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PDF FAN1616ASX Data sheet ( Hoja de datos )
| Número de pieza | FAN1616ASX | |
| Descripción | 0.5A Adjustable/Fixed Low Dropout Linear Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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www.fairchildsemi.com
FAN1616A
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 1.8V, 2.5V, 3.3V or 5V
• Specified from -40°C to +125°C
Applications
• USB Controlled Power Supply
• High efficiency linear regulators for Mixed Voltage
Logic, ASIC, FPGA based systems
• Post regulators for switching supplies
• Battery chargers
• 12V to 5V, 3.3V, 2.5V, 1.8V, or adj linear regulators
• Motherboard clock supplies
• SDRAM Module supplies
Description
The FAN1616A, FAN1616A-1.8, -2.5, -3.3 and -5 are low
dropout three-terminal regulators with 0.5A output current
capability. These devices have been optimized for applica-
tions where transient response and minimum dropout 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
FAN1616A flows into the load, increasing efficiency.
The FAN1616A series regulators are available in the
industry-standard SOT-223 and TO-252 power packages.
Typical Applications
VIN = 12V
10µF
+
FAN1616A
VIN VOUT
ADJ
VOUT = VREF(1 + R2/R1) + IAdj • R2
VIN = 9V
10µF
+
FAN1616A-3.3
VIN VOUT
GND
R1
124Ω
+ 9V at 0.5A
22µF
R2
768Ω
+ 3.3V at 0.5A
22µF
REV. 1.0.5 3/1/02
1 page  
FAN1616A
PRODUCT SPECIFICATION
Typical Performance Characteristics (continued)
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. 1.0.5 3/1/02
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet FAN1616ASX.PDF ] | |
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