PWM Controller. FP5101A Datasheet

FP5101A Controller. Datasheet pdf. Equivalent


Part FP5101A
Description 1 Channel Synchronous PWM Controller
Feature FP5101 / FP5101A 1 Channel Synchronous PWM Controller General Description The FP5101 / A is a DC-DC.
Manufacture Feeling Technology
Datasheet
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FP5101A
FP5101 / FP5101A
1 Channel Synchronous PWM Controller
General Description
The FP5101 / A is a DC-DC synchronous buck converter controller IC. It comprises high, low side
NMOS gate drivers, boot diode, internal soft start, and over current protection circuit. With +2V to +12V
VIN supply voltage, it is suitable for a wide range of applications.
Features
+12V Vcc Supply Voltage
Feedback Reference Voltage: 0.8V (±2%)
Fixed Frequency Oscillator: 300 / 600KHz
Peak Output Driving Capability: 500mA
Internal Soft Start Function
High-Gain Voltage Mode PWM Control
Over Current Protection by detecting Low-side MOS voltage drop
Package: SOP8 (EP)
Applications
Graphic Card
Telecom and Datacom Applications
High Power DC-DC Regulators
Typical Application Circuit
VCC +12V
VIN+2V TO +12V
PSC
VCC
COMP
BOOT
UGATE
FP5101 / A
FB SW
LGATE
GND
VOUT
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: http://www.feeling-tech.com.tw
Rev. 0.64
1/20



FP5101A
Function Block Diagram
FP5101 / FP5101A
Reference
0.8V
0.4V
+
-
UVLO
FB
COMP
5V
20µ A
0.8V
+
-
Emor Amp
- EN
+
VCC
Regulator
5V
Soft-Start
OCP / SCP
5V
30uA
0.4V
21.6K
PWM Compartor
+
-
Driver Logic
VCC
Oscillator
BOOT
UGATE
SW
LGATE
GND
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: http://www.feeling-tech.com.tw
Rev. 0.64
2/20







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