BCD AZ1084D-1.5 5a low dropout linear regulator Datasheet

Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
General Description
Features
The AZ1084 is a series of low dropout positive voltage
regulators with a maximum dropout of 1.5V at 5A of
load current.
·
·
·
·
·
·
·
The series features on-chip thermal limiting which provides protection against any combination of overload
and ambient temperatures that would create excessive
junction temperatures. It also includes a trimmed bandgap reference and a current limiting circuit.
Low Dropout Voltage: 1.3V Typically at 5A
Current Limiting and Thermal Protection
Output Current: 5A
Current Limit: 6.5A
Operating Junction Temperature Range:0 to 125oC
Line Regulation: 0.015% (Typical)
Load Regulation: 0.2% (Typical)
Applications
The AZ1084 is available in 1.5V, 1.8V, 2.5V, 2.85V,
3.3V and 5.0V versions. The fixed versions integrate
the adjust resistors. It is also available in an adjustable
version which can set the output voltage with two
external resistors.
·
·
·
·
·
The AZ1084 series is available in standard packages of
TO-263-2, TO-263-3, TO-220 and TO-252.
TO-263-3
TO-263-2
High Efficiency Linear Regulators
Battery Chargers
Post Regulation for Switching Supply
Microprocessor Supply
Desktop PCs, RISC and Embedded Processors'
Supply
TO-252
TO-220
Figure 1. Package Types of AZ1084
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
1
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Pin Configuration
T Package
(TO-220)
D Package
(TO-252)
3
INPUT
2
OUTPUT
1
ADJ/GND
3
INPUT
2
OUTPUT
1
ADJ/GND
S Package
S Package
(TO-263-3)
(TO-263-2)
3
INPUT
3
INPUT
2
OUTPUT
2
OUTPUT (TAB)
1
ADJ/GND
1
ADJ/GND
Figure 2. Pin Configuration of AZ1084 (Top View)
Functional Block Diagram
3
Thermal
Protection
+
2
A1
A2
INPUT
OUTPUT
For Adjustable Output, disconnect A1 and A2, connect B
For Fixed Output, connect A1 and A2, disconnect B
B
1
ADJ/
GND
Figure 3. Functional Block Diagram of AZ1084
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
2
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Ordering Information
AZ1084
E1: Lead Free
Blank: Tin Lead
Circuit Type
TR: Tape and Reel
Blank: Tube
ADJ: Adjustable Output
1.5: Fixed Output 1.5V
1.8: Fixed Output 1.8V
2.5: Fixed Output 2.5V
2.85: Fixed Output 2.85V
3.3: Fixed Output 3.3V
5.0: Fixed Output 5.0V
Package
D: TO-252
T: TO-220
S: TO-263-3
S2: TO-263-2
Package
TO-252
TO-220
Temperature Range
0 to 125oC
0 to
125oC
Part Number
Tin Lead
Marking ID
Lead Free
Tin Lead
Lead Free
Packing
Type
AZ1084D-ADJ
AZ1084D-ADJE1
AZ1084D-ADJ
AZ1084D-ADJE1
Tube
AZ1084D-ADJTR
AZ1084D-ADJTRE1
AZ1084D-ADJ
AZ1084D-ADJE1
Tape & Reel
AZ1084D-1.5
AZ1084D-1.5E1
AZ1084D-1.5
AZ1084D-1.5E1
Tube
AZ1084D-1.5TR
AZ1084D-1.5TRE1
AZ1084D-1.5
AZ1084D-1.5E1
Tape & Reel
