BU90002GWZ Datasheet, PDF (15/24 Pages) Rohm – Step-down Switching regulators with Built-in Power MOSFET

BU9000xGWZ series
Datasheet
Vout
100mV/div
ac coupled
Vout
50mV/div
ac coupled
1us
IOUT
200mA/div
10us
LX
2V/div
IL
500mA/div
Figure 43. Load transient response 200mA to 600mA
tr=tf=100ns, MODE : High
Figure 44. PFM mode Operation Iout=50mA
Vout
20mV/div
ac coupled
LX
2V/div
IL
200mA/div
MODE
4us
80ns
2V/div
Vout
50mV/div
ac coupled
IL
200mA/div
Figure 45. PWM mode Operation Iout=100mA
Figure 46. Mode Change Response
MODE : High to Low
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TSZ22111・15・001
15/21
TSZ02201-0F2F0AG00010-1-2
04.Jul.2012 Rev.001