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NX2139A Datasheet(PDF) 7 Page - Microsemi Corporation

Part # NX2139A
Description  SINGLE CHANNEL MOBILE PWM AND LDO CONTROLLER
PDF  21 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

NX2139A Datasheet(HTML) 7 Page - Microsemi Corporation

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



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