The FAN5234 is a PWM/PFM controller with dual mobile-friendly features produced by Fairchild Semiconductor Corporation. It has a wide input voltage range of 2V to 24V, excellent dynamic response, lossless current sensing, precise over-current detection, undervoltage lockout, power good signal, light-load hysteresis mode that maximizes efficiency, and 300KHz or 600KHz operation.
The FAN5234 is a PWM controller designed for high efficiency and regulation in mobile systems, such as notebook computers, PDAs, and internet appliances. It supports a wide input voltage range from 2V to 24V and offers adjustable output voltages from 0.9V to 5.5V. The device features synchronous rectification and hysteretic operation at light loads to maximize efficiency.
| Input Voltage Range | 2V to 24V |
|---|---|
| Output Voltage Range | 0.9V to 5.5V |
| Operating Temperature Range | -10 to +85°C |
| Package Type | TSSOP16 |
| Operating Frequency | 300KHz or 600KHz |
| Vcc Under-Voltage Lockout Threshold (Rising) | 4.30V |
| Internal Reference Voltage | 0.900V |
The device supports a wide input voltage range from 2V to 24V.
The controller provides an adjustable output from 0.9V to 5.5V.
The controller operates at 300KHz or 600KHz.