S-8533 Datasheet, PDF (5/31 Pages) Seiko Instruments Inc – STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER

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
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
(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
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
Seiko Instruments Inc.
5