Feeling FP5148
The FP5148 is a dual channel synchronous buck switching controller with adjustable over-current protection for DC-DC applications. The FP5148 includes two stage 180° out of phase for driving NMOS, power down under-voltage lockout circuit (UVLO) , the inverting input of amplifier connects to a 0.8V precision reference regulator , short circuit and over current shutdown protection circuit (SCP / OCP)and programmable soft start function.| Part No. | FP5148 |
|---|---|
| Datasheet | FP5148 Download |
| Manufacturer |  Feeling |
| Description | 2 CHANNEL SYNCHRONOUS PWM CONTROLLER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
● Wide Supply Voltage Operating Range: 4.2~15V● Precision Reference Voltage: 0.8V ±2%
● Peak Output Source / Drive Capability: 500mA
● Totem-pole Output for MOS Driving
● Programming Oscillation Frequency
● Programmable Soft Start Function (SS)
● OC/SC Protection Function (OCP / SCP)
● UVLO Protection Function
● Package: SOP-16L, SOP-16L (EP)
APPLICATIONS
● VGA Card● Battery Charger
● Hard Disk Drive
● Multi-Output Application This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product. Website: Rev. 0.9 1/13 FP5148 Function Block Diagram 3V Vcc Bias Generator 3V 0.2V 20 µ A 64 µ A Max SS 1.25V POR V CH1 4.0V HDRV1 POR 0.8V 25K 25K FB1 Vc 3.5V Error Amp 0. 2V V CC LDRV1 Comp S Q GND R V CH2 COMP1 RT 0.8V 25K 25K FB2 Two Phase Oscillator Error Amp Comp S Q HDRV2 R V CC COMP2 3V 3V LDRV2 GND SS SS OCSet1 OCSet2 0.2V 0.2V This datasheet contains new product information.
