L88MS33T データシートの表示（PDF） - SANYO -> Panasonic

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L88MS33T

3.3 V, 0.5 A Low Dropout Voltage Regulator with On/Off Function

SANYO -> Panasonic 

Pd max – Ta

With infinite heat sink

L88MS33T

Mounted on copper-clad

area of 2,000 mm2

Mounted on copper-clad

area 740 mm2

Mounted on copper-clad

area 180 mm2

Mounted on copper-clad

area 36 mm2

No heat sink

Ambient temperature, Ta – °C

1) The allowable power dissipation is 1.0 W (Ta = 25°C) with no fin attached, but when mounted on a hybrid IC board or

printed circuit board, high allowable power dissipation is achieved, despite the compact package. The graph below depicts the

relationship between the copper-clad area and allowable power dissipation when mounted on a glass epoxy board

(50 × 5 0 × 0.8 mm3) with a copper thickness of 18 µm.

Pd max – S

Board

Copper-clad area S

(mm2)

Copper-clad area, S – mm2

2) Pd is the value for when the solder on the surface of the IC heat sink has melted completely and the surface mount is

horizontal.

3) Please be advised that the flow solder application system (full-heat method) cannot be recommended.

Lead Formings

MA forming

LR forming

FA forming

No.5516-5/7

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