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PDF SC20A Data sheet ( Hoja de datos )
| Número de pieza | SC20A | |
| Descripción | non-isolated DC-DC converter | |
| Fabricantes | Bourns Electronic Solutions | |
| Logotipo |  |
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SC20A SERIES
HDLV
Family
Description
The SC20A is a low-cost, 20-Amp, non-isolated DC-DC converter with
an amazingly small footprint of only 0.8 in2. Designed for today's high
power microprocessors, the SC20A accepts either 5 V or 3.3 V inputs and
offers outputs from 1.3 V to 3.3 V. The SC20A also uses an industry-
standard pin-out making it easy to increase power in existing designs.
Using Bourns Switch Power's proprietary V2TM architecture, the SC20A
provides ultrafast transient response, improved line and load regulation, and
very high efficiency. It also incorporates short-circuit protection, Enable / Disable
control, output voltage trim, and remote sense.
Features
• Low Cost
• 20-Amp Output Current
• 90 % Efficiency
• Industry-standard Pin-out
• Low 0.6 " Profile
• Nonisolated Output
• Remote Sense
• Trim Function
• Enable / Disable
• Short-circuit Protection
with auto-restart
• Fast Transient Response
• High-temperature
Operation
• Output Precharge
Capability
Patents 5,770,940
5,978,195
6,127,814
Input
Voltage
Current
Control Voltage
High = Disable
Low = Enable
E/D Current
Common Specifications
Min Nom Max Units Notes
4.5 5 5.5 Vdc 4.75 Vin Startup
3.0 3.3 3.6 Vdc
20 A
2.4 Vdc Source 500 mA
0.4 Vdc Open=Enable
1 mA
Output
Current
Voltage Setpoint Accuracy
Voltage Trim Range
Line Regulation
Load Regulation
Current Limit
Dynamic Response
0 to 20 A load
-10
22
20 to 0 A load
Temperature Regulation
±0.1
±0.3
25
20 A
±2 %Vnom
+10 %Vnom
%Vnom
%Vnom
34 A
200 mV ∆i/∆t = 3 A/µs
19 µs
200 mV ∆i/∆t = 3 A/µs
19 µs
±0.02 %Vout/°C
General
MTBF
Operating Temperature
Storage Temperature
Switching Frequency
1,000
-25 85
-40 85
-40 125
200 300 400
kHrs
°C
°C
°C
kHz
Bellcore TR332, 25 °C
optional
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe:
TEL +41-41 768 5555 • FAX +41-41 768 5510
The Americas: TEL +1-951 781 5500 • FAX +1-951 781-5700
www.bourns.com
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
DataSheet4 U .com
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SC20A.PDF ] | |
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