AZ1084D-1.8
AZ1084D-1.8E1
AZ1084D-1.8
AZ1084D-1.8E1
Tube
AZ1084D-1.8TR
AZ1084D-1.8TRE1
AZ1084D-1.8
AZ1084D-1.8E1
Tape & Reel
AZ1084D-2.5
AZ1084D-2.5E1
AZ1084D-2.5
AZ1084D-2.5E1
Tube
AZ1084D-2.5TR
AZ1084D-2.5TRE1
AZ1084D-2.5
AZ1084D-2.5E1
Tape & Reel
AZ1084D-2.85
AZ1084D-2.85E1
AZ1084D-2.85
AZ1084D-2.85E1
Tube
AZ1084D-2.85TR
AZ1084D-2.85TRE1
AZ1084D-2.85
AZ1084D-2.85E1
Tape & Reel
AZ1084D-3.3
AZ1084D-3.3E1
AZ1084D-3.3
AZ1084D-3.3E1
Tube
AZ1084D-3.3TR
AZ1084D-3.3TRE1
AZ1084D-3.3
AZ1084D-3.3E1
Tape & Reel
AZ1084D-5.0
AZ1084D-5.0E1
AZ1084D-5.0
AZ1084D-5.0E1
Tube
AZ1084D-5.0TR
AZ1084D-5.0TRE1
AZ1084D-5.0
AZ1084D-5.0E1
Tape & Reel
AZ1084T-ADJ
AZ1084T-ADJE1
AZ1084T-ADJ
AZ1084T-ADJE1
Tube
AZ1084T-1.5
AZ1084T-1.5E1
AZ1084T-1.5
AZ1084T-1.5E1
Tube
AZ1084T-1.8
AZ1084T-1.8E1
AZ1084T-1.8
AZ1084T-1.8E1
Tube
AZ1084T-2.5
AZ1084T-2.5E1
AZ1084T-2.5
AZ1084T-2.5E1
Tube
AZ1084T-2.85
AZ1084T-2.85E1
AZ1084T-2.85
AZ1084T-2.85E1
Tube
AZ1084T-3.3
AZ1084T-3.3E1
AZ1084T-3.3
AZ1084T-3.3E1
Tube
AZ1084T-5.0
AZ1084T-5.0E1
AZ1084T-5.0
AZ1084T-5.0E1
Tube
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
3
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Ordering Information (Continued)
Package
TO-263-3
TO-263-2
Temperature Range
0 to 125oC
0 to 125oC
Part Number
Tin Lead
Marking ID
LeadFree
Tin Lead
LeadFree
Packing
Type
AZ1084S-ADJ
AZ1084S-ADJE1
AZ1084S-ADJ
AZ1084S-ADJE1
Tube
AZ1084S-ADJTR
AZ1084S-ADJTRE1
AZ1084S-ADJ
AZ1084S-ADJE1
Tape & Reel
AZ1084S-1.5
AZ1084S-1.5E1
AZ1084S-1.5
AZ1084S-1.5E1
Tube
AZ1084S-1.5TR
AZ1084S-1.5TRE1
AZ1084S-1.5
AZ1084S-1.5E1
Tape & Reel
AZ1084S-1.8
AZ1084S-1.8E1
AZ1084S-1.8
AZ1084S-1.8E1
Tube
AZ1084S-1.8TR
AZ1084S-1.8TRE1
AZ1084S-1.8
AZ1084S-1.8E1
Tape & Reel
AZ1084S-2.5
AZ1084S-2.5E1
AZ1084S-2.5
AZ1084S-2.5E1
Tube
AZ1084S-2.5TR
AZ1084S-2.5TRE1
AZ1084S-2.5
AZ1084S-2.5E1
Tape & Reel
AZ1084S-2.85
AZ1084S-2.85E1
AZ1084S-2.85
AZ1084S-2.85E1
Tube
AZ1084S-2.85TR
AZ1084S-2.85TRE1
AZ1084S-2.85
AZ1084S-2.85E1
Tape & Reel
AZ1084S-3.3
AZ1084S-3.3E1
AZ1084S-3.3
AZ1084S-3.3E1
Tube
AZ1084S-3.3TR
AZ1084S-3.3TRE1
AZ1084S-3.3
AZ1084S-3.3E1
Tape & Reel
AZ1084S-5.0
AZ1084S-5.0E1
AZ1084S-5.0
AZ1084S-5.0E1
Tube
AZ1084S-5.0TR
AZ1084S-5.0TRE1
AZ1084S-5.0
AZ1084S-5.0E1
Tape & Reel
AZ1084S2-ADJ
AZ1084S2-ADJE1
AZ1084S2-ADJ
AZ1084S2-ADJE1
Tube
AZ1084S2-ADJTR
AZ1084S2-ADJTRE1
AZ1084S2-ADJ
AZ1084S2-ADJE1
Tape & Reel
AZ1084S2-1.5
AZ1084S2-1.5E1
AZ1084S2-1.5
AZ1084S2-1.5E1
Tube
AZ1084S2-1.5TR
AZ1084S2-1.5TRE1
AZ1084S2-1.5
AZ1084S2-1.5E1
Tape & Reel
AZ1084S2-1.8
AZ1084S2-1.8E1
AZ1084S2-1.8
AZ1084S2-1.8E1
Tube
AZ1084S2-1.8TR
AZ1084S2-1.8TRE1
AZ1084S2-1.8
AZ1084S2-1.8E1
Tape & Reel
AZ1084S2-2.5
AZ1084S2-2.5E1
AZ1084S2-2.5
AZ1084S2-2.5E1
Tube
AZ1084S2-2.5TR
AZ1084S2-2.5TRE1
AZ1084S2-2.5
AZ1084S2-2.5E1
Tape & Reel
AZ1084S2-2.85
AZ1084S2-2.85E1
