NCP1550D ON, NCP1550D Datasheet - Page 12
NCP1550D
Manufacturer Part Number
NCP1550D
Description
600 kHz PWM/PFM Step-Down DC-DC Controller
Manufacturer
ON
Datasheet
1.NCP1550D.pdf
(18 pages)
200
170
140
1.85
1.83
1.81
1.79
1.77
1.75
110
3.35
3.33
3.31
3.29
3.27
3.25
80
50
Figure 33. NCP1550SN33T1 Output Voltage versus
−50
−50
−50
Figure 35. NCP1550SN18T1 Output Voltage versus
Figure 37. NCP1550 EXT “L” Output Current
V
V
EXT
IN
= 5.0 V
−25
−25
−25
= 0.4 V
T
T
T
versus Ambient Temperature
A
A
A
2.5 V
, AMBIENT TEMPERATURE ( C)
, AMBIENT TEMPERATURE ( C)
, AMBIENT TEMPERATURE ( C)
Ambient Temperature
Ambient Temperature
0
0
0
25
25
25
3.3 V
V
V
IN
IN
= 5.0 V
50
= 5.0 V
50
50
1.8 V
75
75
75
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NCP1550
100
100
100
12
−100
2.55
2.53
2.51
2.49
2.47
2.45
−40
−50
−60
−70
−80
−90
3.5
3.0
2.5
2.0
1.5
−50
−50
−50
Figure 36. NCP1550 EXT “H” Output Current
Figure 34. NCP1550SN25T1 Output Voltage
V
IN
V
Figure 38. NCP1550 Input Current into
−25
−25
OUT
−25
= 5.0 V
2.5 V
T
T
versus Ambient Temperature
T
versus Ambient Temperature
A
A
A
Pin versus Ambient Temperature
, AMBIENT TEMPERATURE ( C)
, AMBIENT TEMPERATURE ( C)
, AMBIENT TEMPERATURE ( C)
2.5 V
3.3 V
0
0
0
3.3 V
25
25
25
V
V
V
IN
EXT
IN
= 5.0 V
50
50
50
= 5.0 V
1.8 V
= V
1.8 V
IN
− 0.4 V
75
75
75
100
100
100