BL1084 PDF даташит
Спецификация BL1084 изготовлена «BELLING» и имеет функцию, называемую «5A Bipolar Linear Regulator». |
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Детали детали
Номер произв | BL1084 |
Описание | 5A Bipolar Linear Regulator |
Производители | BELLING |
логотип |
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BL1084
DESCRIPTION
BL1084 is a series of low dropout three
terminal regulators with a typical dropout
voltage of 1.4V at 5A load current.
Other than fixed voltage versions (1.8V, 2.5V,
3.3V, 5.0V), BL1084 has an adjustable
voltage version, with which desired voltage
can be achieved by setting the values of two
external resistors of the application circuitry.
BL1084 offers thermal shut down and current
limit functions to assure the stability of chip
and power system.
BL1084 series is available in standard
packages of TO-263-2L, TO-263-3L, TO-220
and TO-252.
5A Bipolar Linear Regulator
FEATURES
Fixed and adjustable versions.
Maximum output current : 5A
Maximum input voltage: 15V
Line regulation: 0.2% (Typical)
Load regulation: 0.2% (Typical)
On-Chip Thermal Shutdown
Operation environment Temperature: -10℃
~ 85℃
APPLICATIONS
Power Management for Computer Mother
Board, Graphic Card
Battery Charger
Post Regulators for Switching Supplies
Microprocessor Supply
TYPICAL APPLICATION
BL1084
Fig 1. BL1084 fixed version Application circuit
NOTE: Input capacitor (Cin=10uF) and Output
capacitor (Cout=22uF) are recommended in all
application circuit. Tantalum capacitor is
preferred.
ELECTRICAL CHARACTERISTICS
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.5 1.5 2.5 3.5 4.5
Iout(A)
Fig 2. Dropout Voltage VS. Output Current
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BL1084
ORDERING INFORMATION
BL1084 □1 □2 □3
Code
□1
□2
□3
Description
Output voltage:
e.g. 18=1.8V
33=3.3V
Default=Adjustable Version
Temperature&Rohs:
C: -40~85C ,Pb Free Rohs Std.
Package type:
Y:TO-252
S:TO-263-2L
S1:TO-263-3L
Z:TO-220-3L
ABSOLUTE MAXIMUM RATING
Parameter
Value
Max Input Voltage
15V
Operating Junction
Temperature(Tj)
150C
Ambient Temperature(Ta)
-40C –85C
Package
Thermal
Resistance
TO-252
TO-263
TO-220
6℃ / W
3℃ / W
3℃ / W
Storage Temperature(Ts)
Lead Temperature & Time
-40C -150C
260C,10S
Note:
Exceed these limits to damage to the device. Exposure
to absolute maximum rating conditions may affect
device reliability.
RECOMMENDED WORK CONDITIONS
Parameter
Value
Input Voltage Range
Max.15V
Operating Junction
-10C –125C
Temperature(Tj)
PIN CONFIGURATION
Pin Description:
Fixed Version
Pin No. Symbol Definition
1 GND Ground
2 Vout Output
3 Vin Input
Adjustable Version
Pin No. Symbol Definition
1 Adj. Adjustable
2 Vout Output
3 Vin Input
Marking information:
A:Means assembly year and weeks
Year 2010 2011 2012 2013 …
Y 0 1 2 3…
Week 1 2 … 26 27 … 52
W AB … Z
…
B:Means Manufacture LOT No.
C:Means Output Voltage Value
D:Means Temp. Range&Rohs Std
53
A
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ELECTRICAL CHARACTERISTICS
Symbol
Vref
Parameter
Reference
Voltage
Vout
Output Voltage
Conditions
10mA≤Iout≤5A ,1.5V≤Vin-Vout≤5V
BL1084-1.80V
Iout=0mA,Vin=4.8V,Tj=25℃
10mA≤Iout≤5A ,3.4V≤Vin≤7V
BL1084-2.50V
Iout=0mA,Vin=5.5V,Tj=25℃
10mA≤Iout≤5A ,4.1V≤Vin≤7V
BL1084-3.3V
Iout=0mA,Vin=6.3V,Tj=25℃
10mA ≤Iout≤5A ,4.9V≤Vin≤8V
BL1084-5.0V
Iout=0mA,Vin=8.0V,Tj=25℃
10mA ≤Iout≤5A ,6.6V≤Vin≤10V
BL1084-ADJ
Iout=10mA, 2.85V≤Vin≤10V
BL1084-1.8V
Iout=10mA, 3.4V≤Vin≤10V
ΔVout
Line Regulation
(note 1)
BL1084-2.5V
Iout=10mA, 4.1V≤Vin≤10V
BL1084-3.3V
Iout=10mA, 4.9V≤Vin≤10V
BL1084-5.0V
Iout=10mA, 6.6V≤Vin≤10V
BL1084-ADJ (ADJ connected to ground)
Vin-Vout=1.6V, 10mA≤Iout≤5A
ΔVout
Load Regulation
(note 1,2)
BL1084-1.8V
Vin-Vout=1.6V, 0≤Iout≤5A
BL1084-2.5V
Vin-Vout=1.6V, 0≤Iout≤5A
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BL1084-3.3V
Vin-Vout=1.6V, 0≤Iout≤5A
BL1084-5.0V
Vin-Vout=1.6V, 0≤Iout≤5A
3
BL1084
Tj=25℃
Min Typ Max Unit
1.225 1.25 1.275
V
1.773 1.80 1.827
1.764 1.80 1.836
V
2.462 2.50 2.537
2.45 2.50 2.55
V
3.25 3.3 3.350
3.234 3.3 3.366
V
4.925 5.0 5.075
4.90 5.0 5.10
V
10 40 mV
10 40 mV
10 40 mV
10 40 mV
10 40 mV
16 50 mV
16 50 mV
16 50 mV
16 50 mV
16 50 mV
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