AZ1084S2-2.85
AZ1084S2-2.85E1
Tube
AZ1084S2-2.85TR
AZ1084S2-2.85TRE1
AZ1084S2-2.85
AZ1084S2-2.85E1
Tape & Reel
AZ1084S2-3.3
AZ1084S2-3.3E1
AZ1084S2-3.3
AZ1084S2-3.3E1
Tube
AZ1084S2-3.3TR
AZ1084S2-3.3TRE1
AZ1084S2-3.3
AZ1084S2-3.3E1
Tape & Reel
AZ1084S2-5.0
AZ1084S2-5.0E1
AZ1084S2-5.0
AZ1084S2-5.0E1
Tube
AZ1084S2-5.0TR
AZ1084S2-5.0TRE1
AZ1084S2-5.0
AZ1084S2-5.0E1
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
4
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Max
Unit
150
oC
150
o
TLEAD
300
o
ESD
2000
V
Operating Junction Temperature Range
TJ
Storage Temperature Range
TS
Lead Temperature (Soldering, 10 sec.)
ESD (Human Body Model)
Min
-65
C
C
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated under"Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum
Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Input Voltage
VIN
Operating Junction Temperature Range
TJ
Oct. 2005 Rev. 1. 2
Min
0
Max
Unit
12
V
125
o
C
BCD Semiconductor Manufacturing Limited
5
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Electrical Characteristics
Typicals and limits appearing in normal type apply for TJ = 25oC. Limits appearing in Boldface type apply over
the entire operating junction temperature range.
Parameter
Reference Voltage
Output Voltage
Line Regulation
Symbol
VREF
VOUT
∆VOUT
Conditions
Min
Typ
Max
Unit
AZ1084-ADJ,
IOUT = 10mA, VIN -VOUT = 3V,
10mA ≤ IOUT ≤ 5A, 1.5V ≤ VIN - VOUT ≤ 5V
1.238
1.225
1.250
1.250
1.262
1.270
V
AZ1084-1.5,
IOUT = 0mA, VIN = 4.5V,
10mA≤ IOUT ≤ 5A, 3.1V≤ VIN ≤ 6V
1.485
1.47
1.5
1.5
1.515
1.53
V
AZ1084-1.8,
IOUT = 0mA, VIN = 4.8V,
10mA≤ IOUT ≤ 5A, 3.4V≤ VIN ≤ 6V
1.782
1.764
1.8
1.8
1.818
1.836
V
AZ1084-2.5,
IOUT = 0mA, VIN = 5.5V,
10mA≤ IOUT ≤ 5A, 4.1V≤ VIN ≤ 7V
2.475
2.45
2.5
2.5
2.525
2.55
V
AZ1084-2.85,
IOUT = 0mA, VIN = 6V,
10mA≤ IOUT ≤ 5A, 4.5V≤ VIN ≤ 8V
2.822
2.793
2.85
2.85
2.879
2.907
V
AZ1084-3.3,
IOUT = 0mA, VIN = 6.3V,
10mA≤ IOUT ≤ 5A, 4.9V≤ VIN ≤ 8V
3.267
3.234
3.3
3.3
3.333
3.366
V
AZ1084-5.0,
IOUT = 0mA, VIN = 8V,
10mA≤ IOUT ≤ 5A, 6.6V≤ VIN ≤ 10V
4.95
4.9
5
5
5.05
5.1
V
AZ1084-ADJ,
IOUT = 10mA, 2.85V ≤ VIN ≤ 10V
0.015
0.035
0.2
0.2
%
AZ1084-1.5,
IOUT = 10mA, 3.1V ≤ VIN ≤ 10V
0.5
1
6
6
mV
AZ1084-1.8,
IOUT = 10mA, 3.4V ≤ VIN ≤ 10V
0.5
1
6
6
mV
AZ1084-2.5,
IOUT = 10mA, 4.1V ≤ VIN ≤ 10V
0.5
1
6
6
mV
AZ1084-2.85,
IOUT = 10mA, 4.5V ≤ VIN ≤ 10V
0.5
1
6
6
mV
AZ1084-3.3,
IOUT = 10mA, 4.9V ≤ VIN ≤ 10V
0.5
1
6
6
mV
AZ1084-5.0,
IOUT = 10mA, 6.6V ≤ VIN ≤ 10V
0.5
1
10
10
mV
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
6
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Electrical Characteristics (Continued)
Typicals and limits appearing in normal type apply for TJ = 25oC. Limits appearing in Boldface type apply over
the entire operating junction temperature range.
