nx2139a Microsemi Corporation, nx2139a Datasheet - Page 18

• Manufacturer Part Number: nx2139a
• Description: Single Channel Mobile Pwm And Ldo Controller
• Manufacturer: Microsemi Corporation

Demoboard Schematic
Rev. 2.3
03/19/09
LDOIN
LDOOUT
5V
BUS
1
1
LDOIN
BUS
LDOOUT
5V
C7
10u
SI4800
M3
C3
10u
R19
7.5k
R20
7.5k
Figure 14 - NX2139A schematic for the demoboard layout
4
R6
10
R11
100k
LDODRV
R8
100k
R18
50
C19
33n
VCC
VCC
C16
1u
C2
1u
R17
20k
C18
1n
15
14
4
5
9
2
7
6
U1
PGOOD
LIN_PGOOD
VCCP
VCC
EN
LIN_EN
LIN_DRV
LIN_FB
R7
1M
C6
1n
VOUT
OCP
BST
SW
DH
DL
FB
13
12
11
10
8
1
3
C15
330p
R4
2.2
C17
1u
R5
10.5k
R10
7.5k
R2
R3
0
10k
10u/25V
CIN1
4
4
4.7u/25V
4.7u/25V
CIN3
CIN2
M1
IRF7807
M2
AO4714
R15
2.2
C9
1.5n
1
DO5010H-152
Lo
2
NX2139A
2R5TPE330MC
OUT
CO1
CO2
4.7u/6.3V
GND
VOUT
18