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Feeling Technology |
FP5001
PWM Controller With SCP / DTC Function
General Description
The FP5001 is a single chip pulse -width-modulation controlle r co mposed of an open colle ctor
transistor output, an error amplifier and duty control comparators (DTC). The FP5001 contains a 1.0V
precision voltage referen ce regulato r, unde r-voltage lockout ci rcuit (UVLO), sho rt circuit prote ction
circuit (SCP). It is applied to offer spa ce and lo w cost in many appli cations su ch as the DC / DC
converter and backlight inverter.
Using FP500 1, it is easy to complete a powe r conversion reg ulator de sign with few external
components. The circuit diagram of the typical application example is shown as below.
Features
Wide Operating Voltage Range: 3.6~40V
Reference Voltage Precision: 2%
Oscillator Frequency: 500KHz Max.
Output sink current up to 100mA
Low Quiescent Supply Current
Variable Dead-time Control (DTC)
UVLO Protection Function
SCP Protection Function
Package: SOP-8L
Applications
Grap hic Card
T elecom and Datacom Applications
High Power DC-DC Regulators
Typical Application Circuit
VIN
VOUT
VCC VO
RT
SCP
FP5001A
FB
DTC
GND COMP
This dat asheet contains n ew product information. Feeling Technology reserv es the right s to modi fy the produ ct sp ecification w ithout no tice.
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. 0.9
1/14
http://www.Datasheet4U.com
Function Block Diagram
VCC RT DTC
UVLO
1V Reference
Voltage
2.5V
1V
Idt
1.5V
SCP
COMP 1
Error
AMP
OSC
FB
PWM / DTC
COMP
COMP
SCP
SCP
COMP 2
FP5001
OUT
GND
Pin Descriptions
SOP-8L
Name
OUT
VCC
COMP
FB
SCP
DTC
RT
GND
No. I / O
Description
1 O Open Collector Transistor Output
2 P IC Power Supply
3 O Error Amplifier Output
4 I Error Amplifier Inverting Input
5 I Short Circuit Protection Input
6 I Duty Control Input
7 I Oscillator Frequency Control Input
8 P IC Ground
This dat asheet con tains new product information. Feeling Technology reserv es the r ights to modify the p roduct specification w ithout no tice.
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. 0.9
2/14
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