NX2113 Datasheet, PDF (6/19 Pages) Microsemi Corporation – 300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO

NX2113/2113A
Demo Board Schematic
2N 3904
TP1 _{R 13} ^{Q 3}
10k _{R 14}
10k
0
JP2
1 BUS
2
L2
BUS1
D O 1608C -102
C 12
47u
R 10
OP
JP3
1 VCC
2
C 13
47u
R4
10
R 12
68k
D1
D 1N 5819
C 24
C 14
1u
1u
Q1
IR F R 3706
C 25
R 11
1uF
12.4k
U1
BST ¹
9 _COMP
C 17
C 15
open
2.7n
C 16
C 11
open
47p
R6
R5
open
11k
H d rv ²
S W ¹⁰
L d rv ⁴
8 _Fb
PG N D ³
(G N D
PAD)
4
R1
0
C 20
.1 u
Hdrv
Ldrv
R2
0
4
Q2
IR F R 3706
C7 C8
OP
C9
1u
L1
OUT1
OUT2
D O 5010P-781H C
C1
OP
D2
D 1N 5819
R3
OP
C 18 C 21 C 22 R 15
2k
JP 5
1
2
C 19 R 7
2.2n 1.2k
R8
R9
10k
10k
GND
J1
1
C2
.1 u
Figure 2 - Demoboard design on NX2113A
Rev. 2.0
6
11/18/05