KD1084AXX [STMICROELECTRONICS]
5 A low drop positive voltage regulator adjustable and fixed; 5低压降正稳压器可调和固定型号: | KD1084AXX |
厂家: | ST |
描述: | 5 A low drop positive voltage regulator adjustable and fixed |
文件: | 总22页 (文件大小:769K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
KD1084xx
KD1084Axx
5 A low drop positive voltage regulator adjustable and fixed
Features
■ Typical dropout 1.3 V (at 5 A)
■ Three terminal adjustable or fixed output
voltage 1.8 V, 2.5 V, 3.3 V.
■ Guaranteed output current up to 5 A
DPAK
TO-220
■ Output tolerance 1ꢀ at 25 °C and 2ꢀ in full
temperature range for the "A" version
■ Output tolerance 2ꢀ at 25 °C and 3ꢀ In full
temperature range internal power and thermal
limit
D2PAK
■ Wide operating temp. range -40 °C to 125 °C
2
■ Package available: TO-220, D PAK, DPAK
■ Pinout compatibility with standard adjustable
A 2.85 V output version is suitable for SCSI-2
active termination. Unlike PNP regulators, where
a part of the output current is wasted as quiescent
current, the KD1084xx quiescent current flows
into the load, so increase efficiency. Only a 10 µF
minimum capacitor is need for stability.
VREG
Description
The KD1084xx is a LOW DROP voltage regulator
able to provide up to 5 A of output current.
Dropout is guaranteed at a maximum of 1.5 V at
the maximum output current, decreasing at lower
loads. The KD1084xx is pin to pin compatible with
he older 3-terminal adjustable regulators but has
better performances in term of drop and output
tolerance.
2
The devices are supplied in TO-220, D PAK and
DPAK. On chip trimming allows the regulator to
reach a very tight output voltage tolerance, within
1ꢀ at 25 °C for "A" version and 2ꢀ at 25 °C for
standard version.
Table 1.
Device summary
Order codes
Part numbers
TO-220
D2PAK
DPAK
Output voltage Tolerance
KD1084AXX18
KD1084AD2T18R
KD1084D2T25R
1.8 V
2.5 V
2.5 V
3.3 V
3.3 V
ADJ
1ꢀ
2ꢀ
1ꢀ
2ꢀ
1ꢀ
2ꢀ
1ꢀ
KD1084XX25
KD1084AXX25
KD1084XX33
KD1084AXX33
KD1084XX
KD1084DT25R
KD1084ADT25R
KD1084DT33R
KD1084ADT33R
KD1084DT-R
KD1084V33
KD1084AV33
KD1084AXX
KD1084ADT-R
ADJ
December 2007
Rev 7
1/22
www.st.com
22
Contents
KD1084Axx
Contents
1
2
3
4
5
6
7
8
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Schematic application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/22
KD1084Axx
Diagram
1
Diagram
Figure 1. Schematic diagram
3/22
Pin configuration
KD1084Axx
2
Pin configuration
Figure 2.
Pin connections (top view)
TO-220
DPAK
D2PAK
4/22
KD1084Axx
Maximum ratings
3
Maximum ratings
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VI
IO
DC input voltage
12
V
Output current
Internally limited
Internally limited
-55 to +150
PD
Power dissipation
TSTG
TOP
Storage temperature range
Operating junction temperature range
°C
°C
-40 to +125
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Table 3.
Symbol
Thermal data
Parameter
TO-220
DPAK
D2PAK
Unit
RthJC
RthJA
Thermal resistance junction-case
Thermal resistance junction-ambient
3
8
3
°C/W
°C/W
50
100
62.5
5/22
Schematic application
KD1084Axx
4
Schematic application
Figure 3.
Application circuit
R2
⎛
⎝
⎞
⎠
VO = VREF
⋅
1 + ------
R1
6/22
KD1084Axx
Electrical characteristics
5
Electrical characteristics
Table 4.
Symbol
Electrical characteristics of KD1084A#18 (V = 4.8 V, C = C = 10 µF (tant.),
I
I
O
T = -40 to 125 °C, unless otherwise specified)
A
Parameter
Test conditions
O = 0 mA, TJ = 25°C
IO = 0 to 5A, VI = 3.4 to 10V
O = 0 mA, VI = 3.4 to 10V TJ = 25°C
IO = 0 mA, VI = 3.4 to 10V
Min.
Typ.
Max.
