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PDF LA5779MP Data sheet ( Hoja de datos )
| Número de pieza | LA5779MP | |
| Descripción | Separately-excited Step-down Switching Regulator | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA0498
LA5779MP
Monolithic Linear IC
Separately-excited Step-down
Switching Regulator
(Variable Type)
http://onsemi.com
Overview
The LA5779MP is a Separately-excited step-down switching regulator (variable type).
Functions
• High efficiency.
• Six external parts.
• Time-base generator (160kHz) incorporated.
• Current limiter incorporated.
• Thermal shutdown circuit incorporated.
• ON/OFF function.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum Input voltage
Maximum Output current
SW pin application reverse voltage
Allowable power dissipation
VIN max
IO max
VSW
Pd max
Mounted on a substrate.*
Operating temperature
Topr
Storage temperature
Tstg
* Specified substrate : 76.1×114.3×1.6mm3 : Copper foil ratio 60％ FR4
Ratings
30
3
-1
3.9
-30 to +125
-40 to +150
Unit
V
A
V
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 28
Unit
V
Semiconductor Components Industries, LLC, 2013
August, 2013
N1306 MS PC 20060411-S00008 No.A0498-1/4
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LA5779MP.PDF ] | |
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