BCD AZ1084CS-2.5TRE1 5a low dropout linear regulator Datasheet

Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
General Description
Features
The AZ1084C 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.
·
·
·
The AZ1084C is available in 1.5V, 1.8V, 2.5V, 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.
Low Dropout Voltage: 1.35V Typical at 5A
Current Limiting and Thermal Protection
Output Current: 5A
Current Limit: 6.5A
Operating Junction Temperature Range: 0 to
125oC
Compatible with Low ESR Ceramic Capacitor
Line Regulation (Adj Version): 0.015% (Typ)
Load Regulation (Adj Version): 0.1% (Typ)
Applications
·
·
·
·
·
The AZ1084C series is available in standard packages
of TO-263-3, TO-263-2, TO-252-2 (3) and TO-252-2
(4).
TO-263-3
High Efficiency Linear Regulators
Battery Chargers
Post Regulation for Switching Supply
Microprocessor Supply
Desktop PCs, RISC and Embedded Processors'
Supply
TO-263-2
TO-252-2 (3)
TO-252-2 (4)
Figure 1. Package Types of AZ1084C
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
1
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Pin Configuration
S Package
(TO-263-3)
S2 Package
(TO-263-2)
3
INPUT
3
INPUT
2
OUTPUT
2
OUTPUT (TAB)
1
ADJ/GND
1
ADJ/GND
D Packages
(TO-252-2 (4))
(TO-252-2 (3))
3
INPUT
3
INPUT
2
OUTPUT
2
OUTPUT
1
ADJ/GND
1
ADJ/GND
Figure 2. Pin Configuration of AZ1084C (Top View)
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
2
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
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 AZ1084C
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
3
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Ordering Information
AZ1084C
E1: Lead Free
G1: Green
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
3.3: Fixed Output 3.3V
5.0: Fixed Output 5.0V
Package
S: TO-263-3
S2: TO-263-2
D: TO-252-2 (3)/TO-252-2 (4)
Package
TO-263-3
TO-263-2
Temperature Range
0 to 125oC
0 to 125oC
Part Number
Lead Free
Marking ID
Green
Lead Free
Green
Packing
Type
AZ1084CS-ADJE1
AZ1084CS-ADJG1
AZ1084CS-ADJE1
AZ1084CS-ADJG1
Tube
AZ1084CS-ADJTRE1
AZ1084CS-ADJTRG1
AZ1084CS-ADJE1
AZ1084CS-ADJG1
Tape & Reel
AZ1084CS-1.5E1
AZ1084CS-1.5G1
AZ1084CS-1.5E1
AZ1084CS-1.5G1
Tube
AZ1084CS-1.5TRE1
AZ1084CS-1.5TRG1
AZ1084CS-1.5E1
AZ1084CS-1.5G1
Tape & Reel
AZ1084CS-1.8E1
AZ1084CS-1.8G1
AZ1084CS-1.8E1
AZ1084CS-1.8G1
Tube
AZ1084CS-1.8TRE1
AZ1084CS-1.8TRG1
AZ1084CS-1.8E1
AZ1084CS-1.8G1
Tape & Reel
AZ1084CS-2.5E1
AZ1084CS-2.5G1
AZ1084CS-2.5E1
AZ1084CS-2.5G1
Tube
AZ1084CS-2.5TRE1
AZ1084CS-2.5TRG1
AZ1084CS-2.5E1
AZ1084CS-2.5G1
Tape & Reel
AZ1084CS-3.3E1
AZ1084CS-3.3G1
AZ1084CS-3.3E1
AZ1084CS-3.3G1
Tube
AZ1084CS-3.3TRE1
AZ1084CS-3.3TRG1
AZ1084CS-3.3E1
