B1077AS-4R7N AD [Analog Devices], B1077AS-4R7N Datasheet - Page 6

• 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
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 3.3 V, T
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
0
0
0
INDUCTOR: LPS6225-472MLC
DIODE: B230A
INDUCTOR: LPS6225-103MLC
DIODE: B230A
INDUCTOR: LPS6225-472MLC
DIODE: B230A
Figure 4. Efficiency Curve, V
Figure 5. Efficiency Curve, V
Figure 6. Efficiency Curve, V
A
= 25°C, V
0.2
0.2
0.2
0.4
0.4
0.4
EN
= V
I
I
I
OUT
OUT
OUT
IN
0.6
0.6
0.6
, unless otherwise noted.
(A)
(A)
(A)
IN
IN
IN
= 18 V, f
= 12 V, f
= 18 V, f
0.8
0.8
0.8
SW
SW
SW
= 1.4 MHz
= 1.4 MHz
= 700 kHz
V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
1.0
OUT
OUT
OUT
OUT
1.0
1.0
= 12V
= 9V
= 5.0V
= 3.3V
= 5.0V
= 3.3V
= 2.5V
= 12V
= 9V
= 5.0V
= 3.3V
1.2
1.2
1.2
Rev. 0 | Page 6 of 28
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
0
0
0
INDUCTOR: LPS6225-103MLC
DIODE: B230A
INDUCTOR: LPS6225-472MLC
DIODE: B230A
INDUCTOR: LPS6225-103MLC
DIODE: B230A
Figure 8. Efficiency Curve, V
Figure 9. Efficiency Curve, V
Figure 7. Efficiency Curve, V
0.2
0.2
0.2
0.4
0.4
0.4
I
I
I
OUT
OUT
OUT
0.6
0.6
0.6
(A)
IN
IN
(A)
(A)
IN
= 5.0 V, f
= 5.0 V, f
= 12 V, f
0.8
0.8
0.8
SW
SW
SW
= 700 kHz
= 1.4 MHz
= 700 kHz
V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
1.0
OUT
OUT
OUT
1.0
1.0
= 5.0V
= 3.3V
= 2.5V
= 1.8V
= 1.2V
= 2.5V
= 1.8V
= 1.2V
= 2.5V
= 1.8V
= 1.2V
1.2
1.2
1.2