LA5774MP データシートの表示（PDF） - SANYO -> Panasonic

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LA5774MP

Monolithic Linear IC Separately-excited Step-down Switching Regulator(Variable Type)

SANYO -> Panasonic 

LA5774MP

Electrical Characteristics at Ta = 25°C, VO = 3.3V

Parameter

Symbol

Conditions

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

IS

Thermal shutdown operating

TSD

temperature

Thermal shutdown Hysteresis

∆TSD

width

* Design target value: No measurement made.

VIN = 15V, IO = 1.0A

VIN = 15V, IO = 1.0A

VIN = 15V, IO = 1.0A

VIN = 8 to 20V, IO = 1A

VIN = 15V, IO = 0.5 to 1.5A

Designed target value. *

f = 100 to 120Hz

VIN = 15V

Designed target value. *

Designed target value. *

min

1.235

128

3.1

Ratings

typ

1.26

78

160

40

10

±0.5

45

165

15

max

1.285

192

100

30

Unit

V

%

kHz

mV

mV

mV/°C

dB

A

°C

°C

Package Dimensions

unit : mm (typ)

3275

10.0

4.5

1.3

(1.6)

1.7

0.9

0.2

0.4

2.7

1

5

SANYO : SMP5

Pd max - Ta

4.5

Specified sbstrate: 76.1×114.3×1.6mm3

4.0

Copper foil ratio 60% FR4

3.90

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

-30-20 0 20 40 60 80 100 120 140 160

Ambient temperature, Ta - °C MSG06072

Pin Assignment

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

No.A0490-2/5

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