S-8520A20MC-AVFT2X Datasheet, PDF (8/44 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

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
VOUT pin voltage
______
ON/OFF pin voltage
EXT pin voltage
EXT pin current
Power dissipation
A, C, E types
B, D, F types
A, C, E types
B, D, F types
A, C, E types
B, D, F types
VIN
VSS − 0.3 to VSS + 12.0
V
VSS − 0.3 to VSS + 18.0
V
VOUT
VSS − 0.3 to VSS + 12.0
V
VSS − 0.3 to VSS + 18.0
V
V ______
ON/OFF
VSS − 0.3 to VSS + 12.0
VSS − 0.3 to VSS + 18.0
V
V
VEXT
VSS − 0.3 to VIN + 0.3
V
IEXT
±50
mA
PD
250 (When not mounted on board)
mW
600^*1
mW
Operating ambient temperature
Topr
Storage temperature
Tstg
−40 to +85
°C
−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
700
(2) When not mounted on board
300
600
250
500
200
400
150
300
200
100
100
50
0
0
50
100
150
Ambient Temperature (Ta) [°C]
0
0
50
100
150
Ambient Temperature (Ta) [°C]
Figure 4 Power Dissipation of Package
8