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LA5683T

4ch Switching Regulator Control IC

SANYO -> Panasonic 

Ordering number : EN8214

Monolithic Linear IC

LA5683T 4ch Switching Regulator Control IC

Overview

The LA5683T is 4ch switching regulator control IC.

Functions

• Low-voltage operation (minimum 1.8V).

• OUT1 and OUT2 can drive external PNP transistors.

• OUT3 and OUT4 can drive external NPN transistors.

• 4-independent-channel standby circuit built-in.

• ±1% accuracy reference voltage.

• Supports MOS transistor drive.

• Channel 2 dead time internally set fixed, duty cycle = 100%.

(The dead time for channels 1, 3, and 4 are set externally.)

Specifications

Maximum Ratings at Ta = 25°C

Parameter

Supply voltage 1

Allowable power dissipation

Operating temperature

Storage temperature

Symbol

VCC max

Pd max

Topr

Tstg

Conditions

Independent IC

Ratings

Unit

9

V

0.4

W

-20 to +85

°C

-55 to +150

°C

Operating Conditions at Ta = 25°C

Parameter

Supply voltage 1

Supply voltage 2

Output sync current

Reference voltage output current

Timing resistor

Timing capacity

Triangular wave frequency

Symbol

VCC

VBIAS

ISINK max

IREF

RT

CT

fOSC

Conditions

Ratings

1.8 to 8

1.8 to 8

0 to 30

0 to 1

3 to 30

100 to 1000

0.1 to 1

Unit

V

V

mA

mA

kΩ

pF

MHz

Any and all SANYO Semiconductor products described or contained herein do not have specifications

that can handle applications that require extremely high levels of reliability, such as life-support systems,

aircraft's control systems, or other applications whose failure can be reasonably expected to result in

serious physical and/or material damage. Consult with your SANYO Semiconductor representative

nearest you before using any SANYO Semiconductor products described or contained herein in such

applications.

SANYO Semiconductor assumes no responsibility for equipment failures that result from using products

at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition

ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor

products described or contained herein.

92706 / 40506 MS IM B8-7242 No.8214-1/12

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