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PDF KD1084 Data sheet ( Hoja de datos )
| Número de pieza | KD1084 | |
| Descripción | 5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED | |
| Fabricantes | STMicroelectronics | |
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KD1084
SERIES
5A LOW DROP POSITIVE VOLTAGE
REGULATOR ADJUSTABLE AND FIXED
s TYPICAL DROPOUT 1.3V (AT 5A)
s THREE TERMINAL ADJUSTABLE OR FIXED
OUTPUT VOLTAGE 1.5V, 1.8V, 2.5V, 2.85V,
3.3V, 3.6V, 5V.
s GUARANTEED OUTPUT CURRENT UP TO
5A
s OUPUT TOLERANCE ±1% AT 25°C AND
±2% IN FULL TEMPERATURE RANGE FOR
THE "A" VERSION
s OUPUT TOLERANCE ±2% AT 25°C AND
±3% IN FULL TEMPERATURE RANGE
INTERNAL POWER AND THERMAL LIMIT
s WIDE OPERATING TEMPERATURE RANGE
-40°C TO 125°C
s PACKAGE AVAILABLE : TO-220, D2PAK,
D2PAK/A, DPAK
s PINOUT COMPATIBILITY WITH STANDARD
ADJUSTABLE VREG
DESCRIPTION
The KD1084 is a LOW DROP Voltage Regulator
able to provide up to 5A of Output Current.
Dropout is guaranteed at a maximum of 1.5V at
the maximum output current, decreasing at lower
loads. The KD1084 is pin to pin compatible with
the older 3-terminal adjustable regulators, but has
better performances in term of drop and output
tolerance .
SCHEMATIC DIAGRAM
TO-220
D2PAK
DPAK
D2PAK/A
A 2.85V 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 KD1084 quiescent current flows into
the load, so increase efficiency. Only a 10µF
minimum capacitor is need for stability.
The devices are supplied in TO-220, D2PAK,
D2PAK/A and DPAK. On chip trimming allows the
regulator to reach a very tight output voltage
tolerance, within ±1% at 25°C for "A" version and
±2% at 25°C for standard version.
May 2002
1/18
1 page  
KD1084 SERIES
ELECTRICAL CHARACTERISTICS OF KD1084A#25 (VI=5.5V, CI = CO =10µF (Tant.), TA = -40 to
125°C, unless otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
Iq
Isc
SVR
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 0 mA TJ = 25°C
IO = 0 to 5A VI = 4.1 to 10V
IO = 0 mA VI = 4.1 to 10V TJ = 25°C
IO = 0 mA VI = 4.1 to 10V
IO = 0 to 5A TJ = 25°C
IO = 0 to 5A
IO =5 A
VI ≤ 10V
VI - VO = 5V
TA = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, IO = 5A
VI = 6 ± 1.5V
TA = 25°C f =10Hz to 10KHz
TA = 125°C 1000Hrs
Min.
2.475
2.45
5.5
60
Typ.
2.5
2.5
0.5
1
3
7
1.3
5
7
0.003
72
Max.
2.525
2.55
6
6
15
20
1.5
10
0.015
0.003
0.5
0.5
Unit
V
V
mV
mV
mV
V
V
mA
A
%/W
dB
%
%
%
ELECTRICAL CHARACTERISTICS OF KD1084A#285 (VI=5.85V, CI = CO =10µF (Tant.), TA = -40 to
125°C, unless otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
Iq
Isc
SVR
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 0 mA TJ = 25°C
IO = 0 to 5A VI = 4.5 to 10V
IO = 0 mA VI = 4.5 to 10V TJ = 25°C
IO = 0 mA VI = 4.5 to 10V
IO = 0 to 5A TJ = 25°C
IO = 0 to 5A
IO =5 A
VI ≤ 10V
VI - VO = 5V
TA = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, IO = 5A
VI = 6.35 ± 1.5V
TA = 25°C f =10Hz to 10KHz
TA = 125°C 1000Hrs
Min.
2.821
2.793
5.5
60
Typ.
2.85
2.85
0.5
1
3
7
1.3
5
7
0.003
72
Max.
2.879
2.907
6
6
15
20
1.5
10
0.015
0.003
0.5
0.5
Unit
V
V
mV
mV
mV
V
V
mA
A
%/W
dB
%
%
%
5/18
5 Page 
KD1084 SERIES
ELECTRICAL CHARACTERISTICS OF KD1084#5 (VI=8V, CI = CO =10µF (Tant.), TA = -40 to 125°C,
unless otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
Iq
Isc
SVR
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 0 mA TJ = 25°C
IO = 0 to 5A VI = 6.6 to 10V
IO = 0 mA VI = 6.6 to 10V TJ = 25°C
IO = 0 mA VI = 6.6 to 10V
IO = 0 to 5A TJ = 25°C
IO = 0 to 5A
IO =5 A
VI ≤ 10V
VI - VO = 5V
TA = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, IO = 5A
VI = 8.5 ± 1.5V
TA = 25°C f =10Hz to 10KHz
TA = 125°C 1000Hrs
Min.
4.9
4.85
5.5
60
Typ.
5
5
0.5
1
5
10
1.3
5
7
0.003
72
Max.
5.1
5.15
10
10
20
35
1.5
10
0.015
Unit
V
V
mV
mV
mV
V
V
mA
A
%/W
dB
0.003
0.5
0.5
%
%
%
ELECTRICAL CHARACTERISTICS OF KD1084 (VI=4.25V, CI = CO =10µF (Tant.), TA = -40 to 125°C,
unless otherwise specified.)
Symbol
Parameter
Test Conditions
VO
∆VO
∆VO
Vd
IO(min)
Isc
SVR
IADJ
∆IADJ
eN
S
S
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Minimum Load Current
Short Circuit Current
Termal Regulation
Supply Voltage Rejection
Adjust Pin Current
Adjust Pin Current Change
RMS Output Noise Voltage
(% of VO)
Temperature Stability
Long Term Stability
IO = 10mA TJ = 25°C
IO = 10mA to 5A VI = 2.85 to 10V
IO = 10mA VI = 2.85 to 10V TJ = 25°C
IO = 10mA VI = 2.85 to 10V
IO = 10mA to 5A TJ = 25°C
IO = 10mA to 5A
IO = 5A
VI = 10V
VI - VO = 5V
TA = 25°C, 30ms pulse
f = 120 Hz, CO = 25 µF, CADJ = 25 µF,
IO = 5A
VI = 4.75 ± 1.5V
VI = 4.25V IO = 10 mA
IO = 10mA to 5A VI = 2.85 to 10V
TA = 25°C f =10Hz to 10KHz
TA = 125°C 1000Hrs
Min.
1.225
1.213
5.5
60
Typ.
1.25
1.25
0.015
0.035
1
0.2
1.3
3
7
0.003
72
Max.
1.275
1.287
0.2
0.2
0.3
0.4
1.5
10
0.015
55
0.2
0.003
120
5
0.5
0.5
Unit
V
V
%
%
%
%
V
mA
A
%/W
dB
µA
µA
%
%
%
11/18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet KD1084.PDF ] | |
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