LA5779N Ver la hoja de datos (PDF) - SANYO -> Panasonic
Número de pieza
componentes Descripción
Fabricante
LA5779N Datasheet PDF : 4 Pages
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LA5779N
Electrical Characteristics at Ta = 25°C, VO = 3.3V
Parameter
Symbol
Conditions
Reference voltage
Efficiency
VOS
η
Switching frequency
f
Switching frequency when
short-circuit protection is active
Line regulation
Load regulation
Output voltage temperature
coefficient
Ripple attenuation factor
fshort
∆VOLINE
∆VOLOAD
∆VO/∆Ta
RREJ
Output leak current
IOleak
Current limiter operating voltage
IS
Operating current
IVIN
Standby current
ISTBY
ENA pin LOW voltage range
VENAL
ENA pin HIGH voltage range
VENAH
Thermal shutdown operating
TSD
temperature
Thermal shutdown Hysteresis
∆TSD
width
* Design target value: No measurement made.
VIN = 12V, IO = 1.0A
VIN = 15V, IO = 1.0A, Set VO = 5V
VIN = 15V, IO = 1.0A
VIN = 15V, VOS = 0V
VIN = 8 to 20V, IO = 1.0A
VIN = 15V, IO = 0.5 to 1.5A
Designed target value. *
f = 100 to 120Hz
VIN = 15V, SWOUT = -1V
VIN = 15V
VIN = 15V
VIN = 15V, ENA = 5V
Designed target value. *
Designed target value. *
min
1.193
128
15
Ratings
typ
1.23
84
160
30
40
10
±0.5
45
3.1
5.6
2.4
165
15
Unit
max
1.267
V
%
192 kHz
45 kHz
100 mV
30 mV
mV/°C
dB
50 µA
A
mA
200 µA
0.6
V
VIN
V
°C
°C
Package Dimensions
unit : mm (typ)
3343
10.4MAX
3.6
10.0
4.5
1.3
0.9
1
5
2
0.8 0.4
(1.6)
1.7
2.7
4.5
8.4
Pd max -- Ta
10.0
8.0 100×100×1.5mm3
7.5
Infinitely large heat sink
θjc=5°C/W
6.0 50×50×1.5mm3
5.6
Al heat
sink plate
4.0 30×30×1.5mm3
3.3
tightening
torque
39N.cm
2.0 No heat sink
1.75
With
silicone
grease
0
--30 0
applied.
20 40 60 80 100 120 140 160
Ambient temperature, Ta -- °C PCA00833
SANYO : 220-5HK
Pin Assignment
(1) VIN (2) SWOUT (3) GND (4) VOS (5) ENA
No.A0795-2/4
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