S-8351A20MC-J2FT2X Datasheet, PDF (10/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
S-8351/8352 Series
Rev.3.0_01
 Absolute Maximum Ratings
Table 14
(Ta = 25°C unless otherwise specified)
Item
Symbol
Absolute maximum rating
Unit
VOUT pin voltage
VOUT
VSS − 0.3 to VSS + 12
V
ON / OFF pin voltage ^*1
V_{ON / OFF}
VSS − 0.3 to VSS + 12
V
VDD pin voltage ^*2
CONT pin voltage
VDD
VCONT
VSS − 0.3 to VSS + 12
V
VSS − 0.3 to VSS + 12
V
EXT pin voltage
CONT pin current
D type
Others
VEXT
ICONT
VSS − 0.3 to VDD + 0.3
V
VSS − 0.3 to VOUT + 0.3
V
300
mA
EXT pin current
IEXT
SOT-23-3
±50
mA
150 (When not mounted on board)
mW
430^*3
mW
Power dissipation SOT-23-5
PD
250 (When not mounted on board)
mW
600^*3
mW
SOT-89-3
500 (When not mounted on board)
mW
1000^*3
mW
Operating ambient temperature
Topr
− 40 to + 85
°C
Storage temperature
Tstg
− 40 to + 125
°C
*1. With shutdown function
*2. For VDD / VOUT separate type
*3. 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
1200
1000
800
600
SOT-89-3
SOT-23-5
SOT-23-3
400
(2) When not mounted on board
600
500
SOT-89-3
400
SOT-23-5
300
SOT-23-3
200
200
0
0
100
50
100
150
Ambient temperature (Ta) [°C]
0
0
50
100
150
Ambient temperature (Ta) [°C]
Figure 10 Power Dissipation of Packages
10