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PDF RC1616 Data sheet ( Hoja de datos )
| Número de pieza | RC1616 | |
| Descripción | 0.5A Adjustable/Fixed Low Dropout Linear Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RC1616 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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www.fairchildsemi.com
RC1616
0.5A Adjustable/Fixed Low Dropout Linear Regulator
Features
• Low dropout voltage
• Load regulation: 0.05% typical
• Current limit
• On-chip thermal limiting
• Standard SOT-223 and TO-252 packages
• Three-terminal adjustable or fixed 2.5V, 3.3V or 5V
Applications
• USB Controlled Power Supply
• High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA based systems
• Post regulators for switching supplies
• Battery chargers
• 5V to 3.3V, or 2.5V, 1.8V, 1.5V linear regulators
• Motherboard clock supplies
• SDRAM Module supplies
Description
The RC1616 and RC1616-2.5, -3.3 and -5 are low dropout
three-terminal regulators with 0.5A output current capability.
These devices have been optimized for low voltage where
transient response and minimum input voltage are critical.
The 5V version is designed also to be used in USB Hub and
Motherboard applications.
On-chip thermal limiting provides protection against any
combination of overload and ambient temperature that
would create excessive junction temperatures.
Unlike PNP type regulators where up to 10% of the output
current is wasted as quiescent current, the bias current of the
RC1616 flows into the load, increasing efficiency.
The RC1616 series regulators are available in the industry-
standard SOT-223 and TO-252 power packages.
Typical Applications
VIN = 3.3V
10µF
+
RC1616
VIN VOUT
ADJ
124Ω
+ 1.5V at 0.5A
22µF
24.9Ω
VIN = 5V
10µF
+
RC1616-3.3
VIN VOUT
GND
+ 3.3V at 0.5A
22µF
REV. 1.0.8 5/20/02
1 page  
RC1616
Typical Performance Characteristics (continued)
PRODUCT SPECIFICATION
1.50
1.25
1.00
0.75
0.50
-75 -50 -25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
Figure 7. Short-Circuit Current vs. Temperature
90
80
70
60
50
40
30
20 (VIN - VOUT) ≤ 3V
0.5 ≤ VRIPPLE ≤ 2V
10 IOUT = 0.5A
0
10 100
1K
10K
FREQUENCY (Hz)
100K
Figure 8. Ripple Rejection vs. Frequency
4
TO-252
3
2
SOT-223
1
0
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
Figure 9. Maximum Power Dissipation
REV. 1.0.8 5/20/02
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet RC1616.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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