Unit
I
1.782
1.764
1.8
1.8
0.5
1
1.818
1.836
6
V
V
VO
Output voltage
Line regulation
Load regulation
I
mV
mV
mV
V
ΔVO
ΔVO
6
I
O = 0 to 5A, TJ = 25°C
O = 0 to 5A
3
15
I
7
20
Vd
Iq
Dropout voltage
IO = 5 A
1.3
5
1.5
10
V
Quiescent current
Short circuit current
Thermal regulation
VI ≤10V
mA
A
Isc
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
75
ꢀ/W
f = 120 Hz, CO = 25µF, IO = 5A
VI = 5.3 ± ± 1.5V
SVR Supply voltage rejection
dB
ꢀ
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
7/22
Electrical characteristics
KD1084Axx
Table 5.
Electrical characteristics of KD1084A#25 (V = 5.5 V, C = C = 10 µF (tant.),
I
I
O
T = -40 to 125 °C, unless otherwise specified)
A
Symbol
Parameter
Test conditions
O = 0 mA, TJ = 25°C
IO = 0 to 5A, VI = 4.1 to 10V
O = 0 mA, VI = 4.1 to 10V TJ = 25°C
IO = 0 mA, VI = 4.1 to 10V
Min.
Typ.
Max.
Unit
I
2.475
2.45
2.5
2.5
0.5
1
2.525
2.55
6
V
V
VO
Output voltage
Line regulation
Load regulation
I
mV
mV
mV
V
ΔVO
ΔVO
6
I
O = 0 to 5A, TJ = 25°C
O = 0 to 5A
3
15
I
7
20
Vd
Iq
Dropout voltage
IO = 5 A
1.3
5
1.5
10
V
Quiescent current
Short circuit current
Thermal regulation
VI ≤10V
mA
A
Isc
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, IO = 5A
VI = 6 ± ± 1.5V
SVR Supply voltage rejection
dB
ꢀ
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
8/22
KD1084Axx
Electrical characteristics
Table 6.
Symbol
Electrical characteristics of KD1084A#33 (V = 6.3 V, C = C = 10 µF (tant.),
I I O
T = -40 to 125 °C, unless otherwise specified)
A
Parameter
Test conditions
O = 0 mA, TJ = 25°C
IO = 0 to 5A, VI = 4.9 to 10V
O = 0 mA, VI = 4.9 to 10V TJ = 25°C
IO = 0 mA, VI = 4.9 to 10V
Min.
Typ.
Max.
Unit
I
3.267
3.234
3.3
3.35
0.5
1
3.333
3.366
6
V
V
VO
Output voltage
Line regulation
Load regulation
I
mV
mV
mV
V
ΔVO
ΔVO
6
I
O = 0 to 5A, TJ = 25°C
O = 0 to 5A
3
15
I
7
20
Vd
Iq
Dropout voltage
IO = 5 A
1.3
5
1.5
10
V
Quiescent current
Short circuit current
Thermal regulation
VI ≤10V
mA
A
Isc
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, IO = 5A
VI = 6.8 ± ± 1.5V
SVR Supply voltage rejection
dB
ꢀ
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
9/22
Electrical characteristics
KD1084Axx
Table 7.
Electrical characteristics of KD1084A (V = 4.25 V, C = C = 10 µF (tant.),
I I O
T = -40 to 125°C, unless otherwise specified)
A
Symbol
Parameter
Test conditions
O = 10 mA, TJ = 25°C
IO = 10 mA to 5A, VI = 2.85 to 10V
O = 10 mA, VI = 2.85 to 10V TJ = 25°C
IO = 10 mA, VI = 2.85 to 10V
Min.
Typ.
Max.
Unit
I
1.237
1.225
1.25
1.25
0.015
0.035
0.1
1.263
1.275
0.2
V
V
VO
Output voltage
I
mV
mV
mV
V
ΔVO
Line regulation
0.2
I
O = 10 mA to 5A, TJ = 25°C
O = 10 mA to 5A
0.3
ΔVO
Load regulation
Dropout voltage
I
0.2
0.4
Vd
IO = 5 A
1.3
1.5
V
IO(min) Quiescent current
VI ≤10V
3
10
mA
A
Isc
Short circuit current
Thermal regulation
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, CADJ = 25µF,
IO = 5A, VI = 4.75 ± ± 1.5V
SVR Supply voltage rejection
IADJ Adjust pin current
dB
VI = 4.25V, IO = 10 mA
55
120
5
µA
µA
ΔIADJ Adjust pin current change VI = 2.85 to 10V, IO = 10 mA to 5A
0.2
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
ꢀ
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
10/22
KD1084Axx
Electrical characteristics
Table 8.
Symbol
Electrical characteristics of KD1084#25 (V = 5.5 V, C = C = 10 µF (tant.),
I I O
T = -40 to 125°C, unless otherwise specified)
A
Parameter
Test conditions
O = 0 mA, TJ = 25°C
IO = 0 to 5A, VI = 4.1 to 10V
O = 0 mA, VI = 4.1 to 10V TJ = 25°C
IO = 0 mA, VI = 4.1 to 10V
Min.
