NCP1597AMNTWG ONSEMI [ON Semiconductor], NCP1597AMNTWG Datasheet - Page 6

• Manufacturer Part Number: NCP1597AMNTWG
• Description: 1 MHz, 2.0 A Synchronous Buck Regulator
• Manufacturer: ONSEMI [ON Semiconductor]

3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
0
0
0
Figure 11. Load Regulation for V
Figure 13. Load Regulation for V
V
L = 3.3 mH
C
V
L = 3.3 mH
C
V
L = 3.3 mH
C
Figure 9. Load Regulation for V
0.2
0.2
OUT
0.2
OUT
OUT
OUT
OUT
OUT
= 1.2 V
= 1.8 V
= 2 x 22 mF
= 3.3 V
= 2 x 22 mF
= 2 x 22 mF
0.4
0.4
0.4
I
I
I
OUT
OUT
OUT
0.6
0.6
0.6
, OUTPUT CURRENT (A)
, OUTPUT CURRENT (A)
, OUTPUT CURRENT (A)
0.8
0.8
0.8
1.0
1.0
1.0
TYPICAL OPERATING CHARACTERISTICS
1.2
1.2
1.2
1.4
1.4
1.4
OUT
OUT
V
V
V
V
V
V
OUT
IN
IN
IN
IN
IN
IN
1.6
1.6
1.6
= 5.0 V
= 4.0 V
= 5.0 V
= 4.0 V
= 5.0 V
= 4.0 V
= 3.3 V
= 1.8 V
= 1.2 V
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1.8
1.8
1.8
2.0
2.0
2.0
6
100
100
100
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
20
0.01
0.01
0.01
Figure 12. Efficiency vs. Output Current for
Figure 10. Efficiency vs. Output Current for
Figure 14. Efficiency vs. Output Current for
V
V
IN
IN
= 4.0 V
= 4.0 V
V
IN
= 4.0 V
I
I
I
OUT
OUT
OUT
0.1
0.1
0.1
V
V
IN
, OUTPUT CURRENT (A)
, OUTPUT CURRENT (A)
V
, OUTPUT CURRENT (A)
V
V
IN
OUT
V
OUT
= 5.0 V
OUT
IN
= 5.0 V
= 5.0 V
= 1.8 V
= 3.3 V
= 1.2 V
V
L = 3.3 mH
C
V
L = 3.3 mH
C
V
L = 3.3 mH
C
OUT
OUT
1
OUT
1
1
OUT
OUT
OUT
= 3.3 V
= 2 x 22 mF
= 1.8 V
= 2 x 22 mF
= 1.2 V
= 2 x 22 mF
10
10
10