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PDF RC1584 Data sheet ( Hoja de datos )
| Número de pieza | RC1584 | |
| Descripción | 7A Adjustable/Fixed Low Dropout Linear Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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RC1584
7A Adjustable/Fixed Low Dropout Linear Regulator
Features
• Fast transient response
• Low dropout voltage at up to 7A
• Load regulation: 0.05% typical
• Trimmed current limit
• On-chip thermal limiting
• Standard TO-220, TO-263 and TO-263 center cut
packages
Applications
• Pentium® Class GTL+ bus supply
• Low voltage logic supply
• Post regulator for switching supply
Description
The RC1584 and RC1584-1.5 are low dropout three-terminal
regulators with 7A output current capability. These devices
have been optimized for low voltage applications including
VTT bus termination, where transient response and minimum
input voltage are critical. The RC1584 is ideal for low
voltage microprocessor applications requiring a regulated
output from 1.5V to 3.6V with an input supply of 5V or less.
The RC1584-1.5 offers fixed 1.5V with 7A current capabil-
ity for GTL+ bus VTT termination.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal limiting
provides protection against any combination of overload and
ambient temperature that would create excessive junction
temperatures.
The RC1584 and RC1584-1.5 are available in the industry-
standard TO-220, TO-263 and TO-263 center cut power
packages.
Typical Applications
VIN = 3.3V
10µF
+
RC1584
VIN VOUT
ADJ
124Ω
1.5V at 7A
+
22µF
24.9Ω
VIN = 3.3V
10µF
+
RC1584-1.5
VIN VOUT
GND
1.5V at 7A
+
22µF
65-1584-16
Pentium is a registered trademark of Intel Corporation.
REV. 1.0.5 7/13/00
1 page  
PRODUCT SPECIFICATION
RC1584
Typical Performance Characteristics (continued)
10
9
8
7
6
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
Figure 7. Short-Circuit Current vs. Temperature
90
80
70
60
50
40
30
20 (VIN – VOUT) ≤ 3V
0.5V ≤ VRIPPLE ≤ 2V
10 IOUT = 7A
0
10 100
1K
10K 100K
FREQUENCY (Hz)
Figure 8. Ripple Rejection vs. Frequency
20
15
10
5
0
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
Figure 9. Maximum Power Dissipation
REV. 1.0.5 7/13/00
5
5 Page 
PRODUCT SPECIFICATION
Mechanical Dimensions (continued)
3-Lead TO-220 Package
Symbol
A
b
b1
c1
øP
D
E
e
e1
e3
F
H1
J1
L
L1
Q
α
Inches
Min. Max.
.140 .190
.015 .040
.045 .070
.014 .022
.139 .161
.560 .650
.380 .420
.090 .110
.190 .210
.045 —
.020 .055
.230 .270
.080 .115
.500 .580
.250 BSC
.100 .135
3° 7°
Millimeters
Min. Max.
3.56 4.83
.38 1.02
1.14 1.78
.36 .56
3.53 4.09
14.22 16.51
9.65 10.67
2.29 2.79
4.83 5.33
1.14 —
.51 1.40
5.94 6.87
2.04 2.92
12.70 14.73
6.35 BSC
2.54 3.43
3° 7°
Notes
Notes:
1. Dimension c1 apply for lead finish.
e
e1
L
e3 b1
b
L1
H1
Q
E
E-PIN øP
c1
J1
α (5X)
D
A
RC1584
F
REV. 1.0.5 7/13/00
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet RC1584.PDF ] | |
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