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What is FP103?

This electronic component, produced by the manufacturer "Feeling Technology", performs the same function as "Dual Operational Amplifier and Reference Regulator".


FP103 Datasheet PDF - Feeling Technology

Part Number FP103
Description Dual Operational Amplifier and Reference Regulator
Manufacturers Feeling Technology 
Logo Feeling Technology Logo 


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FP103
Dual Operational Amplifier and Reference Regulator
General Description
The FP103 is a single chip composed of one independent OP-AMP (OPA2) and another
OP-AMP (OPA1) with a 2.5V precision voltage reference on non-inverting input. It offers space and low
cost in many applications such as the secondary feedback control of power supply, DC/DC converter
or adaptor.
The FP103 is designed for regulator feedback circuit with few external components. The circuit
diagram for typical application is shown as below.
Features
Fixed Reference Voltage: 2.5V
Reference Voltage Precision: 1%
Output Sink Current up to 100mA
Low Quiescent Supply Current
Wide Operating Voltage Range: 3~32V (+ / -16V)
Low Input Offset Voltage
Unit Gain Bandwidth: 0.9MHz
Package: SOP-8L
Typical Application Circuit
Va
Va
Va OPA1
OPA2
VIN
FB
VO
VREF
PWM Control Board
AC-DC Adaptor Secondary Feedback Circuits
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. 1.0
1/9

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FP103 equivalent
FP103
Recommended Operating Conditions
Parameter
Symbol
Conditions
Supply Voltage
VCC
Operating Temperature
DC Electrical Characteristics
Parameter
Symbol
Conditions
Operating Amplifier1
Input Offset Voltage
Input Offset Voltage Drift
Vio
DVio
TAMB=25
TMIN TAMB TMAX
TAMB=25
Input Bias Current (negative input)
Large Signal Voltage Gain
Supply Voltage Rejection Ratio
Output Current Source
Short Circuit to Ground
Output Current Sink
High Level Output Voltage
Iib
Avd
SVR
Isource
Io
Isink
VOH
TAMB=25
TMIN TAMB TMAX
VCC=15V
VICM =0V, RL=2K
VCC=5V to 30V
VICM=0V
VCC =15V
Vid=+1V, VO=2V
VCC=15V
VCC=15V
Vid=-1V, VO=2V
VCC =30V, RL=10K
TAMB=25
TMIN TAMB TMAX
Low Level Output Voltage
Slew Rate at Unity Gain
Gain Bandwidth Product
Total Harmonic Distortion
Operating Amplifier2
VOL
SR
GBP
THD
RL=10K, TAMB=25
TMIN TAMB TMAX
Vcc=15V, Vi=0.5 to 2V
RL=2K, CL=100pF
Unity Gain
VCC=30V, RL=2K
CL=100pF, f=100kHz,
Vin=10 mV
VCC=30V, RL=2K
CL=100pF, f=1kHz,
AV=20dB, VO=2VPP
Input Offset Voltage
Input Offset Voltage Drift
Vio
DVio
TAMB=25
TMIN TAMB TMAX.
TAMB=25
Input Offset Current
Iio
TAMB=25
TMIN TAMB TMAX
Input Bias Current
Large Signal Voltage Gain
Iib
TAMB=25
TMIN TAMB TMAX
VCC=15V, RL=2K,
Avd VO=1.4V to 11.4V
TMIN TAMB TMAX
Min.
3
-20
Typ.
Max.
30
85
Unit
V
°C
Min. Typ. Max. Unit
1
4
5
mV
7 μV / ℃
20 nA
100 V / mV
65 100
dB
30 50
mA
50 70 mA
8 10
mA
27 28
27
V
3
20
20
mV
0.2 0.4
V / μS
0.5 0.9
MHz
0.02 %
1
4
5
mV
7 mv / ℃
2
30
50
nA
20
150
200
nA
50 100
25
V / mV
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. 1.0
5/9


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