and Over Voltage Protection (OVP). In this case the OCP and OVP value can be changed with help external resistors. And it can be fixed old version have OCP latch problem. GL2775 includes both devices – the 2575 and two Ops, thereby reducing the size and cost for charger applications. The GL2775 provides all the active functions for a stepdown (buck) switching regulator and is capable of driving 2A load with excellent line and load regulation. It includes an internal frequency compensation components and a fixedfrequency oscillator. Among other features are a guaranteed ±2% tolerance on an output voltage within the specified input voltages and output load conditions, and ±10% on the oscilla.