BU90002GWZ Datasheet, PDF (16/24 Pages) Rohm – Step-down Switching regulators with Built-in Power MOSFET

BU9000xGWZ series
Datasheet
MODE
2V/div
4us
Vout
50mV/div
ac coupled
IL
200mA/div
Figure 47. Mode Change Response
MODE : Low to High
100
90
80
70
60
50
40
30
20
10
0
0.1
VIN=2.7V
VIN=3.6V
VIN=4.2V
1
10
100
Load current[mA]
Figure 48. Efficiency vs Load current
PFM mode
100
90
80
70
60
50
40
30
20
10
0
0.1
VIN=2.7V
VIN=3.6V
VIN=4.2V
1
10
100
Load current[mA]
1000
Figure 49. Efficiency vs Load current
PWM mode
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TSZ22111・15・001
16/21
TSZ02201-0F2F0AG00010-1-2
04.Jul.2012 Rev.001