nx2114 Microsemi Corporation, nx2114 Datasheet - Page 6

• Manufacturer Part Number: nx2114
• Description: 300khz & 600khz Synchronous Pwm Controller
• Manufacturer: Microsemi Corporation

Rev. 4.0
06/20/06
Demoboard design and waveforms
filtering noise in single power supply design.
R1
R2
R3
R4
R5
C1
C2
C3
C4,C8
C5,C6
C7
C
C
D1
M1,M2
L1
L2
Bill of Material
Note: To make sure short circuit protection of device functions correctly, C8 and R5 are necessary for
IN
O
+5V
Vin
Name
47uF,70mohm
C1
47pF
C4
47uF,70mohm
10.2k
10.2k
10.2k 1% c hip resistor
1.5k 1% c hip resistor
22.1k 1% c hip resistor
10
47pF ceramic
1.5nF ceramic
2.2nF ceramic
47uF,16V,70mohm,SMD
1uF ceramic
0.1uF ceramic
220uF,6.3V,12mohm,SMD
220uF,4V,15mohm,SMD
Diode
MOSFET
1.5uH,6.8A
1uH,6.4A
R2
C8
Component de scription
chip resistor
1.5nF
22.1k
C2
R4
1% chip resistor
7
6
Figure 2 - demoboard design on NX2114
1uF
C6
Comp
Fb
5
Vcc
1.5kohm
R3
10
R5
Gnd
3
R1
10.2k
BST
1
2.2nF
C3
Hdrv
Ldrv
SW
D1 1N5819
L2 1uH
Sanyo
Sanyo
Sanyo
Fairchild
Coilcraft
Coilcraft
4
2
8
Vendor
sdfdsf
sdfd
C7
0.1uF
M1
M2
1uF
C5
L1 1.5uH
16TQC47M
6TPD220M
4TPE220MF
D1N5819
FDS6294
DO3316P-152
DO3316P-102
Vendor P/N
220uF,12mohm
NX2114/2114A
Cin
Co
2 x (220uF,15mohm)
Num b e r
Vout
+1.6V,6A
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
6