B230A データシートの表示（PDF） - Analog Devices
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B230A Datasheet PDF : 28 Pages
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Data Sheet
VOUT
1
VIN
SW
3
2
CH1 5mV BW CH2 10V
CH3 5V
BW M1ms A CH3 11.4V
Figure 34. ADP2301 Line Transient,
7 V to 15 V, VOUT = 3.3 V, IOUT = 1.2 A, fSW = 1.4 MHz
VOUT
1
IL
SW
4
2
CH1 1V BW
CH2 10V BW M10µs
CH4 1A Ω BW
A CH1 2.56V
Figure 35. ADP2301 Short-Circuit Entry, VOUT = 3.3 V
(fSW = 1.4 MHz)
1
VOUT
IL
4
SW
2
CH1 1V BW
CH2 10V BW
CH4 1A Ω BW
M100µs A CH1 1.2V
Figure 36. ADP2301 Short-Circuit Recovery, VOUT = 3.3 V
(fSW = 1.4 MHz)
ADP2300/ADP2301
100
200
80
160
60
120
40
80
20
40
0
0
–20
–40
–40
–80
–60
–120
–80 CROSS FREQUENCY: 127kHz
PHASE MARGIN: 53°
–100
1k
10k
1
100k
FREQUENCY (Hz)
–160
2
1M
–200
Figure 37. ADP2301 Bode Plot, VOUT = 5.0 V, VIN = 12 V
(fSW = 1.4 MHz, L = 4.7 µH, COUT = 10 µF)
100
200
80
160
60
120
40
80
20
40
0
0
–20
–40
–40
–80
–60
–120
–80 CROSS FREQUENCY: 80kHz
PHASE MARGIN: 68°
–100
1
1k
10k
100k
FREQUENCY (Hz)
2
1M
–160
–200
Figure 38. ADP2301 Bode Plot, VOUT = 3.3 V, VIN = 12 V
(fSW = 1.4 MHz, L = 4.7 µH, COUT = 22 µF)
100
200
80
160
60
120
40
80
20
40
0
0
–20
–40
–40
–80
–60
–120
–80 CROSS FREQUENCY: 27kHz
PHASE MARGIN: 76°
–100
1k
1
10k
100k
FREQUENCY (Hz)
2
1M
–160
–200
Figure 39. ADP2300 Bode Plot, VOUT = 5.0 V, VIN = 12 V
(fSW = 700 kHz, L = 10 µH, COUT = 22 µF)
Rev. C | Page 11 of 28
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