NCP1403_05 ONSEMI [ON Semiconductor], NCP1403_05 Datasheet - Page 15

• Manufacturer Part Number: NCP1403_05
• Description: 15 V/50 mA PFM Step−Up DC−DC Converter
• Manufacturer: ONSEMI [ON Semiconductor]

1.8 V to 5.5 V
C1: T494A106K010AS, Kemet
C2, C4: T494D106K020AS, Kemet
C3: GMK316F225ZG, Taiyo Yuden
D1, D2, D3: MBR0520LT1, ON Semiconductor
L: CD43−470KC, Sumida
2.2 V to 4.2 V
V
IN
10 mF
10 V
C1
V
C1: T494C226K010AS, Kemet
C2: T494D686K006AS, Kemet
Q1: MGSF1P02ELT1, ON Semiconductor
D1: MBR0520LT1, ON Semiconductor
IN
L: CD43−101KC, Sumida
22 mF
10 V
C1
750 pF to
+
2000 pF
Figure 34. Step−down DC−DC Converter with 1.6 V Output Voltage for DSP Circuit
C
+
C
R
R
FB1
FB2
Figure 35. Step−Up DC−DC Converter with 30 V Output Voltage
VDD
CE
FB
1
2
3
VDD
CE
FB
1
2
3
NCP1403
NCP1403
L 47 mH
U1
http://onsemi.com
GND
NCP1403
LX
5
6
GND
LX
R
5
6
Q1
820
GS
15
MBR0520LT1
MGSF1P02LT1
D1
C3
MBR0520LT1
D1
2.2 mF
D3
D2
MBR0520LT1
750 pF to
L
2000 pF
MBR0520LT1
C
100
mH
C
V OUT + 0.8
V OUT + 0.8
+
+
R
R
10 mF
20 V
C4
68 mF
FB1
FB2
10 mF
20 V
C2
6 V
V
30 V
2 mA at V
35 mA at V
OUT
+
C2
R FB1
R FB2
R FB1
R FB2
200 mA
at V
2.2 V
V
1.6 V
IN
OUT
IN
IN
) 1
= 1.8 V
) 1
=
= 5.5 V