S-8340A25AFT-T2-X Datasheet, PDF (6/55 Pages) Seiko Instruments Inc – SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Rev.4.0_01
 Absolute Maximum Ratings
Table 4
Parameter
VDD pin voltage
VOUT pin voltage
FB pin voltage
CVREF pin voltage
CSS pin voltage
ON/OFF pin voltage
SENSE pin voltage
EXT pin voltage
EXT pin current
Power dissipation
Symbol
VDD
VOUT
VFB
VCVREF
VCSS
VON/OFF
VSENSE
VEXT
IEXT
PD
Operating ambient temperature
Tdpr
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 + 12
V
VSS − 0.3 to VSS + 12
V
VSS − 0.3 to VSS + 12
V
VSS − 0.3 to VDD + 0.3
V
VSS − 0.3 to VDD + 0.3
V
VSS − 0.3 to VSS + 12
V
VSS − 0.3 to VSS + 12
V
VSS − 0.3 to VDD + 0.3
V
±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 4 Power Dissipation of Packages
6