nx2138 Microsemi Corporation, nx2138 Datasheet - Page 7

• Manufacturer Part Number: nx2138
• Description: Single Channel Mobile Pwm Controller
• Manufacturer: Microsemi Corporation

TYPICAL APPLICATION
(VIN=7V to 22V, VOUT=1.8V/7A)
Rev. 1.6
12/09/09
5V
PGOOD
C1
1u
R2
10
100k
R1
Figure 3 - Demo board schematic
C2
1u
15
14
2
2
4
9
PGOOD
PVCC
VCC
NC
NC
ENSW
/MODE
AGND
6
PGND
OCSET
VOUT
HDRV
LDRV
TON
7
BST
SW
FB
16
12
13
11
10
3
8
1
R8
C3
1n
2.2
1MEG
R4
C4
R5
1u
5k
M2
M1
AO4714
IRF7807
1.5uH
Lo
10.5k
7.5k
R6
R3
R7
2.2
1.5n
C5
CI1
2x10uF
2R5TPE330MC
330uF
VIN 7V~22V
CO1
Vout 1.8V/7A
NX2138
7