Typ.
Max.
Unit
I
2.45
2.5
2.5
0.5
1
2.55
2.575
6
V
V
VO
Output voltage
2.425
I
mV
mV
mV
V
ΔVO
ΔVO
Line regulation
6
I
O = 0 to 5A, TJ = 25°C
O = 0 to 5A
3
15
Load regulation
I
7
20
Vd
Iq
Dropout voltage
IO = 5 A
1.3
5
1.5
10
V
Quiescent current
Short circuit current
Thermal regulation
VI ≤10V
mA
A
Isc
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, IO = 5A
VI = 6 ± ± 1.5V
SVR Supply voltage rejection
dB
ꢀ
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
Table 9.
Electrical characteristics of KD1084#33 (V = 5.85 V, C = C = 10 µF (tant.),
I
I
O
T = -40 to 125°C, unless otherwise specified)
A
Symbol
Parameter
Output voltage
Test conditions
O = 0 mA, TJ = 25°C
Min.
Typ.
Max.
Unit
I
I
I
3.234
3.2
3.3
3.3
0.5
1
3.366
3.4
6
V
V
VO
O = 0 to 5A, VI = 4.9 to 10V
O = 0 mA, VI = 4.9 to 10V TJ = 25°C
mV
mV
mV
V
ΔVO
ΔVO
Line regulation
Load regulation
IO = 0 mA, VI = 4.9 to 10V
O = 0 to 5A, TJ = 25°C
6
I
3
15
20
1.5
10
IO = 0 to 5A
IO = 5 A
7
Vd
Iq
Dropout voltage
1.3
5
V
Quiescent current
Short circuit current
Thermal regulation
VI ≤10V
mA
A
Isc
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, IO = 5A
VI = 6.8 ± ± 1.5V
SVR Supply voltage rejection
dB
ꢀ
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
11/22
Electrical characteristics
KD1084Axx
Table 10. Electrical characteristics of KD1084 (V = 4.25 V, C = C = 10 µF (tant.),
I
I
O
T = -40 to 125 °C, unless otherwise specified)
A
Symbol
Parameter
Output voltage
Test conditions
O = 10 mA, TJ = 25°C
IO = 10 mA to 5A, VI = 2.85 to 10V
O = 10 mA, VI = 2.85 to 10V TJ = 25°C
IO = 10 mA, VI = 2.85 to 10V
Min.
Typ.
Max.
Unit
I
1.225
1.213
1.25
1.25
0.015
0.035
1
1.275
1.287
0.2
V
V
VO
I
mV
mV
mV
V
ΔVO
Line regulation
0.2
I
O = 10 mA to 5A, TJ = 25°C
O = 10 mA to 5A
0.3
ΔVO
Load regulation
Dropout voltage
I
0.2
1.3
3
0.4
Vd
IO = 5 A
1.5
V
IO(min) Quiescent current
VI ≤10V
10
mA
A
Isc
Short circuit current
Thermal regulation
VI - VO = 5V
TA = 25°C, 30ms pulse
5.5
60
7
0.003 0.015
72
ꢀ/W
f = 120 Hz, CO = 25µF, CADJ = 25µF,
IO = 5A, VI = 4.75 ± ± 1.5V
SVR Supply voltage rejection
IADJ Adjust pin current
dB
VI = 4.25V, IO = 10 mA
55
120
5
µA
µA
ΔIADJ Adjust pin current change VI = 2.85 to 10V, IO = 10 mA to 5A
0.2
RMS Output noise voltage
(ꢀ of VO)
eN
TA = 25°C, f = 10Hz to 10kHz
TA = 125°C, 1000Hrs
0.003
ꢀ
S
S
Temperature stability
Long term stability
0.5
0.5
ꢀ
ꢀ
12/22
KD1084Axx
Typical application
6
Typical application
Unless otherwise specified T = 25 °C, C = C = 10 µF (tant.)
J
I
O
Figure 4.
Dropout voltage vs output current Figure 5.
Dropout voltage vs temperature
Figure 6.
Short circuit current vs dropout
voltage
Figure 7.
Line regulation vs temperature
Figure 8.
Output voltage vs temperature
Figure 9.
Load regulation vs temperature
13/22
Typical application
KD1084Axx
Figure 10. Supply voltage rejection vs
frequency
Figure 11. Adjust pin current vs output
current
Figure 12. Line transient
Figure 13. Load transient
VI=4 to 6V, IO=200mA,CI = 1µF(tant), CO=10µF(tant),
ts=tf=5µs
VI=7 V, IO=0.1 to 5 A, CI = 1µF(tant), CO=10µF(tant)
ts=tf=3.5µs
14/22
KD1084Axx
Package mechanical data
7
Package mechanical data
®
In order to meet environmental requirements, ST offers these devices in ECOPACK
packages. These packages have a lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
15/22
Package mechanical data
KD1084Axx
TO-220 mechanical data
mm.
inch.
