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PDF BL8591 Data sheet ( Hoja de datos )
| Número de pieza | BL8591 | |
| Descripción | Fast Response Linear Regulator | |
| Fabricantes | BELLING | |
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BL8591
100mA High PSRR, Fast Response Linear Regulator
DESCRIPTION
BL8591 series is a group of positive voltage
output, low power consumption, low dropout
voltage regulator.
BL8591 can provide output value in the range
of 1.2V~4.5V every 0.1V step. It also can be
customized on command.
BL8591 includes high accuracy voltage
reference, error amplifier, current limit circuit
and output driver module with discharge
capability.
BL8591 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%.
BL8591 is available in SOT23-3, SOT23-5,
SOT89-3, SOT89-5 and TO92 packages
which are lead free. It also can available in
these packages with lead.
TYPICAL APPLICATION
BL8591
NOTE: Input capacitor (Cin=1uF) and Output
capacitor (Cout=1uF/2.2uF) are
recommended in all application circuit.
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1
FEATURES
• Low Power Consumption: 75uA（Typ.）
• Low Output Noise (47uVRMS)
• Standby Mode: 0.1uA
• Low Dropout Voltage: 0.1V@100mA
(Typ.)
• High Ripple Rejection: 66dB@100Hz
(Typ.)
• Low Temperature Coefficient: ±
100ppm/°C
• Excellent Line Regulation: 0.05%/V
• Build-in Chip Enable and Discharge
Circuit
• Output Voltage Range: 1.2V~4.5V
(Customized on command every 0.1V
step)
• Highly Accurate: ±2% (±1% customized)
• Output Current Limit
APPLICATIONS
• 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
ELECTRICAL CHARACTERISTICS
BLL8C5194158CB5TR28 Output
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
0
100 200 300 400 500 600
Iload(mA)
1 page  
BL8591
TYPICAL PERFORMANCE CHARACTERISTICS
1) Output Voltage vs. Output Current (With Output 2) Output Voltage vs. Input Voltage
Short Protection)
3
2.5
2
1.5
1
0.5
0
0
Vin=3.3V
Vin=3.8V
Vin=4.8V
200 400 600 800 1000 1200
Iload(mA)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
Iload=0
Iload=28mA
2 46
Vin(V)
8 10
3) Dropout Voltage vs. Output Current
4) Ripple Rejection vs. Frequency
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
Vout=2.8V
Vout=1.8V
100 200 300 400 500 600
Iload(mA)
90
80
70
60
50
40
30
20
10
0
0.01
0.1 1
Freq(kHz)
10
100
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet BL8591.PDF ] | |
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