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Teilenummer | FP103 |
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Beschreibung | Dual Operational Amplifier and Reference Regulator | |
Hersteller | Feeling Technology | |
Logo | ||
Gesamt 9 Seiten 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
FP103
Parameter
Symbol
Conditions
Supply Voltage Rejection Ratio
Input Common Mode Voltage
Range
SVR
Vicm
VCC=5V to 30V
VCC=30V, TAMB=25℃
TMIN ≤ TAMB ≤ TMAX
Common Mode Rejection Ratio
Output Current Source
Short Circuit to Ground
Output Current Sink
High Level Output Voltage
Low Level Output Voltage
Slew Rate at Unity Gain
Gain Bandwidth Product
Total Harmonic Distortion
Voltage Reference
CMRR
ISOURCE
Io
ISINK
VOH
VOL
SR
GBP
THD
TAMB=25℃
TMIN ≤ TAMB ≤ TMAX
VCC=+15V,
VO =2V, Vid=+1V
VCC=+15V,
VID=-1V,
VCC=+15V, VO =2V
VCC=30V
TAMB=25℃, RL=10K
TMIN ≤ TAMB ≤ TMAX
RL=10K
TMIN ≤ TAMB ≤ TMAX
VCC=15V, Vi=0.5 to 3V,
RL=2K, CL=100pF,
Unity Gain
VCC=30V, RL=2K
CL=100pF, f=100kHz,
Vin=10mV
VCC=30V, RL=2K,
CL=100pF, f=1kHz
AV=20dB, VO =2VPP
Cathode Current
Reference Input Voltage
Reference Input Voltage Deviation
Over Temperature Range
Minimum Cathode Current for
Regulation
Dynamic Impedance (note 1)
Ik
VREF
ΔVREF
TAMB=25℃
TMIN ≤ TAMB ≤ TMAX.
VKA=VREF, IK=10mA
TMIN ≤ TAMB ≤ TMAX
IMIN
| ZKA |
VKA=VREF
VKA=VREF, ΔIK=1 to100mA,
f<1KHz
Total Supply Current
Total Supply Current, Excluding
Current in the Voltage Reference
VCC=5V, no load
ICC
TMIN<TAMB<TMAZ
VCC=30V, no load
TMIN<TAMB<TMAX
Min.
65
0
0
70
60
30
7
27
27
0.2
0.5
1
2.475
2.450
Note 1: The dynamic impedance is defined as ZKA=ΔVKA/ΔIK
Typ.
100
85
Max.
VCC -1.5
VCC -2
Unit
dB
V
dB
50 mA
50 70 mA
10 mA
28 V
3
20
20
mV
0.4 V / μS
0.9 MHz
0.02 %
100 mA
2.5 2.525
2.550
V
7 30 mV
0.2 1 mA
0.2 0.5
Ω
0.7
0.7
1.2
2
mA
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
6/9
6 Page | ||
Seiten | Gesamt 9 Seiten | |
PDF Download | [ FP103 Schematic.PDF ] |
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