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LA5759 Folha de dados(PDF) 2 Page - ON Semiconductor

Nome de Peças LA5759
Descrição Electrónicos  Separately-excited Step-down Switching Regulator
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Fabricante Electrônico  ONSEMI [ON Semiconductor]
Página de início  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LA5759 Folha de dados(HTML) 2 Page - ON Semiconductor

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LA5759
No.A1683-2/4
Electrical Characteristics at Ta
= 25°C, VO = 3.3V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Reference voltage
VOS
1.235
1.26
1.285
V
Efficiency
η
78
%
Switching frequency
f
VIN = 15V, IO = 1.0A
60
80
100
kHz
Line regulation
ΔVOLINE
VIN= 8 to 20V, IO=1.0A
40
100
mV
Load regulation
ΔVOLOAD
VIN = 15V, IO = 0.5 to 1.5A
10
30
mV
Output voltage temperature coefficient
ΔVO/ΔTa
Designed target value*
±0.5
mV/
°C
Ripple attenuation factor
RREJ
f = 100 to 120Hz
45
dB
Current limiter operating voltage
IS
VIN = 15V
5.4
A
Thermal shutdown operating temperature
TSD
Designed target value*
165
°C
Thermal shutdown hysteresis width
ΔTSD
Designed target value*
15
°C
* Designed target value: No measurement made.
Package Dimensions
unit : mm (typ)
3376
Pin Assignment
(1)VIN (2)SWOUT (3)GND (4)VOS (5)SS
SANYO : 220-5HMDB
0.9
1.3
4.5
0.8
1.7
(1.6)
12
5
0.4
10.0
10.4 MAX
3.6
7.05
3.15
140
120
100
80
60
40
20
0
-20
-30
0
2.0
4.0
6.0
8.0
MSG07021
160
10.0
7.5
5.6
3.3
1.75
Ambient temperature, Ta --
°C
Pd max -- Ta
100
×100×1.5mm3
50
×50×1.5mm3
30
×30×1.5mm3
No heat sink
Infinite heat sink
θjc=5°C
Al heat
sink
mounting
torque
39N
⋅cm
silicone
grease
applied


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