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LA5779MP датащи(PDF) 2 Page - Sanyo Semicon Device

номер детали LA5779MP
подробное описание детали  Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type)
PDF  4 Pages
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA5779MP датащи(HTML) 2 Page - Sanyo Semicon Device

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LA5779MP
No.A0498-2/4
Electrical Characteristics at Ta
= 25°C, VO = 3.3V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Reference voltage
VOS
VIN = 15V, IO = 1.0A
1.20
1.23
1.26
V
Efficiency
η
VIN = 15V, IO = 1.0A, Set VO = 5V
84
%
Switching frequency
f
VIN = 15V, IO = 1.0A
128
160
192
kHz
Switching frequency when
short-circuit protection is active
fshort
VIN = 15V, VOS = 0V
15
30
45
kHz
Line regulation
∆VOLINE
VIN = 8 to 20V, IO = 1.0A
40
100
mV
Load regulation
∆VOLOAD
VIN = 15V, IO = 0.5 to 1.5A
10
30
mV
Output voltage temperature
coefficient
∆VO/∆Ta
Designed target value. *
±0.5
mV/
°C
Ripple attenuation factor
RREJ
f = 100 to 120Hz
45
dB
Output leak current
IOleak
VIN = 15V, SWOUT = -0.4V
50
µA
Current limiter operating voltage
IS
VIN = 15V
3.1
A
Operating current
IVIN
VIN = 15V
5.6
mA
Standby current
ISTBY
VIN = 15V, ENA = 5V
50
100
µA
ENA pin LOW voltage range
VENAL
0.6
V
ENA pin HIGH voltage range
VENAH
2.4
VIN
V
Thermal shutdown operating
temperature
TSD
Designed target value. *
165
°C
Thermal shutdown Hysteresis
width
∆TSD
Designed target value. *
15
°C
* Design target value: No measurement made.
Package Dimensions
unit : mm (typ)
3275
Pin Assignment
(1) VIN (2) SWOUT (3) GND (4) VOS (5) ENA
SANYO : SMP5
10.0
1.3
4.5
2.7
0.4
1.7
(1.6)
0.9
15
0.2
Ambient temperature, Ta -
°C
140
120
100
80
60
40
20
0
-20
-30
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Pd max - Ta
MSG06072
160
4.5
3.90
Specified sbstrate: 76.1
×114.3×1.6mm3
Copper foil ratio 60% FR4



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