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参数资料
| 型号： | LA5647H |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28 |
| 封装： | 0.375 INCH, HSOP-28 |
| 文件页数： | 1/12页 |
| 文件大小： | 145K |
| 代理商： | LA5647H |
70407 MS PC B8-5299 No.A0371-1/12
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
'sproductsor
equipment.
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.
LA5647H
Overview
The LA5647H power supply IC provides a set of functions optimal for car audio applications. These functions include
regulators, emitter-follower outputs, open-collector outputs, and a reset function.
Features
5V/50mA regulator (always on, with reverse current flow prevention function).
10V/2000mA regulator (when used with an external 2SB921 PNP transistor) with standby function (on/off control).
Regulators (four for 8V systems and one 5V system) with on/off functions controlled by a shift resister/latch function.
This IC also provides four open-collector output systems and two emitter-follower type output systems.
Full complement of built-in protection circuits.
1) Overcurrent protection for each VO except the open collector outputs.
2) Thermal protection for each VO except the VDD5V output.
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VCC max
24
V
Ta
≤ 25°C, Independent IC
0.82
W
Allowable power dissipation
Pd max
Ta
≤ 25°C, Mounted substrate *
2.01
W
Thermal junction to ambient air
thermal resistance
θj-a
152.4
°C/W
Operating temperature
Topr
-30 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
* Mounted substrate : 114.3mm
×76.1mm×1.6mm, glass epoxy board.
Monolithic Linear IC
For Car AV Equipment
Multifunction Multi-Voltage Power Supply
Ordering number : ENA0371A
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