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PDF LC1463 Data sheet ( Hoja de datos )
| Número de pieza | LC1463 | |
| Descripción | Fast Response Linear Regulator | |
| Fabricantes | Cnzls | |
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LC1463
300mA High PSRR, Fast Response Linear Regulator
DESCRIPTION
LC1463 series is a group of positive voltage
output, low power consumption, low dropout
voltage regulator.
LC1463 can provide output value in the range
of 1.0V~4.5V every 0.1V step. It also can be
customized on command.
LC1463 includes high accuracy voltage
reference, error amplifier, current limit circuit
and output driver module with discharge
capability.
LC1463 has excellent load and line transient
response and good temperature
characteristics, which can assure the stability
of chip and power system. And it uses
trimming technique to guarantee output
voltage accuracy within ±2%.
FEATURES
• Low Power Consumption: 25uA（Typ.）
• Low output noise (47uVRMS)
• Standby Mode: 0.1uA
• Low dropout Voltage: 0.16V@300mA
(Typ.)
• High Ripple Rejection: 73dB@100Hz
(Typ.)
• Low Temperature Coefficient: ±
100ppm/°C
• Excellent Line regulation: 0.05%/V
• Build-in chip enable and discharge circuit
• Output Voltage Range: 1.0V~4.5V
(customized on command every 0.1V
step)
• Highly Accurate: ±2%
• Output Current Limit
APPLICATIONS
LC1463 is available in SOT-23-5, SC-70-5
and SOT23-3 packages which is lead free.
• Power source for cellular phones and
various kind of PCSs
• Battery Powered equipment
• Power Management of MP3, PDA, DSC,
Mouse, PS2 Games
• Reference Voltage Source
• Regulation after Switching Power
TYPICAL APPLICATION
Input
VDD
VOUT
Cin
CE
GND
On/Off
Output
Cout
NOTE: Input capacitor (Cin=1uF) and Output
capacitor (Cout=3.3uF/4.7uF) are
recommended in all application circuit.
ELECTRICAL CHARACTERISTICS
Load Regulation
(VIN=4.5V)
3.35
3.3
3.25
3.2
3.15
3.1
3.05
3
0
50 100 150 200 250 300 350
Iout(mA)
www.cnzls.com
1 TEL: 0755-82948776
Free Datasheet http://www.0PDF.com
1 page  
LC1463
TYPICAL PERFORMANCE CHARACTERISTICS
1) Output Voltage vs. Output Current (with output 2) Output Voltage vs. Input Voltage
short protection)
3.5
3
2.5
2
1.5
1
0.5
0
0
Current limit Vs. Vout
500 1000
Iload(mA)
1500
Line Regulation
3.313
3.3125
3.312
3.3115
3.311
3.3105
3 3.5 4 4.5 5 5.5 6
VIN(V)
Iout=14(mA)
3) Dropout Voltage vs. Output Current
Dropout & Iout
180
160
140
120
100
80
60
40
20
0
0
Vout=3.3V
50 100 150 200 250 300 350
Iout(mA)
4) Ripple rejection vs. Frequency
PSRR
80
70
60
50
40
30
20
10
0
0.01
Vout=3.3V
0.1 1 10
Freq(KHz)
100 1000
www.cnzls.com
5 TEL: 0755-82948776
Free Datasheet http://www.0PDF.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LC1463.PDF ] | |
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