Parameter
Load Regulation
Symbol
∆VOUT
Dropout Voltage
Current Limit
ILIMIT
Conditions
Min
Typ
Max
Unit
AZ1084-ADJ, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
0.1
0.2
0.3
0.4
%
AZ1084-1.5, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
3
7
15
20
mV
AZ1084-1.8, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
3
7
15
20
mV
AZ1084-2.5, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
3
7
15
20
mV
AZ1084-2.85, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
3
7
15
20
mV
AZ1084-3.3, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
3
7
15
20
mV
AZ1084-5.0, 0mA≤ IOUT ≤ 5A,
VIN - VOUT = 3V
5
10
20
35
mV
IO = 5A, ∆VREF,∆VOUT= 1%
1.3
1.5
V
VIN - VOUT = 3V,
5.5
6.5
A
Minimum
Load Current
VIN = 10V (AZ1084-ADJ)
3
10
mA
Quiescent Current
VIN = 10V (AZ1084)
5
10
mA
Ripple Rejection
fRIPPLE = 120Hz, COUT = 25µF Tantalum,
IOUT = 5A, VIN - VOUT = 3V
Adjust Pin Current
VIN = 4.25V, IOUT = 10mA
55
120
µA
Adjust Pin Current
Change
10mA ≤ IOUT ≤ 5A,
1.5V≤ (VIN -VOUT) ≤ 4.5V
0.2
5
µA
Temperature
Stability
IOUT = 10mA, VIN - VOUT = 1.5
0.5
%
Long Term Stability
TA = 125oC, 1000Hrs
0.5
%
RMS Noise
(% of VOUT)
10Hz ≤ f ≤ 10kHz
0.003
%
3
3
4
oC/W
Thermal Resistance
Junction -to-Case
θJC
TO-263
TO-220
TO-252
Oct. 2005 Rev. 1. 2
60
72
dB
BCD Semiconductor Manufacturing Limited
7
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Typical Performance Characteristics
2.53
1.50
1.45
2.52
1.35
1.30
Output Voltage (V)
Dropout Voltage (V)
1.40
1.25
1.20
1.15
1.10
1.05
1.00
2.51
2.50
2.49
0.95
2.48
0.90
0.85
0.80
0.0
2.47
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
5.0
25
50
75
100
125
o
TJ ( C)
Output Current (A)
Figure 4. Dropout Voltage vs. Output Current
Figure 5. Output Voltage vs. Temperature
80
0.0
Adjust Pin Current (uA)
Line Regulation (mV)
75
-0.2
-0.4
-0.6
70
65
60
55
50
45
40
35
-0.8
30
25
20
-1.0
0
25
50
75
100
125
0
1
2
3
4
5
Output Current (A)
o
TJ ( C)
Figure 7. Adjust Pin Current vs. Output Current
Figure 6. Line Regulation vs. Temperature
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
8
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Typical Performance Characteristics (Continued)
1.40
8
Short Circuit Current (A)
Dropout Voltage (V)
7
1.35
1.30
1.25
6
5
4
3
2
1
1.20
0
25
50
75
100
0
125
0
2
4
6
8
10
12
Dropout Voltage (V)
o
TJ ( C)
Figure 8. Dropout Voltage vs. Temperature
Figure 9. Short Circuit Current vs. Dropout Voltage
Figure 10. Load Transient Response
Figure 11. Line Transient Response
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
9
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Typical Application
VIN
+
10µF
Tantalum
+
22µF
Tantalum
ADJ
R1
VOUT=VREF* (1+R2/R1) + IADJ * R2
R2
AZ1084-5.0
VIN
10µF
Tantalum
VOUT
AZ1084-ADJ
VOUT
VIN
+
VIN
GND
VOUT
VOUT
+
22µF
Tantalum
Figure 12. Typical Applications of AZ1084
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
10
