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LTC3545 数据表(PDF) 18 Page - Linear Technology

部件名 LTC3545
功能描述  Triple 800mA Synchronous Step-Down Regulator-2.25MHz
PDF  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3545 数据表(HTML) 18 Page - Linear Technology

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LTC3545/LTC3545-1
18
35451fb
TYPICAL APPLICATIONS
3-Channel Power Sequencing
Figure 5. LTC3545-1 Three PGOODs and Power Sequencing
3545 TA05
L1
1.5μH
R1
511k
C2
10μF
SW1
PGOOD1
RUN2
PGOOD2
SW2
PGND
PVIN
SW3
GNDA
VIN
RUN1
VFB1
VFB2
VFB3
RUN3
PGOOD3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC3545-1
GND
17
R3
100k
R4
100k
R5
165k
R6
110k
R7
133k
R8
66.5k
R2
511k
VIN
2.5V TO 5.5V
R9
511k
E3
VOUT1
E2
PGOOD2
E9
PGOOD3
E1
PGOOD1
1.2V AT 0.8A
E4
GND
C3
10μF
E7
VOUT2
1.5V AT 0.8A
E6
GND
C4
10μF
E5
VOUT3
1.8V AT 0.8A
E8
GND
L2
1.5μH
L3
1.5μH
C1
4.7μF
C6
20pF
C5
10μF
C7
20pF
C8
20pF
400μs/DIV
VOUT1
RUN1
VOUT2
VOUT3
PGOOD3
3545 TA06
TA = 25°C
VIN = 3.6V



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