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PDF FP6181g-G1 Data sheet ( Hoja de datos )

Número de pieza FP6181g-G1
Descripción 380KHz Step-Down Converter
Fabricantes Feeling Technology 
Logotipo Feeling Technology Logotipo



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No Preview Available ! FP6181g-G1 Hoja de datos, Descripción, Manual

2A, 23V, 380KHz Step-Down Converter
FP6181
General Description
The FP6181 is a buck regulator with a built in internal power MOSFET. It achieves 2A continuous
output current over a wide input supply range with excellent load and line regulation. Current mode
operation provides fast transient response and eases loop stabilization. The device includes
cycle-by-cycle current limiting and thermal shutdown protection. Adjustable soft-start reduced the
stress on the input source at power-on. The regulator only consumes 23µA supply current in shutdown
mode. The FP6181 requires a minimum number of readily available external components to complete
a 2A buck regulator solution.
Features
2A Output Current
Adjustable Soft-Start
0.18Ω Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic Capacitors
Up to 95% Efficiency
23μA Shutdown Mode Current
Fixed 380KHz frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.75 to 23V operating Input Range
Output Adjustable From 0.92 to 16V
Available MSOP10 With Exposed PAD
Under Voltage Lockout.
Applications
Distributed Power Systems
Battery Charger
Pre-Regulator for Linear Regulators
DSL Modems
Typical Application Circuit
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. 0.61
1/14

1 page




FP6181g-G1 pdf
FP6181
Recommended Operating Conditions
Parameter
Symbol
Conditions
Supply Voltage
VIN
Operating Temperature
Min.
4.75
-40
Typ.
Max.
23
+85
Unit
V
°C
DC Electrical Characteristics (TA= 25°C, VIN=3.6V, unless otherwise noted)
Parameter
Symbol
Conditions
Min. Typ. Max.
Standby Current
Shutdown Supply Current
IST VEN3V,VFB>1V
IST VEN=0
0.6
23 36
Feedback Voltage
Current Sense Tran conductance
Output Current to Comp Pin
Voltage
Error Amplifier Voltage Gain
Error Amplifier Tran conductance
VFB VIN=12V,VCOMP<2V
TCS
GEA
TEA IC=±10µA
0.892
0.920
2.1
400
830
0.948
High Side Switch ON Resistance RON-HS
0.18
Low Side Switch ON Resistance
High Side Switch Leakage
Current
Current Limit
Oscillation Frequency
Short Circuit Oscillation
Frequency
Maximum Duty Cycle
RON-LS
IIL VEN=0,VSW=0V
ICL
fOSC
fSC VFB=0V
DMAX VFB=0.8V
10
0.1 10
2.8 3.4
380
240
90
Minimum On Time
Under Voltage Lockout Threshold
Under Voltage Lockout Threshold
Hysteresis
EN Threshold Voltage
Enable Pull Up Current
Soft-Start Pin Equivalent Output
Resistance
Thermal Shutdown
Thermal Shutdown Reset
Hysteresis
tON VFB=1.5V
VUVLO VEN Rising
VHYS
VEN ICC100μA
IEN VEN=0V
RSS
TTS
THYS
100
2.37 2.50 2.62
210
0.7 1.0 1.3
1.0
9
150
40
Unit
mA
µA
V
A/V
V/V
µA / V
Ω
Ω
µA
A
KHz
KHz
%
ns
V
mV
V
µA
kΩ
°C
°C
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. 0.61
5/14

5 Page





FP6181g-G1 arduino
FP6181
Suggested Layout
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. 0.61
11/14

11 Page







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