STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.2.3
_00
S-8533 Series
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
Power dissipation
Symbol
V
IN
V
OUT
V
ON/OFF
V
CSS
V
NDRV
V
PDRV
I
NDRV
I
PDRV
P
D
(Ta = 25°C unless otherwise specified)
Absolute Maximum Rating
Unit
V
SS
−
0.3 to V
SS
+
18
V
V
SS
−
0.3 to V
SS
+
18
V
V
SS
−
0.3 to V
SS
+
18
V
V
SS
−
0.3 to V
IN
+
0.3
V
V
SS
−
0.3 to V
IN
+
0.3
V
V
SS
−
0.3 to V
IN
+
0.3
V
±100
mA
±100
mA
300 (When not mounted on board)
mW
*1
700
mW
−40
to
+85
°C
−40
to
+125
°C
Operating ambient temperature
T
opr
Storage temperature
T
stg
*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
800
Power dissipation P
D
(mW)
700
600
500
400
300
200
100
0
0
50
100
150
Power dissipation P
D
(mW)
400
300
200
100
0
0
50
100
150
Ambient temperature Ta (°C)
Ambient temperature Ta (°C)
Figure 3 Power Dissipation of Package
Seiko Instruments Inc.
5
SII [ SEIKO INSTRUMENTS INC ]
