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参数资料
| 型号： | LX1673-09CPWTR |
| 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： | PLASTIC, TSSOP-20 |
| 文件页数： | 11/13页 |
| 文件大小： | 259K |
| 代理商： | LX1673-09CPWTR |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
Copyright
2000
Rev 0.4a, 5/25/2004
WWW
.Microse
m
i
.CO
M
LX1673
High Frequency PWM Regulator
PRELIMINARY DATA SHEET
TM
APPLICATION SCHEMATIC
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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| LX1673-03CPW | 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20 |
| LX1673-03CLQ | 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC20 |
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