AZ1084CS-3.3G1
Tape & Reel
AZ1084CS-5.0E1
AZ1084CS-5.0G1
AZ1084CS-5.0E1
AZ1084CS-5.0G1
Tube
AZ1084CS-5.0TRE1
AZ1084CS-5.0TRG1
AZ1084CS-5.0E1
AZ1084CS-5.0G1
Tape & Reel
AZ1084CS2-ADJE1
AZ1084CS2-ADJG1
AZ1084CS2-ADJE1
AZ1084CS2-ADJG1
Tube
AZ1084CS2-ADJTRE1
AZ1084CS2-ADJTRG1
AZ1084CS2-ADJE1
AZ1084CS2-ADJG1
Tape & Reel
AZ1084CS2-1.5E1
AZ1084CS2-1.5G1
AZ1084CS2-1.5E1
AZ1084CS2-1.5G1
Tube
Tape & Reel
AZ1084CS2-1.5TRE1
AZ1084CS2-1.5TRG1
AZ1084CS2-1.5E1
AZ1084CS2-1.5G1
AZ1084CS2-1.8E1
AZ1084CS2-1.8G1
AZ1084CS2-1.8E1
AZ1084CS2-1.8G1
Tube
AZ1084CS2-1.8TRE1
AZ1084CS2-1.8TRG1
AZ1084CS2-1.8E1
AZ1084CS2-1.8G1
Tape & Reel
AZ1084CS2-2.5E1
AZ1084CS2-2.5G1
AZ1084CS2-2.5E1
AZ1084CS2-2.5G1
Tube
AZ1084CS2-2.5TRE1
AZ1084CS2-2.5TRG1
AZ1084CS2-2.5E1
AZ1084CS2-2.5G1
Tape & Reel
AZ1084CS2-3.3E1
AZ1084CS2-3.3G1
AZ1084CS2-3.3E1
AZ1084CS2-3.3G1
Tube
AZ1084CS2-3.3TRE1
AZ1084CS2-3.3TRG1
AZ1084CS2-3.3E1
AZ1084CS2-3.3G1
Tape & Reel
AZ1084CS2-5.0E1
AZ1084CS2-5.0G1
AZ1084CS2-5.0E1
AZ1084CS2-5.0G1
Tube
AZ1084CS2-5.0TRE1
AZ1084CS2-5.0TRG1
AZ1084CS2-5.0E1
AZ1084CS2-5.0G1
Tape & Reel
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
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Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Ordering Information (Continued)
Package
TO-252-2 (3)/
TO-252-2 (4)
Temperature
Range
0 to 125oC
Part Number
Marking ID
Packing
Type
AZ1084CD-ADJTRG1
AZ1084CD-ADJG1
Tape & Reel
AZ1084CD-1.5TRG1
AZ1084CD-1.5G1
Tape & Reel
AZ1084CD-1.8TRG1
AZ1084CD-1.8G1
Tape & Reel
AZ1084CD-2.5TRG1
AZ1084CD-2.5G1
Tape & Reel
AZ1084CD-3.3TRG1
AZ1084CD-3.3G1
Tape & Reel
AZ1084CD-5.0TRG1
AZ1084CD-5.0G1
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green packages.
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
5
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Absolute Maximum Ratings (Note 1)
Parameter
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec.)
Thermal Resistance (Note 2)
Symbol
Value
Unit
TJ
150
oC
TSTG
-65 to 150
o
TLEAD
260
o
C
TO-263-2
60
TO-263-3
60
TO-252-2 (3)/TO-252-2 (4)
100
θJA
C
o
C/W
ESD (Human Body Model)
ESD
2000
V
ESD (Machine Model)
ESD
400
V
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.
Note 2: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical
specifications do not apply when operating the device outside of its operating ratings. The maximum allowable
power dissipation is a function of the maximum junction temperature, TJ(max), the junction-to-ambient thermal
resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD(max)=(TJ(max) -TA)/θJA. Exceeding the maximum allowable power dissipation will
result in excessive die temperature, and the regulator will go into thermal shutdown.
