RT9911
CH2 Load Transient Response
CH2 Load Transient Response
VIN = 3.3V, VOUT = 1.8V
VIN = 3.0V, VOUT = 2.5V
Time (1ms/Div)
Time (1ms/Div)
CH2 Output Voltage vs. VDDM Voltage
CH2 Load Transient Response
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
1.74
VIN = 4.2V, VOUT = 2.5V
VIN = 3.3V, VOUT = 1.8V, IOUT = 250mA
2.4
2.8
3.2
3.6
4
4.4
4.8
5.2
5.6
Time (1ms/Div)
VDDM Voltage (V)
CH2 Buck Output Voltage vs. Output Current
3.370
CH2 Buck Output Voltage vs. Output Current
1.815
3.360
3.350
3.340
3.330
3.320
3.310
3.300
3.290
3.280
3.270
1.814
1.813
1.812
1.811
1.810
1.809
1.808
1.807
1.806
1.805
VIN = 3.7V, VOUT = 1.8V
VIN = 3.7V, VOUT = 3.3V
0
100 200 300 400 500 600 700 800 900 100
1000
0
100 200 300 400 500 600 700 800 900 100
1000
0
0
Output Current (mA)
Output Current (mA)
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14
DS9911-04 August 2007
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
