S-8533A125FT-TB-X Datasheet, PDF (6/33 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.3.0_01
 Absolute Maximum Ratings
Table 2
Parameter
VIN pin voltage
VOUT pin voltage
ON/OFF pin voltage
CSS pin voltage
NDRV pin voltage
PDRV pin voltage
NDRV pin current
PDRV pin current
Symbol
VIN
VOUT
VON/OFF
VCSS
VNDRV
VPDRV
INDRV
IPDRV
Power dissipation
PD
Operating ambient temperature
Topr
Storage temperature
Tstg
*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
(Ta = 25°C unless otherwise specified)
Absolute Maximum Rating
Unit
VSS − 0.3 to VSS + 18
V
VSS − 0.3 to VSS + 18
V
VSS − 0.3 to VSS + 18
V
VSS − 0.3 to VIN + 0.3
V
VSS − 0.3 to VIN + 0.3
V
VSS − 0.3 to VIN + 0.3
V
±100
mA
±100
mA
300 (When not mounted on board)
mW
700^*1
mW
−40 to +85
°C
−40 to +125
°C
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
800
700
600
500
400
300
200
100
0
0
50
100
150
Ambient temperature (Ta) [°C]
(2) When not mounted on board
400
300
200
100
0
0
50
100
150
Ambient temperature (Ta) [°C]
Figure 3 Power Dissipation of Package
6