ncp1400a ON Semiconductor, ncp1400a Datasheet - Page 9

• Manufacturer Part Number: ncp1400a
• Description: 100ma, Fixed Frequency Pwm Step-up Micropower Switching Regulator
• Manufacturer: ON Semiconductor

1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
60
40
20
80
0
0
0
0
0
0
V
Figure 30. NCP1400ASN30T1 Ripple Voltage
IN
Startup/Hold Voltage vs. Output Current
Startup/Hold Voltage vs. Output Current
Figure 26. NCP1400ASN19T1 Operation
Figure 28. NCP1400ASN50T1 Operation
= 0.9 V
5.0
5.0
20
V
IN
I
I
I
O
= 1.5 V
O
O
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
10
vs. Output Current
10
V
V
V
V
40
start
hold
start
hold
15
15
V
IN
= 1.5 V
60
NCP1400ASN19T1
L = 22 mH
C
T
NCP1400ASN50T1
L = 22 mH
C
T
A
NCP1400ASN30T1
L = 22 mH
C
T
A
OUT
OUT
A
OUT
= 25°C
= 25°C
20
20
= 25°C
= 68 mF
= 68 mF
= 68 mF
V
80
IN
25
25
= 2.0 V
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NCP1400A
100
30
30
9
80.0
60.0
40.0
20.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
80
60
40
20
0
0
0
0
0
0
Figure 29. NCP1400ASN19T1 Ripple Voltage
Figure 31. NCP1400ASN50T1 Ripple Voltage
NCP1400ASN19T1
L = 22 mH
C
T
NCP1400ASN50T1
L = 22 mH
C
T
V
A
OUT
A
V
OUT
IN
Startup/Hold Voltage vs. Output Current
Figure 27. NCP1400ASN30T1 Operation
= 25°C
= 25°C
IN
= 0.9 V
= 0.9 V
5.0
= 68 mF
= 68 mF
20
V
20
IN
= 1.5 V
I
I
I
O
O
O
, OUTPUT CURRENT (mA)
V
V
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
start
hold
vs. Output Current
vs. Output Current
10
40
40
V
IN
= 1.2 V
15
V
NCP1400ASN30T1
L = 22 mH
C
T
60
IN
60
A
OUT
= 2.0 V
= 25°C
20
= 68 mF
V
IN
V
= 1.5 V
80
80
IN
25
= 3.0 V
100
100
30