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부품번호 | AX1120 기능 |
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기능 | Dual 600mA Low Dropout Regulators | ||
제조업체 | AXElite | ||
로고 | |||
전체 9 페이지수
AX1120
Dual 600mA Low Dropout Regulators
GENERAL DESCRIPTION
AX1120 is dual low dropout positive regulator with minimum of 600mA output current
capability. The product is specifically designed to provide well-regulated supply for low
voltage IC applications such as high-speed bus termination and low current logic supply.
AX1120 series are guaranteed to have <1.3V dropout at full load current making it ideal to
provide well regulated outputs dual channels with up to 12V input supply, but depend on
Power Dissipation Limitation for using. To prevent oscillation, it is recommended to use
minimum 1uF dielectric capacitors for Input/Output Capacitors, In general, the input
capacitor in the range of 1uF to 10uF sufficient. The AX1120 is available in the TO252-5L
and SOP-8L with exposed pad packages.
FEATURES
- Input voltage range :2.75V to 12V
- 1.3V maximum dropout at full load current
- Built-in thermal shutdown
- Output current limiting for each channel
- Dual output voltage:
VOUT1 is 3.3V/600mA
VOUT2 is1.8V/600mA
(Depend on layout thermal pad size and VIN voltage)
- Good noise rejection
- Fast transient response
- Low-ESR Ceramic Capacitor(MLCC) Required for Stability
- Available in the TO252-5L and SOP-8L with exposed pad packages
1/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.21, 2010
AX1120
ELECTRICAL CHARACTERISTICS TA=25°C (unless otherwise noted)
Characteristics Symbol
Conditions
Min Typ Max Units
Input Voltage
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
(VIN-VOUT)
Current Limit
Minimum Load
Current
VIN1/2
VOUT1
IOUT1 = 10mA, TJ = 25°C,
4.8V≦VIN1≦12V
VOUT2
IOUT=10mA,TJ = 25°C,
4.0V≦VIN≦12V
ΔVLINE1/2
IO=10mA,VOUT+1.5V<VIN<12V,
TJ=25°C (Note 1,2)
VIN=VOUT+1.5V,
ΔVLOAD1/2 10mA≦IOUT≦0.6A,TJ=25°C
(Note 1,2)
VDROP1/2 IOUT= 0.6A , VOUT=1%VOUT
ILIMIT1/2 (VIN1/2-VOUT1/2) = 3V
IOUT(Min)1/2 0 °C≦Tj≦125 °C (Note 3)
2.75 - 12 V
3.235 3.300 3.365 V
1.764 1.800 1.836 V
- - 0.3 %
- - 1%
- 1.1 1.3 V
0.8 1.1 - A
- 5 10 mA
Ripple Rejection
PSRR1/2
F=120Hz,COUT=10uF,
IOUT1/2= 0.6A
Temperature Stability
IOUT1/2= 10mA
Thermal Shutdown
Temperature
TST
60 70
- 0.5
- 150
-
-
-
dB
%
°C
Thermal Shutdown
Hysterisis
TSH
- 20 - °C
Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load
regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load
regulation is measured at the output lead = 1/18” from the package.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 2W. Power dissipation is
determined by the difference between input and output differential and the output current. Guaranteed
maximum power dissipation will not be available over the full input/output range.
Note 3: Quiescent current is defined as the minimum output current required in maintaining regulation. At 12V
input/output differential the device is guaranteed to regulate if the output current is greater than 10mA.
4/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.21, 2010
4페이지 AX1120
TYPICAL CHARACTERISTICS (CONTINUED)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
Dropout Voltage (Channel 1)
VOUT1=3.3V
TA=25℃
TA=125℃
100 200 300 400 500
Load (mA)
Load Transient (VOUT1)
600
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
Dropout Voltage (Channel 2)
VOUT1=1.8V
TA=25℃
TA=125℃
100 200 300 400 500
Load (mA)
Load Transient (VOUT1)
600
7/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.21, 2010
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부품번호 | 상세설명 및 기능 | 제조사 |
AX1120 | Dual 600mA Low Dropout Regulators | AXElite |
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