BD2204GUL_15 Datasheet, PDF (17/27 Pages) Rohm – Power Supply Selector Switch IC for SD Cards

BD2204GUL
Timing Chart
1) Stand-by → Switch1 ON → Stand-by
3.3V
VIN1
VIN2
EN
1.8V
3.3V
SEL
VOUT
0V
3.3V
60μ s
0V
0V
0.1μ s
2) Stand-by → VIN1 Output (Switch1 ON) → VIN2 Output (Switch2 ON) → Stand-by
3.3V
VIN1
VIN2
1.8V
3.3V
EN
0V
3.3V
SEL
VOUT
0V
3.3V
1.8V
0V
0V
60μ s
0.1μ s
3) Stand-by → VIN2 Output (Switch2 ON) → VIN1 Output (Switch1 ON) → Stand-by
3.3V
VIN1
1.8V
VIN2
3.3V
EN
0V
3.3V
SEL
0V
0V
VOUT
3.3V
1.8V
0V
30μ s
0.1μ
s
Figure 49. Timing Chart
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TSZ22111 • 15 • 001
17/23
TSZ02201-0GDG0H300050-1-2
25.Sep.2015 Rev.003