BU90002GWZ Datasheet, PDF (12/24 Pages) Rohm – Step-down Switching regulators with Built-in Power MOSFET

BU9000xGWZ series
Datasheet
Vout
50mV/div
ac coupled
IOUT
200mA/div
4us
Vout
20mV/div
ac coupled
LX
2V/div
400ns
Figure 32. Load transient response 200mA to 600mA
tr=tf=100ns, MODE : Low
Figure 33. PFM mode Operation IIout=50mA
Vout
20mV/div
80ns
MODE
5V/div
4us
ac coupled
LX
2V/div
Vout
50mV/div
ac coupled
LX
200mA/div
Figure 34. PWM mode Operation Iout=100mA
Figure 35. Mode Change Response
MODE : High to Low
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TSZ22111・15・001
12/21
TSZ02201-0F2F0AG00010-1-2
04.Jul.2012 Rev.001