S8520 datasheet(8/44 Pages) SII

8 / 44 page

STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

S-8520/8521 Series

Rev.9.0_01



Absolute Maximum Ratings

Table 4

(Ta =

+25°C unless otherwise specified)

Item

Symbol

Absolute maximum rating

Unit

VIN pin voltage

A, C, E types

VIN

VSS

− 0.3 to VSS + 12.0

B, D, F types

VSS

− 0.3 to VSS + 18.0

VOUT pin voltage

A, C, E types

VOUT

VSS

− 0.3 to VSS + 12.0

B, D, F types

VSS

− 0.3 to VSS + 18.0

ON/OFF

______

pin voltage

A, C, E types

VON/OFF

______

VSS

− 0.3 to VSS + 12.0

B, D, F types

VSS

− 0.3 to VSS + 18.0

EXT pin voltage

VEXT

VSS

− 0.3 to VIN + 0.3

EXT pin current

IEXT

±50

Power dissipation

250 (When not mounted on board)

600*1

Operating ambient temperature

Topr

−40 to +85

°C

Storage temperature

Tstg

−40 to +125

°C

*1. When mounted on board

[Mounted board]

(1) Board size :

114.3 mm

× 76.2 mm × t1.6 mm

(2) Board name : JEDEC STANDARD51-7

Caution

The absolute maximum ratings are rated values exceeding which the product could suffer

physical damage. These values must therefore not be exceeded under any conditions.

(1) When mounted on board

(2) When not mounted on board

100

150

400

200

500

300

100

600

700

Ambient Temperature (Ta) [

°C]

100

150

200

100

250

150

300

Ambient Temperature (Ta) [

°C]

Figure 4 Power Dissipation of Package

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