Recommended Operating Conditions
Parameter
Symbol
Input Voltage
VIN
Operating Junction Temperature Range
TJ
Jan. 2013 Rev. 1. 7
Min
0
Max
Unit
12
V
125
o
C
BCD Semiconductor Manufacturing Limited
6
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
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
Symbol
Reference Voltage
VREF
Output Voltage
Line Regulation
VOUT
ΔVOUT
Conditions
Min
Typ
Max
Unit
AZ1084C-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
AZ1084C-1.5,
IOUT=0mA, VIN=4.5V,
10mA≤IOUT≤5A, 3.0V≤VIN≤6V
1.485
1.47
1.5
1.5
1.515
1.53
V
AZ1084C-1.8,
IOUT=0mA, VIN=4.8V,
10mA≤IOUT≤ 5A, 3.3V≤VIN≤6V
1.782
1.764
1.8
1.8
1.818
1.836
V
AZ1084C-2.5,
IOUT=0mA, VIN=5.5V
10mA≤IOUT≤5A, 4.0V≤VIN ≤7V
2.475
2.45
2.5
2.5
2.525
2.55
V
AZ1084C-3.3,
IOUT=0mA, VIN=6.3V,
10mA≤IOUT≤5A, 4.8V≤VIN≤8V
3.267
3.234
3.3
3.3
3.333
3.366
V
AZ1084C-5.0,
IOUT=0mA, VIN=8V,
10mA≤ IOUT≤5A, 6.5V≤VIN≤10V
4.95
4.9
5
5
5.05
5.1
V
AZ1084C-ADJ,
IOUT=10mA, 2.85V≤VIN≤10V
0.015
0.035
0.2
0.2
%
AZ1084C-1.5,
IOUT=10mA, 3.0V≤VIN≤10V
0.5
1
6
6
mV
AZ1084C-1.8,
IOUT=10mA, 3.3V≤VIN≤10V
0.5
1
6
6
mV
AZ1084C-2.5,
IOUT=10mA, 4.0V≤VIN≤10V
0.5
1
6
6
mV
AZ1084C-3.3,
IOUT=10mA, 4.8V≤VIN≤10V
0.5
1
6
6
mV
AZ1084C-5.0,
IOUT=10mA, 6.5V≤VIN≤10V
0.5
1
10
10
mV
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
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Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
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
Dropout Voltage
Thermal Resistance
(Junction to Case)
Symbol
ΔVOUT
VDROP
θJC
Current Limit
ILIMIT
Minimum
Load Current
ILOAD (MIN)
Quiescent Current
IQ
Ripple Rejection
PSRR
Conditions
Min
Typ
Max
Unit
AZ1084C-ADJ, 0mA≤IOUT≤5A,
VIN-VOUT=3V
0.1
0.2
0.3
0.4
%
AZ1084C-1.5, 0mA≤IOUT≤5A,
VIN-VOUT=3V
3
7
15
20
mV
AZ1084C-1.8, 0mA≤ IOUT≤5A,
VIN-VOUT=3V
3
7
15
20
mV
AZ1084C-2.5, 0mA≤IOUT≤5A,
VIN-VOUT=3V
3
7
15
20
mV
AZ1084C-3.3, 0mA≤IOUT≤5A,
VIN-VOUT=3V
3
7
15
20
mV
AZ1084C-5.0, 0mA≤IOUT≤5A,
VIN-VOUT=3V
5
10
20
35
mV
IOUT=4.5A, ΔVREF, ΔVOUT=1%
1.35
1.5
V
TO-263-3
4.15
TO-263-2
4.15
TO-252-2 (3)/TO-252-2 (4)
7.36
VIN-VOUT=3V
5.5
oC/W
A
6.5
VIN=10V (AZ1084C-ADJ)
3
10
mA
VIN=10V (AZ1084C)
5
10
mA
fRIPPLE=120Hz, COUT=25μF Tantalum,
IOUT=5A, VIN-VOUT=3V
60
dB
72
Adjust Pin Current
IADJ
VIN=4.25V, IOUT=10mA
55
120
μA
Adjust Pin Current
Change
ΔIADJ
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
%
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
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Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Typical Performance Characteristics
1.50
2.53
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
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
2.47
5.0
0
25
75
100
125
Junction Temperature ( C)
Figure 5. Output Voltage vs. Junction Temperature
Figure 4. Dropout Voltage vs. Output Current
0.60
1.260
1.258
0.59
IOUT=10mA
Minimum Load Current (mA)
Reference Voltage (V)
50
o
Output Current (A)
1.256
1.254
1.252
1.250
1.248
0.58
0.57
0.56
0.55
0.54
0.53
0.52
0.51
1.246
0.50
0
20
40
60
80
100
120
0
25
50
75
100
125
0
o
Junction Temperature ( C)
Junction Temperature ( C)
Figure 6. Reference Voltage vs. Junction Temperature
Figure 7. Minimum Load Current vs. Junction Temperature
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
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Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
70
0.0
69
-0.2
Line Regulation (mV)
Adjust Pin Current (μA)
Typical Performance Characteristics (Continued)
68
67
66
-0.4
-0.6
-0.8
65
64
-1.0
0
20
40
60
80
100
120
0
25
o
50
75
100
125
o
Junction Temperature ( C)
Junction Temperature ( C)
Figure 8. Adjust Pin Current vs. Junction Temperature
Figure 9. Line Regulation vs. Junction Temperature
1.40
80
75
1.35
65
Dropout Voltage (V)
