參數(shù)資料
型號: LTC4267
廠商: Linear Technology Corporation
元件分類: 基準電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 25/32頁
文件大?。?/td> 1975K
代理商: LTC4267
LTC4267
25
4267f
Figure 16. Auxiliary Power Source for PD
APPLICATIU
W
U
U
RX
6
RX
+
3
TX
2
TX
+
RJ45
T1
1
7
8
5
4
SPARE
+
SPARE
+
ISOLATED
WALL
TRANSFORMER
TO PHY
V
PORTP
P
VCC
OPTION 1: AUXILIARY POWER INSERTED BEFORE LTC4267 PD
OPTION 2: AUXILIARY POWER INSERTED AFTER LTC4267 PD WITH SIGNATURE DISABLED
V
PORTN
P
OUT
PGND
PGND
38V TO 57V
D8
S1B
D3
SMAJ58A
TVS
C1
PGND
PGND
C14
0.1μF
100V
RX
6
RX
+
3
TX
2
TX
+
RJ45
T1
1
7
8
5
4
SPARE
+
SPARE
+
ISOLATED
WALL
TRANSFORMER
TO PHY
V
PORTP
SIGDISA
P
VCC
LTC4267
LTC4267
BR2
HD01
~
~
+
BR1
HD01
~
~
+
BR1
HD01
~
~
+
V
PORTN
P
OUT
4267 F16
D10
S1B
D3
SMAJ58A
TVS
C1
100k
D9
S1B
OPTION 3: AUXILIARY POWER APPLIED TO LTC4267 PD AND SWITCHING REGULATOR
RX
6
RX
+
3
TX
2
TX
+
RJ45
T1
1
7
8
5
4
SPARE
+
SPARE
+
ISOLATED
WALL
TRANSFORMER
TO PHY
38V TO 57V
V
PORTP
P
VCC
LTC4267
V
PORTN
P
OUT
D10
S1B
D3
SMAJ58A
TVS
C1
C14
0.1μF
100V
C14
0.1μF
100V
BR2
HD01
~
~
+
BR1
HD01
~
~
+
BR2
HD01
~
~
+
100k
BSS63
R
START
C
PVCC
R
START
C
PVCC
R
START
C
PVCC
PGND
PGND
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