ncp1400a ON Semiconductor, ncp1400a Datasheet - Page 5

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

100
2.1
2.0
1.9
1.8
1.7
1.6
5.5
5.0
4.5
4.0
3.5
6.0
80
60
40
20
0
0
0
0
NCP1400ASN19T1
L = 22 mH
T
NCP1400ASN30T1
L = 22 mH
T
V
V
NCP1400ASN50T1
L = 22 mH
T
Figure 2. NCP1400ASN19T1 Output Voltage
Figure 4. NCP1400ASN50T1 Output Voltage
A
A
A
Figure 6. NCP1400ASN30T1 Efficiency vs.
IN
IN
= 25°C
= 25°C
= 25°C
= 0.9 V
= 0.9 V
V
20
20
20
IN
= 0.9 V
I
I
I
O
O
O
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
V
vs. Output Current
vs. Output Current
IN
V
Output Current
= 1.5 V
IN
40
40
40
= 1.2 V
V
IN
= 1.2 V
60
60
60
V
IN
= 1.5 V
V
IN
V
= 1.5 V
V
IN
V
V
80
80
80
IN
IN
IN
= 3.0 V
= 2.0 V
= 2.5 V
= 2.0 V
http://onsemi.com
NCP1400A
100
100
100
5
100
100
3.4
3.2
3.0
2.8
2.6
2.4
80
60
40
20
80
60
40
20
0
0
0
0
0
NCP1400ASN30T1
L = 22 mH
T
NCP1400ASN19T1
L = 22 mH
T
V
NCP1400ASN50T1
L = 22 mH
T
V
Figure 3. NCP1400ASN30T1 Output Voltage
A
A
Figure 5. NCP1400ASN19T1 Efficiency vs.
A
Figure 7. NCP1400ASN50T1 Efficiency vs.
IN
IN
= 25°C
= 25°C
= 25°C
= 0.9 V
= 0.9 V
V
IN
20
20
20
= 0.9 V
I
I
I
O
O
O
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
V
vs. Output Current
IN
Output Current
Output Current
= 1.5 V
40
40
40
V
IN
= 1.2 V
V
IN
= 1.2 V
60
60
60
V
IN
V
IN
= 1.5 V
= 1.5 V
V
V
V
IN
80
80
80
IN
IN
= 2.0 V
= 3.0 V
= 2.0 V
100
100
100