BELLING BL8551

BL8555
Low noise 150mA LDO regulator
Features
General Description
Applications
BL8555 Typical Performance
Characteristics
BL8555 Typical Application Circuit
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-1Total 9 Pages
8/8/2006
BL8555
Selection Guide
Pin Assignment
BL8555 XX X X
:
Pin Description
SC-70-5
Pin Number
SOT-23-5A
Symbol
Function
SOT-23-5B
Product Classification
Output
Voltage
Package
Type
Product
Name
Package
Type
Product
Name
Package
Type
Product
Name
1.2V
1.5V
1.8V
2.1V
2.5V
2.8V
3.0V
3.2V
3.3V
3.5V
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
SOT-23-5A
BL8555-12PRA
BL8555-15PRA
BL8555-18PRA
BL8555-21PRA
BL8555-25PRA
BL8555-28PRA
BL8555-30PRA
BL8555-32PRA
BL8555-33PRA
BL8555-35PRA
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
SOT-23-5B
BL8555-12PRB
BL8555-15PRB
BL8555-18PRB
BL8555-21PRB
BL8555-25PRB
BL8555-28PRB
BL8555-30PRB
BL8555-32PRB
BL8555-33PRB
BL8555-35PRB
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
SC-70-5
BL8555-12PQ
BL8555-15PQ
BL8555-18PQ
BL8555-21PQ
BL8555-25PQ
BL8555-28PQ
BL8555-30PQ
BL8555-32PQ
BL8555-33PQ
BL8555-35PQ
5.0V
SOT-23-5A
BL8555-50PRA
SOT-23-5B
BL8555-50PRB
SC-70-5
BL8555-50PQ
http://www.belling.com.cn
-2Total 9 Pages
8/8/2006
BL8555
Product Marking information:
SC-70-5
SOT23-5A
SOT23-5B
Block Diagram
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-3Total 9 Pages
8/8/2006
BL8555
Absolute Maximum Ratings
Recommended Work Conditions
Item
Min
Recommended
Max
unit
Electrical Characteristics
BL8555, for arbitrary output voltage
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Vout
Vin Vout
Vout
Iout
Vout
T Vout
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-4Total 9 Pages
8/8/2006
BL8555
Electrical Characteristics by Output Voltage
Output Voltage
Vout (V)
Dropout Voltage, VDIF (V)
Condition
Typ. Max.
Typical Application Circuit
Application hints
Explanation
http://www.belling.com.cn
-5Total 9 Pages
8/8/2006
BL8555
Typical Performance Characteristics
1) Output Voltage vs. Output Current (with
output short protection)
2) Output Voltage vs. Input Voltage
3) Dropout Voltage vs. Output Current
4) Supply Current vs. Input Voltage
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-6Total 9 Pages
8/8/2006
BL8555
5) Ripple rejection vs. Frequency
6) Line transient response
Vin
Vout
7) Load transient response
Vout
Iout = 100mA
Iout = 50mA
http://www.belling.com.cn
-7Total 9 Pages
8/8/2006
BL8555
Package Information:
Type II
Type I
http://www.belling.com.cn
-8Total 9 Pages
8/8/2006
BL8555
http://www.belling.com.cn
-9Total 9 Pages
8/8/2006