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

device, the customer should always evaluate and test devices mounted in the customer

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. 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 new introduction or other application different

from current conditions on the usage of automotive device, communication device, office equipment, industrial

equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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.

32812 SY 20120207-S00001 No.A2021-1/6

LA5724MC

Overview

The LA5724MC is a separately-excited step-down switching regulator (variable type).

Functions

• Time-base generator (160kHz) incorporated.

• Current limiter incorporated.

• Thermal shutdown circuit incorporated.

Specifications

Absolute Maximum Ratings

at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Input voltage

VIN

30

V

SW pin application reverse voltage

VSW

-1

V

VOS pin application voltage

VVOS

-0.2 to 7

V

Allowable power dissipation

Pd max

Mounted on a circuit board.*

0.8

W

Operating temperature

Topr

-30 to +125

°C

Storage temperature

Tstg

-40 to +150

°C

Junction temperature

Tj max

150

°C

* Specified circuit board : 114.3

Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.

Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high

voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.

Recommended Operating Conditions

at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Input voltage range

VIN

4.5 to 28

V

Monolithic Linear IC

Separately-Excited Step-Down

Switching Regulator

(Variable Type)

Ordering number : ENA2021