B1077AS-4R7N AD [Analog Devices], B1077AS-4R7N Datasheet - Page 10

• Manufacturer Part Number: B1077AS-4R7N
• Description: 1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator
• Manufacturer: AD [Analog Devices]

ADP2300/ADP2301
Figure 30. ADP2301 Load Transient, 0.2 A to 1.0 A, V
1
4
3
2
1
4
3
2
1
4
2
Figure 28. Soft Start with 1 A Resistance Load, f
CH1
CH3
CH1
CH3 10V
CH1
Figure 29. Soft Start with No Load, f
1V
10V
1V
100mV
B
B
B
B
(f
W
W
W
W
SW
= 1.4 MHz, L = 4.7 μH, C
B
W
CH2 10V
CH4
CH2 10V
CH4 500mA Ω
CH2 10V
CH4
500mA Ω
V
I
OUT
SW
500mA Ω
OUT
V
V
SW
SW
EN
EN
OUT
OUT
IL
IL
B
B
B
B
W
W
W
W
B
B
W
W
M100µs
M100µs
M100µs A CH4
OUT
= 10 μF)
SW
= 1.4 MHz
OUT
A CH3
SW
A CH3
= 5.0 V, V
= 1.4 MHz
580mA
8V
8V
IN
= 12 V
Rev. 0 | Page 10 of 28
Figure 31. ADP2301 Load Transient, 0.2 A to 1.0 A, V
Figure 32. ADP2300 Load Transient, 0.2 A to 1.0 A, V
Figure 33. ADP2300 Load Transient, 0.2 A to 1.0 A, V
1
4
2
1
4
2
1
4
2
CH1
CH1
CH1
100mV
200mV
50mV
(f
(f
(f
SW
SW
SW
= 1.4 MHz, L = 4.7 μH, C
B
B
= 700 kHz, L = 10 μH, C
= 700 kHz, L = 10 μH, C
B
W
W
W
CH2 10V
CH4 500mA Ω
CH2
CH4 500mA Ω
CH2
CH4 500mA Ω
10V
10V
B
B
B
B
B
B
W
W
W
W
W
W
M100µs A CH4
M100µs A CH4
M100µs A CH4
OUT
OUT
OUT
= 22 μF)
= 22 μF)
= 22 μF)
OUT
OUT
OUT
= 3.3 V, V
= 5.0 V, V
= 3.3 V, V
V
V
V
SW
SW
I
SW
I
I
OUT
OUT
OUT
OUT
OUT
OUT
630mA
630mA
630mA
IN
IN
IN
= 12 V
= 12 V
= 12 V