ADP5022(RevA) データシートの表示（PDF） - Analog Devices
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ADP5022 Datasheet PDF : 28 Pages
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ADP5022
TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = VIN3 = VDDA = 5.0 V, TA = 25°C, unless otherwise noted.
T
4
VOUT1
1
2
T
SW
VOUT
VOUT2
2
VOUT3
3
CH1 2.00V BW CH2 2.00V BW
CH3 2.00V BW
M 200µs
T 45.40%
A CH1
1.92V
Figure 4. 3-Channel Start-Up Waveforms, VIN3 Cascaded from VOUT1
EN
1
IIN
3
CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs
CH3 5.00V BW CH4 5.00V BW
T 11.20%
A CH3
2.2V
Figure 7. Buck2 Startup, VOUT2 = 1.8 V, IOUT2 = 5 mA
0.00010
0.00008
0.00006
0.00004
0.00002
0
2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4
VIN (V)
Figure 5. System Quiescent Current vs. Input Voltage, VOUT1 = 0.8 V,
VOUT2 = 2.5 V, VIN3 = VOUT2, VOUT3 = 1.2 V, All Channels Unloaded
0.15
0.14
0.13
0.12
0.11
0.10
0.09
PSM TO PWM
PWM TO PSM
0.08
0.07
0.06
2.4
2.9
3.4
3.9
4.4
4.9
5.4
INPUT VOLTAGE (V)
Figure 8. Buck 2 PSM to PWM Transition, VOUT2 = 1.8 V
T
SW
4
VOUT
2
3.354
3.334
3.314
TA = +25°C
TA = –40°C
TA = +85°C
EN
1
IIN
3.294
3.274
3
CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs
CH3 5.00V BW CH4 5.00V BW
T 11.20%
A CH3
2.2V
Figure 6. Buck1 Startup, VOUT1 = 3.3 V, IOUT1 = 10 mA
3.254
3.234
0
0.1
0.2
0.3
0.4
0.5
0.6
IOUT (A)
Figure 9. Buck1 Load Regulation Across Temperature, VOUT1 = 3.3 V,
Auto Mode
Rev. A | Page 8 of 28
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