参数资料
型号: LX1673-09CPW-TR
厂商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分类: 稳压器
英文描述: 1 A SWITCHING CONTROLLER, 1035 kHz SWITCHING FREQ-MAX, PDSO20
封装: ROHS COMPLIANT, PLASTIC, TSSOP-20
文件页数: 11/13页
文件大小: 286K
代理商: LX1673-09CPW-TR
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
Copyright
2004
Rev 1.0, 3/18/2005
WWW
.Microse
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i
.CO
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LX1673
High Frequency PWM Regulator
PRODUCTION DATA SHEET
TM
APPLI CATI ON SCHEMATI C
LX1673
LDGD
LDFB
LDDIS
DGND
AGND
LDVCC PWGD VC1 TDRV PGND
BDRV
VCCL
VCC
VS
CS
EAO
EA-
EA+
SS
DIS
1
2
3
4
5
6
789
10
11
12
13
14
15
16
17
18
19
20
+12
+5
+3.3
+5
PWM
Vout
LDO
Vout
LDDIS
DIS
PWRGD
Figure 3
– Schematic with Bootstrap Supply for PWM High Side Drive
LX1673
LDGD
LDFB
LDDIS
DGND
AGND
LDVCC PWGD VC1 TDRV PGND
BDRV
VCCL
VCC
VS
CS
EAO
EA-
EA+
SS
DIS
1
2
3
4
5
67
8
9
10
11
12
13
14
15
16
17
18
19
20
+5
PWM
Vout
LDO
Vout
LDDIS
DIS
PWRGD
PWM
Vout
Figure 4
– Schematic for 5 Volt only Input
AA
PP
LL
IICC
AA
TT
IIOO
NN
SS
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