BU90002GWZ Datasheet, PDF (9/24 Pages) Rohm – Step-down Switching regulators with Built-in Power MOSFET

BU9000xGWZ series
Datasheet
Vout
50mV/div
ac coupled
IOUT
500mA/div
Vout
4us
20mV/div
ac coupled
LX
2V/div
IL
500mA/div
400ns
Figure 21. Load transient response 400mA to 1000mA
tr=tf=100ns, MODE : Low
Figure 22. PFM mode Operation Iout=50mA
Vout
20mV/div
ac coupled
LX
2V/div
IL
500mA/div
2us
MODE
2V/div
80ns
Vout
50mV/div
ac coupled
IL
200mA/div
Figure 23. Fig.23 PWM mode Operation Iout=100mA
Figure 24. Mode Change Response
MODE : High to Low
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TSZ22111・15・001
9/21
TSZ02201-0F2F0AG00010-1-2
04.Jul.2012 Rev.001