S-8353A20MC-IQFT2X Datasheet, PDF (9/49 Pages) Seiko Instruments Inc – BUILT-IN TRANSISTOR SWITCHING REGULATOR

STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
Rev.3.0_01
S-8353/8354 Series
 Absolute Maximum Ratings
Table 13
(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
CONT pin current
SOT-23-3
ICONT
300
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
(2) When not mounted on board
600
1000
800
600
SOT-89-3
SOT-23-5
SOT-23-3
500
SOT-89-3
400
SOT-23-5
300
SOT-23-3
400
200
200
100
0
0
50
100
150
Ambient temperature (Ta) [°C]
0
0
50
100
150
Ambient temperature (Ta) [°C]
Figure 7 Power Dissipation of Packages
9