参数资料
型号: LA5751
元件分类: 稳压器
英文描述: 3 A SWITCHING REGULATOR, 72 kHz SWITCHING FREQ-MAX, PZFM5
封装: TO-220, 5 PIN
文件页数: 2/5页
文件大小: 66K
代理商: LA5751
LA5751
No.A0945-2/5
SANYO : 220-5H
1
5
0.8
10.4max
10.0
3.6
4.5
1.3
2.7
23.0
21.3
17.8
15.0
0.9
2.7
0.45
4.5
8.4
1.7
(1.6)
(8.8)
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Input voltage range
VIN
5.5 to 28
V
Operating junction temperature range
Tj op
-30 to +150
°C
Electrical Characteristics at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Output voltage
VO
VIN = 15V, IO = 1.0A
3.17
3.30
3.43
V
Efficiency
η
VIN = 15V, IO = 1.0A
79
%
Switching frequency
f
VIN = 15V, IO = 1.0A
48
60
72
kHz
Line regulation
VOLINE
VIN = 8 to 20V, IO = 1.0A
25
80
mV
Load regulation
VOLOAD
VIN = 15V, IO = 0.5 to 1.5A
10
30
mV
Output voltage temperature coefficient
VO/Ta
±0.5
mV/
°C
Ripple attenuation factor
RREJ
f = 100 to 120Hz
45
dB
Current limiter operating voltage
IS
VIN = 15V
3.1
A
Thermal shutdown operating temperature
TSD
Designed target value*
165
°C
Thermal shutdown hysteresis width
TSD
Designed target value*
15
°C
* Designed target value: No measurement made.
Package Dimensions
unit : mm (typ)
3079C
Pin Assignment
(1)VIN (2)SWOUT (3)GND (4)VOS (5)SS
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
Allowable
power
dissipation,
Pd
max
-
-W
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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