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PDF LA5756 Data sheet ( Hoja de datos )
| Número de pieza | LA5756 | |
| Descripción | Separately-excited Step-down Switching Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA1438B
LA5756
Monolithic Linear IC
Separately-excited Step-down
Switching Regulator
(Variable Type)
http://onsemi.com
Overview
The LA5756 is a separately-excited step-down switching regulator (variable type).
Features
• Output smoothing condenser can use a Low ESR condenser for the reliability improvement
• High efficiency
• Four external parts
• Time-base generator (80kHz) incorporated
• Current limiter incorporated
• Thermal shutdown circuit incorporated
• Soft start circuit incorporated
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Input voltage
Output current
SW pin application reverse
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VIN max
IO max
VSW
Pd max1
Pd max2
Topr
Tstg
Conditions
Infinite heat sink.
No heat sink.
Ratings
34
3.5
-1
7.5
1.75
-30 to +125
-40 to +150
Unit
V
A
V
W
W
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Conditions at Ta = 25°C
Parameter
Input voltage range
Symbol
VIN
Conditions
Ratings
4.5 to 32
Unit
V
Semiconductor Components Industries, LLC, 2013
August, 2013
62409 SY 20090611-S00001 / 41509 MS / 40809 MS 20090326-S00003 No.A1438-1/4
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LA5756.PDF ] | |
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