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PDF BL8565 Data sheet ( Hoja de datos )
| Número de pieza | BL8565 | |
| Descripción | Low Dropout Voltage Linear Regulator | |
| Fabricantes | BELLING | |
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BL8565
REV1.0-Revised DEC 2007
500mA High PSRR, Low Dropout Voltage Linear Regulator
DESCRIPTION
BL8565 series is a group of positive voltage
output, low noise,low power consumption, low
dropout voltage regulator.
BL8565 can provide output value in the range
of 1.5V~4.5V every 0.1V step. It also can be
customized on command.
BL8565 includes high accuracy voltage
reference, error amplifier, current limit circuit
and output driver module with discharge
capability.
BL8565 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%.
BL8565 is available in SOT-89-3 packages
which is lead free.
FEATURES
• Low Power Consumption: 20uA（Typ.）
• Low output noise (47uVRMS)
• 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: 1.5V~4.5V
(customized on command every 0.1V
step)
• Highly Accurate: ±2%
• Output Current Limit
APPLICATIONS
• Power Management for Computer,Mother
Board, Graphic Card
• LCD Monitor and LCD TV
• DVD Decode Board
• Reference Voltage Source
• Regulation after Switching Power
TYPICAL APPLICATION
BL8565
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)
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BL8565
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
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5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet BL8565.PDF ] | |
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