LA5744 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA5744

Separately-Excited Step-Down Switching Regulator (Variable Type)

SANYO -> Panasonic 

LA5744

Electrical Characteristics at Ta = 25°C, VO = 5V

Parameter

Symbol

Reference voltage

Efficiency

VOS

η

Switching frequency

f

Line regulation

Load regulation

Output voltage temperature

coefficient

Ripple attenuation factor

∆VOLINE

∆VOLOAD

∆VO/∆Ta

RREJ

Current limiter operating voltage

Thermal shutdown operating

temperature

Thermal shutdown Hysteresis

width

IS

TSD

∆TSD

* Design target value : No measurement made.

Conditions

VIN = 15V, IO = 1.0A

VIN = 15V, IO = 1.0A

VIN = 15V, IO = 1.0A

VIN = 8 to 20V, IO = 1.0A

VIN = 20V, IO = 0.5 to 1.5A

Designed target value. *

f = 100 to 120Hz

VIN = 15V

Designed target value. *

Designed target value. *

min

1.20

240

Ratings

typ

1.23

83

300

40

10

±0.5

45

3.1

165

15

max

1.26

360

100

30

Unit

V

%

kHz

mV

mV

mV/°C

dB

A

°C

°C

Package Dimensions

unit : mm (typ)

3343

10.4MAX

3.6

10.0

4.5

1.3

0.9

1

5

2

0.8 0.4

(1.6)

1.7

2.7

4.5

8.4

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

39N⋅cm

silicone

grease

applied

0

-30 -20

0 20 40 60 80 100 120 140 160

Ambient temperature, Ta -- °C MSG07021

SANYO : 220-5HK

Pin Assignment

(1) VIN (2) SWOUT (3) GND (4) VOS (5) SS

No.A0717-2/5

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