nx2147 Microsemi Corporation, nx2147 Datasheet - Page 7

• Manufacturer Part Number: nx2147
• Description: Single Channel Mobile Pwm Controller With Dynamic Voltage Adjustment
• Manufacturer: Microsemi Corporation

TYPICAL APPLICATION
(VIN=7V to 22V, VOUT=1.09V/12A)
Rev. 1.6
03/09/09
Rev. 1.8
12/28/09
5V
0.1u
C3
C1
1u
10n
C4
R1
10
100k
R3
R2
88.7k
Figure 3 - Demo board schematic
C2
1u
634k
R5
R4
200k
15
14
10
6
3
4
5
2
9
VREF_OC
VP
PVCC
VCC
D1
D0
ENSW
/MODE
GPIO0
GPIO1
VOUT TABLE:
GPIO0 GPIO1 VOUT(V)
AGND
1
0
1
0
6
PGND
VOUT
HDRV
LDRV
1
1
0
0
TON
BST
SW
16
12
13
11
1
8
7
C5
1n
R8
1.17
1.09
0.95
0.9
FDS6676AS
2.2
499k
R6
C6
1u
M2
M1
FDS6294
1uH
Lo
R7
10
470p
C7
CI1
2x10uF
2R5TPE330MC
Vout (see table below) /12A
330uF
CO1
VIN 7V~22V
NX2147
LOAD
7