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PDF ( 数据手册 , 数据表 ) BL8554

零件编号 BL8554
描述 Linear Regulator
制造商 BELLING
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BL8554 数据手册, 描述, 功能
DESCRIPTION
BL8554 series is a group of positive voltage
output, low power consumption, low dropout
voltage regulator.
BL8554 can provide output value in the range
of 1.0V~4.5V every 0.1V step. It also can be
customized on command.
BL8554 includes high accuracy voltage
reference, error amplifier, current limit circuit
and output driver module
BL8554 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%.
BL8554 is available in SOT-23-5, SC-70-5
and SOT23-3 packages which is lead free.
BL8554
300mA High PSRR, Linear Regulator
FEATURES
Low Power Consumption: 25uATyp.
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 circuit
Output Voltage Range: 1.0V~4.5V
(customized on command every 0.1V
step)
Highly Accurate: ±2%
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
TYPICAL APPLICATION
Input
Cin
On/Off
VDD
VOUT
BL8554
CE
GND
Output
Cout
NOTE: Input capacitor (Cin=1uF) and Output
capacitor (Cout=3.3uF/4.7uF) are
recommended in all application circuit.
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)
ELECTRICAL CHARACTERISTICS
www.belling.com.cn
1







BL8554 pdf, 数据表
Package
SOT-23-3 Devices per reel
Package Dimension:
3000Pcs
BL8554
Unit mm
www.belling.com.cn
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