Adjust Pin Current (μA)
70
60
55
50
45
40
35
1.30
1.25
30
25
20
1.20
0
1
2
3
4
5
0
25
50
75
100
125
o
Output Current (A)
Junction Temperature ( C)
Figure 10. Adjust Pin Current vs. Output Current
Figure 11. Dropout Voltage vs. Junction Temperature
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
10
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Typical Performance Characteristics (Continued)
8
80
70
6
60
5
PSRR (dB)
Short Circuit Current (A)
7
4
3
2
0
2
4
6
8
10
0
10
12
100
1k
10k
100k
Dropout Voltage (V)
Frequency (Hz)
Figure 12. Short Circuit Current vs. Dropout Voltage
Figure 13. PSRR vs. Frequency
1M
40
ΔVOUT (20mV/Div)
100
0
-100
20
0
-20
5
6.5
2.5
5.5
VIN (1V/Div)
ΔVOUT (100mV/Div)
30
10
200
IOUT (2.5A/Div)
40
20
1
0
50
0
0.1A
-2.5
4.5
3.5
2.5
-5
Time (200μs/Div)
Time (100μs/Div)
Figure 14. Load Transient Response
(Conditions: VIN=5.5V, VOUT=2.5V, IOUT=10mA to 5A
CIN=10μF, COUT=10μF)
Figure 15. Line Transient Response
(Conditions: VIN=4.5V to 6.5V, VOUT=2.5V,
IOUT=200mA, COUT=10μF)
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
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Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Typical Application
VIN
V OUT
AZ1084C- ADJ
V OUT
VIN
10μF
ADJ
R1
150Ω
VOUT =VREF * (1+R2 /R1) + I ADJ * R2
22μ F
R2
150Ω
AZ1084 C-5.0
VIN
V IN
V OUT
VOUT
GND
10μF
22μF
Figure 16. Typical Applications of AZ1084C
Jan. 2013 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
12
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Mechanical Dimensions
Unit: mm(inch)
TO-263-3
4.070(0.160)
4.820(0.190)
3°
9.650(0.380)
10.290(0.405)
8.840(0.348)
70°
7.420(0.292)
1.150(0.045)
1.390(0.055)
1.270(0.050)
1.390(0.055)
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°
2.540(0.100)
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
13
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
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)
8.640(0.340)
9.650(0.380)
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)
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°
Jan. 2013 Rev. 1. 7
2.540(0.100)
BCD Semiconductor Manufacturing Limited
14
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Mechanical Dimensions (Continued)
6.500(0. 256)
6.700(0. 264)
1.29±0.1
4.700REF
0.470(0.019)
0.600(0.024)
5.250REF
0.600(0.024)
1.000(0.039)
0.150(0.006)
0.750(0.030)
5
9
2.200(0. 087)
2.380(0.094)
0.900(0.035)
1.100(0.043)
0
8
3
7
1.400(0.055)
1.700(0.067)
6.000(0.236)
6.200(0.244)
1.800REF
0.720(0.028)
0.850(0.033)
0.720(0.028)
0.900(0. 035)
5
9
2.900REF
5.130(0.202)
5.460(0.215)
Option 1
2.286(0. 090)
BSC
Unit: mm(inch)
9.800(0.386)
10.400(0.409)
0.900(0.035)
1.250(0.049)
TO-252-2 (3)
0
8
Option 2
BCD Semiconductor Manufacturing Limited
Jan. 2013 Rev. 1. 7
15
Data Sheet
5A LOW DROPOUT LINEAR REGULATOR
AZ1084C
Mechanical Dimensions (Continued)
TO-252-2 (4)
Unit: mm(inch)
2.180(0.086)
2.380(0.094)
6.350(0.250)
6.730(0.265)
0.890(0.035)
1.270(0.050)
4.960(0.195)
5.460(0.215)
4.320(0.170)
MIN
0.460(0.018)
0.600(0.024)
2.160(0.085)
MIN
0
15
1.20±0.05
5.210(0.205)
MIN
5.970(0.235)
6.220(0.245)
9.940(0.391)
10.340(0.407)
1.700(0.067)
1.900(0.075)
1.145(0.045)
1.492(0.059)
0.765(0.030)
1.124(0.044)
2.290(0.090)
BSC
0.640(0.025)
0.884(0.035)
1.010(0.040)
MAX
DETAIL “A”
0.650(0.026)
0.780(0.031)
PLATING
3
3
0.460(0.018)
0.610(0.024)
0.410(0.016)
0.560(0.022)
BASE METAL
0.640(0.025)
0.884(0.035)
SECTION B-B
GAUGE PLANE
1.500(0.059)
1.780(0.070)
0
10
B
B
0.020(0.001)
0.120(0.005)
2.740(0.108)
REF
Jan. 2013 Rev. 1. 7
SEATING
PLANE
BCD Semiconductor Manufacturing Limited
16
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
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Science-basedLimited
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