NX2139ACMTR MICROSEMI [Microsemi Corporation], NX2139ACMTR Datasheet - Page 7

• Manufacturer Part Number: NX2139ACMTR
• Description: SINGLE CHANNEL MOBILE PWM AND LDO CONTROLLER
• Manufacturer: MICROSEMI [Microsemi Corporation]

TYPICAL APPLICATION
(VIN=7V to 22V, SW VOUT=1.8V/7A, LDO VOUT=1.5V/2A)
Rev. 2.3
03/19/09
5V
PGOOD
C1
1u
LDOPG
Figure 3 - Demo board schematic
R2
10
100k
R3
100k
C2
R1
1u
5V
15
14
2
9
4
5
PVCC
VCC
PGOOD
ENLDO
ENSW
/MODE
LDOPG
GND
PAD
LDODRV
LDOFB
OCSET
VOUT
HDRV
LDRV
TON
BST
SW
FB
16
6
13
12
11
8
10
3
7
1
33n
C6
R13
R8
50
C3
1n
1MEG
2.2
R4
R5
1u
C4
5k
20k
C5
1n
R9
M2
M1
330p
AO4714
IRF7807
C8
1.5uH
Lo
7.5k
R10
7.5k
R11
10.5k
7.5k
R6
R12
2.2
1.5n
R7
C7
CI1
2x10uF
2R5TPE330MC
M3
SI4800
CO2
2x10uF
330uF
VIN 7V~22V
NX2139A
CO1
Vout 1.8V/7A
1.5V@2A
7