The document describes the features and characteristics of a product.
The document describes the CMPWR150, a low dropout regulator delivering up to 500mA at a fixed 3.3V output. It features automatic detection of input supply levels and drives an output logic signal to control an external switch for seamless power transitions between primary and auxiliary supplies.
Available in 8-pin SOIC Thermal or 5-pin TO-263 packages, the device includes built-in hysteresis during supply selection to prevent chatter. It is designed for applications such as PCI adapter cards, network interface cards, and systems with standby capabilities.
| Output Voltage | 3.135V to 3.465V (Typ 3.30V) |
|---|---|
| Output Current | Up to 500mA (Max 800mA) |
| Select Voltage Threshold | 4.35V to 4.45V |
| Deselect Voltage Threshold | 3.90V to 4.10V |
| Hysteresis Voltage | 250mV (Typ) |
| Operating Temperature Range | -40°C to +150°C (Storage), 0°C to +70°C (Ambient) |
| Package Types | 8-pin SOIC Thermal or 5-pin TO-263 |
The regulator delivers up to 500mA of load current at a fixed 3.3V output.
It automatically disables the regulator when input voltage falls below a threshold and enables an external PMOS switch to power the load from an auxiliary supply.
It is available in either an 8-pin SOIC Thermal or a 5-pin TO-263 package.