RC1585 Datasheet PDF - Fairchild Semiconductor
| Part Number | RC1585 | |
| Description | 5A Adjustable/Fixed Low Dropout Linear Regulator | |
| Manufacturers | Fairchild Semiconductor | |
| Logo |  |
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www.fairchildsemi.com
RC1585
5A Adjustable/Fixed Low Dropout Linear Regulator
Features
• Fast transient response
• Low dropout voltage at up to 5A
• Load regulation: 0.05% typical
• Trimmed current limit
• On-chip thermal limiting
• Standard TO-220, TO-263, TO-263 center cut and TO-252
packages
Applications
• Pentium® class GTL+ bus supply
• Low voltage logic supply
• Post regulator for switching supply
Typical Applications
Description
The RC1585 and RC1585-1.5 are low dropout three-terminal
regulators with 5A output current capability. These devices
have been optimized for low voltage applications including
VTT bus termination, where transient response and mini-
mum input voltage are critical. The RC1585 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 RC1585-1.5 offers fixed 1.5V with 5A current capabili-
ties for GTL+ bus VTT termination.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal limit-
ing provides protection against any combination of overload
and ambient temperature that would create excessive junc-
tion temperatures.
The RC1585 series regulators are available in the industry-
standard TO-220, TO-263, TO-263 center cut and TO-252
power packages.
VIN = 3.3V
10µF
+
RC1585
VIN VOUT
ADJ
124Ω
1.5V at 5A
+
22µF
24.9Ω
VIN = 3.3V
10µF
+
RC1585-1.5
VIN VOUT
GND
1.5V at 5A
+
22µF
65-1585-01a
Pentium is a registered trademark of Intel Corporation.
REV. 1.1.4 10/8/02
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PRODUCT SPECIFICATION
Typical Performance Characteristics (continued)
RC1585
8.0
7.0
6.0
5.0
4.0
-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 = 5A
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. 1.1.4 10/8/02
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for RC1585 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ RC1585.PDF Datasheet ] | |
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