파트넘버.co.kr LA5753 데이터시트 PDF


LA5753 반도체 회로 부품 판매점

Monolithic Linear IC Separately-Excited Step-Down Switching Regulator



Sanyo Semicon Device 로고
Sanyo Semicon Device
LA5753 데이터시트, 핀배열, 회로
Ordering number : ENA0949
LA5753
Monolithic Linear IC
Separately-excited Step-down
Switching Regulator (12V)
www.DataSheetO4Uv.ceomrview
The LA5753 is a separately-excited step-down switching regulator (12V).
Features
High efficiency
Four external parts
Time-base generator (60kHz) incorporated
Current limiter incorporated
Thermal shutdown circuit incorporated
Soft start circuit incorporated
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Input voltage
Output current
SW pin application reverse voltage
Allowable power dissipation
Junction temperature
Operating temperature
Storage temperature
Symbol
VIN max
IO max
Vsw
Pd max1
Pd max2
Tj max
Topr
Tstg
Conditions
Infinite heat sink.
No heat sink.
Ratings
30
3
-1
7.5
1.75
150
-30 to +125
-40 to +150
Unit
V
A
V
W
W
°C
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
91907 MS PC B8-8721 No.A0949-1/5


LA5753 데이터시트, 핀배열, 회로
LA5753
Recommended Operating Conditions at Ta = 25°C
Parameter
Input voltage range
Operating junction temperature range
Symbol
VIN
Tj op
Conditions
Ratings
15 to 28
-30 to +150
Unit
V
°C
Electrical Characteristics at Ta = 25°C
Parameter
Symbol
Output voltage
Efficiency
VO
η
Switching frequency
f
Line regulation
www.DataSheet4ULo.acdomregulation
VOLINE
VOLOAD
Output voltage temperature coefficient
VO/Ta
Ripple attenuation factor
RREJ
Current limiter operating voltage
IS
Thermal shutdown operating temperature TSD
Thermal shutdown hysteresis width
TSD
* Designed target value: No measurement made.
Package Dimensions
unit : mm (typ)
3079C
10.4max
10.0
3.6
4.5
1.3
0.9 2.7
1
(1.6)
5
0.8
1.7
0.45
4.5
8.4
Conditions
VIN = 24V, IO = 1.0A
VIN = 24V, IO = 1.0A
VIN = 24V, IO = 1.0A
VIN=18 to 28V, IO=1.0A
VIN = 24V, IO = 0.5 to 1.5A
f = 100 to 120Hz
VIN = 24V
Designed target value*
Designed target value*
min
11.5
48
3.1
Ratings
typ
12.0
90
60
60
10
±1.0
45
165
15
max
12.5
72
130
40
Unit
V
%
kHz
mV
mV
mV/°C
dB
A
°C
°C
Pd max -- Ta
10.0
8.0 100×100×1.5mm3
7.5
Infinite heat sink θjc=5°C
6.0 50×50×1.5mm3
5.6
4.0 30×30×1.5mm3
3.3
2.0 No heat sink
1.75
Al heat
sink
mounting
torque
39Ncm
silicone
grease
applied
0
-30 -20
0 20 40 60 80 100 120 140 160
Ambient temperature, Ta -- °C MSG07021
SANYO : 220-5H
Pin Assignment
(1)VIN (2)SWOUT (3)GND (4)VOS (5)SS
No.A0949-2/5




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LA5753 regulator

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