BU90002GWZ Datasheet, PDF (7/24 Pages) Rohm – Step-down Switching regulators with Built-in Power MOSFET

BU9000xGWZ series
Datasheet
MODE
4us
2V/div
Vout
20mV/div
ac coupled
IL
500mA/div
Figure 13. Mode Change Response
MODE : Low to High
100
95
90
85
80
75
70
65
60
1
10
100
Load current[mA]
Figure 14. Efficiency vs Load current
VIN=5V PWM/PFM Auto mode
1000
3.38
3.37
3.36
3.35
3.34
3.33
3.32
3.31
0
200
400
600
800
Load current[mA]
Figure 15. Load regulation
VIN=5V PWM/PFM Auto mode
1000
30
25
20
15
10
5
0
0
200
400
600
800
Load current[mA]
1000
Figure 16. Vout Ripple Voltage
VIN=5V PWM/PFM Auto mode
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TSZ22111・15・001
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TSZ02201-0F2F0AG00010-1-2
04.Jul.2012 Rev.001