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• Efficiency Up to 92%
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• Simple and Easy to Design Using Off-the-Shelf External Components
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• 120-mΩ DMOS Output Switch
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| • 3.3-V, 5-V, and 12-V Fixed Output and Adjustable(1.2 V to 37 V) Versions
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| • 50-μA Standby Current When Switched OFF |
| • ±2% Maximum Output Tolerance Over Full Line and Load Conditions |
| • Wide Input Voltage Range: 8 V to 40 V |
| • 260-kHz Fixed Frequency Internal Oscillator |
|
| CATALOG |
| LM2678SX-5.0/NOPB COUNTRY OF ORIGIN |
LM2678SX-5.0/NOPB PARAMETRIC INFO
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LM2678SX-5.0/NOPB PACKAGE INFO
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LM2678SX-5.0/NOPB MANUFACTURING INFO
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LM2678SX-5.0/NOPB PACKAGING INFO
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LM2678SX-5.0/NOPB EACD MODELS
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| LM2678SX-5.0/NOPB APPLICATIONS |
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| COUNTRY OF ORIGIN |
| Malaysia |
| China |
|
PARAMETRIC INFO
|
| type |
Step Down |
| Number of Outputs |
1 |
| Minimum Input Voltage (V) |
8 |
| Maximum Input Voltage (V) |
40 |
| Output Voltage (V) |
5 |
| Maximum Output Current (A) |
5 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
125 |
| Switching Frequency (kHz) |
260(Typ) |
| Efficiency (%) |
84(Typ) |
| Switching Regulator |
yes |
| Operating Supply Voltage (V) |
8 to 40 |
| Output Type |
Fixed |
| Typical Quiescent Current (uA) |
4200 |
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PACKAGE INFO
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| Supplier packaging |
TO-263 |
| Basic package type |
Lead-Frame SMT |
| Number of pins |
8 |
| Pin shape |
Gull-wing |
| PCB |
7 |
| ears |
ears |
| Pin spacing (mm) |
1.27 |
| Package length (mm) |
10.41(Max) |
| Package width (mm) |
9.4(Max) |
| Package height (mm) |
4.65(Max) |
| Package diameter (mm) |
N/R |
| Mounting surface height (mm) |
4.96(Max) |
| Install |
Surface Mount |
| Package weight (g) |
not applicable |
| Packaging materials |
Plastic |
| package instruction |
Double Deca Watt Package |
| Package series name |
TO-263 |
| Package outline |
Link to datasheet |
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|
MANUFACTURING INFO
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| MSL |
3 |
| Maximum reflow temperature (°C) |
245 |
| Reflow soldering time (seconds) |
30 |
| Number of reflow cycles |
3 |
| standard |
J-STD-020D |
| Reflow temperature source |
Link to datasheet |
| Maximum wave soldering temperature (°C) |
N/R |
| Wave soldering time (seconds) |
N/R |
| Lead Finish(Plating) |
Matt Sn |
| Plating materials |
not applicable |
| Terminal Base Material |
Cu Alloy |
|
|
PACKAGING INFO
|
| Packaging Suffix |
X |
| Package |
Tape and reel packaging |
| Packing quantity |
500 |
| packaging type file |
Link to datasheet |
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ECAD MODELS
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APPLICATIONS
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• Simple-to-Design, High Efficiency (>90%) StepDown Switching Regulators
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| • Efficient System Preregulator for Linear Voltage Regulators |
| • Battery Chargers |
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