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Mechanical Dimensions
TO-263-3
4.070(0.160)
4.820(0.190)
Unit: mm(inch)
3°
9.650(0.380)
10.290(0.405)
8.840(0.348)
7.420(0.292)
1.150(0.045)
1.390(0.055)
1.270(0.050)
1.390(0.055)
70°
14.760(0.581)
15.740(0.620)
1.150(0.045)
1.390(0.055)
3°
0.510(0.020)
0.990(0.039)
2.540(0.100)
2.640(0.104)
2.700(0.106)
0.360(0.014)
0.400(0.016)
7°
2.200(0.087)
5.600(0.220)
0.020(0.001)
0.250(0.010)
2.390(0.094)
2.690(0.106)
8.640(0.340)
9.650(0.380)
7°
7.980(0.314)
2°
8°
0.380(0.015)
2.540(0.100)
2.540(0.100)
0°
6°
Oct. 2005 Rev. 1. 2
2.540(0.100)
BCD Semiconductor Manufacturing Limited
11
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Mechanical Dimensions (Continued)
TO-263-2
4.070(0.160)
4.820(0.190)
9.650(0.380)
10.290(0.405)
8.840(0.348)
70°
Unit: mm(inch)
3°
1.150(0.045)
1.390(0.055)
1.270(0.050)
1.390(0.055)
7.420(0.292)
0.020(0.001)
0.250(0.010)
2.540(0.100)
1.150(0.045)
1.390(0.055)
2.390(0.094)
2.690(0.106)
1.500(0.059)
14.760(0.581)
15.740(0.620)
3°
2.640(0.104)
2.700(0.106)
0.360(0.014)
0.400(0.016)
7°
2.200(0.087)
5.600(0.220)
8.640(0.340)
9.650(0.380)
7°
7.980(0.314)
2°
8°
0.510(0.020)
0.990(0.039)
0.380(0.015)
2.540(0.100)
2.540(0.100)
0°
6°
Oct. 2005 Rev. 1. 2
2.540(0.100)
BCD Semiconductor Manufacturing Limited
12
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Mechanical Dimensions (Continued)
TO-220
2.580(0.102)
3.380(0.133)
0.550(0.022)
1.350(0.053)
1.160(0.046)
1.760(0.069)
14.230(0.560)
16.510(0.650)
φ1.500(0.059)
27.880(1.098)
30.280(1.192)
8.520(0.335)
9.520(0.375)
1.850(0.073)
9.660(0.380)
10.660(0.420)
φ3.560(0.140)
4.060(0.160)
Unit: mm(inch)
3°
0.200(0.008)
7°
3.560(0.140)
4.820(0.190)
2.080(0.082)
2.880(0.113)
7°
0.381(0.015)
60°
0.813(0.032)
8.763(0.345)
60°
0.381(0.015)
2.540(0.100)
2.540(0.100)
Oct. 2005 Rev. 1. 2
0.356(0.014)
0.406(0.016)
BCD Semiconductor Manufacturing Limited
13
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084
Mechanical Dimensions (Continued)
TO-252
2.180(0.086)
2.380(0.094)
0.460(0.018)
0.580(0.023)
1.080(0.043)
1.320(0.052)
2.240(0.088)
2.340(0.092)
2.90°
3.10°
5°
0.600(0.024)
1.400(0.055)
1.760(0.069)
0.640(0.025)
0.780(0.031)
8°
5.360(0.211)
5.560(0.219)
0.480(0.019)
0.540(0.021)
0.020(0.001)
0.120(0.005)
5°
0.750(0.030)
0.850(0.033)
2.240(0.088)
2.340(0.092)
0.400(0.016)×45°
1°
7°
0.510(0.020)
2.600(0.102)
3.000(0.118)
9.500(0.374)
10.100(0.398)
0.650(0.026)
0.950(0.037)
5.230(0.206)
5.430(0.214)
6.380(0.251)
6.680(0.263)
Unit: mm(inch)
2.90°
3.10°
Oct. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
14
http://www.bcdsemi.com
IMPORTANT NOTICE
BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any
particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use
of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or
other rights nor the rights of others.
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