Typ.
Dim.
Min.
Typ.
Max.
4.60
1.32
2.72
Min.
0.173
0.048
0.094
Max.
0.181
0.051
0.107
A
C
4.40
1.23
2.40
D
D1
E
1.27
0.050
0.49
0.61
1.14
1.14
4.95
2.4
0.70
0.88
1.70
1.70
5.15
2.7
0.019
0.024
0.044
0.044
0.194
0.094
0.393
0.027
0.034
0.067
0.067
0.203
0.106
0.409
F
F1
F2
G
G1
H2
L2
L4
L5
L6
L7
L9
DIA.
10.0
10.40
16.4
0.645
13.0
2.65
15.25
6.2
14.0
2.95
15.75
6.6
0.511
0.104
0.600
0.244
0.137
0.147
0.551
0.116
0.620
0.260
0.154
0.151
3.5
3.93
3.85
3.75
P011C
16/22
KD1084Axx
Package mechanical data
DPAK mechanical data
mm.
inch.
Dim.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
A1
A2
B
2.2
0.9
2.4
1.1
0.23
0.9
5.4
0.6
0.6
6.2
0.086
0.035
0.001
0.025
0.204
0.017
0.019
0.236
0.094
0.043
0.009
0.035
0.212
0.023
0.023
0.244
0.03
0.64
5.2
b4
C
0.45
0.48
6
C2
D
D1
E
5.1
0.200
6.4
6.6
0.252
0.260
E1
e
4.7
0.185
0.090
2.28
e1
H
4.4
9.35
1
4.6
0.173
0.368
0.039
0.181
0.397
10.1
L
(L1)
L2
L4
R
2.8
0.8
0.110
0.031
0.6
0°
1
0.023
0.039
8°
0.2
0.008
V2
8°
0°
0068772-F
17/22
Package mechanical data
KD1084Axx
D2PAK mechanical data
mm.
inch.
Typ.
Dim.
Min.
Typ.
Max.
Min.
Max.
A
A1
A2
B
4.4
4.6
2.69
0.23
0.93
1.7
0.173
0.098
0.001
0.027
0.044
0.017
0.048
0.352
0.181
0.106
0.009
0.036
0.067
0.023
0.053
0.368
2.49
0.03
0.7
B2
C
1.14
0.45
1.23
8.95
0.6
C2
D
1.36
9.35
D1
E
8
0.315
0.335
10
10.4
0.393
0.409
E1
G
8.5
4.88
15
5.28
15.85
1.4
0.192
0.590
0.050
0.055
0.094
0.208
0.624
0.055
0.068
0.126
L
L2
L3
M
1.27
1.4
1.75
3.2
2.4
R
0.4
0.016
V2
0°
8°
0°
8°
P011P6G
18/22
KD1084Axx
Package mechanical data
Tape & reel DPAK-PPAK mechanical data
mm.
Typ.
inch.
Typ.
Dim.
Min.
Max.
330
Min.
Max.
12.992
0.519
A
C
12.8
20.2
60
13.0
13.2
0.504
0.795
2.362
0.512
D
N
T
22.4
7.00
10.60
2.75
4.1
0.882
0.2.76
0.417
0.105
0.161
0.319
Ao
Bo
Ko
Po
P
6.80
10.40
2.55
3.9
6.90
10.50
2.65
4.0
0.268
0.409
0.100
0.153
0.311
0.272
0.413
0.104
0.157
0.315
7.9
8.0
8.1
19/22
Package mechanical data
KD1084Axx
Tape & reel D2PAK-P2PAK-D2PAK/A-P2PAK/A mechanical data
mm.
Typ.
inch.
Typ.
Dim.
Min.
Max.
180
Min.
Max.
7.086
0.519
A
C
D
12.8
20.2
60
13.0
13.2
0.504
0.795
2.362
0.512
N
T
14.4
10.70
15.90
5.00
4.1
0.567
0.421
0.626
0.197
0.161
0.476
Ao
Bo
Ko
Po
P
10.50
15.70
4.80
3.9
10.6
15.80
4.90
4.0
0.413
0.618
0.189
0.153
0.468
0.417
0.622
0.193
0.157
0.472
11.9
12.0
12.1
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Revision history
8
Revision history
Table 11. Document revision history
Date
Revision
Changes
06-Sep-2005
02-Apr-2007
30-May-2007
18-Dec-2007
4
5
6
7
Order codes updated.
Order codes updated.
Order codes updated.
Added Table 1.
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