S1142A Datasheet, PDF (7/32 Pages) Seiko Instruments Inc – HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION

HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_00
S-1142A/B Series
Power dissipation of HSOP-6 (reference)
Package power dissipation differs depending on the mounting conditions.
The power dissipation characteristics under the following test conditions should be taken as reference values only.
[Mounted board]
(1) Board size:
50 mm × 50 mm × t1.6 mm
(2) Board material: Glass epoxy resin (two layers)
(3) Wiring ratio: 90%
(4) Test conditions: When mounted on board (wind speed: 0 m/s)
(5) Land pattern: Refer to the recommended land pattern (drawing code: FH006-A-L-SD)
2400
2000
1600
1200
800
400
0
0
50
100
150
Ambient temperature (Ta) [°C]
Figure 4 Power Dissipation of Package (When Mounted on Board)
Condition
HSOP-6 (When mounted on board)
Table 6
Power Dissipation (Reference)
2000 mW
Thermal Resistance Value (θj − a)
50°C/W
Seiko Instruments Inc.
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