LTC4269IDKD-1#TRPBF Linear Technology, LTC4269IDKD-1#TRPBF Datasheet - Page 41

IC PD/OPTO FLYBACK CTRLR 32-DFN

LTC4269IDKD-1#TRPBF

Manufacturer Part Number
LTC4269IDKD-1#TRPBF
Description
IC PD/OPTO FLYBACK CTRLR 32-DFN
Manufacturer
Linear Technology
Type
Power Over Ethernet (PoE)r
Datasheet

Specifications of LTC4269IDKD-1#TRPBF

Applications
Power Interface Switch for Power Over Ethernet (PoE) Devices
Voltage - Supply
14 V ~ 16 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-DFN
Current - Supply
1.35mA
Interface
IEEE 802.3af
Controller Type
Powered Device Interface Controller (PD)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number
Manufacturer
Quantity
Price
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Part Number:
LTC4269IDKD-1#TRPBFLTC4269IDKD-1
Manufacturer:
LT
Quantity:
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Company:
Part Number:
LTC4269IDKD-1#TRPBFLTC4269IDKD-1
Manufacturer:
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Part Number:
LTC4269IDKD-1#TRPBF
Manufacturer:
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Quantity:
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TYPICAL APPLICATIONS
+
B1100 8 PLCS
54V FROM
DATA PAIR
54V FROM
SPARE PAIR
T1: PCA ELECTRONICS, EPC3408G-LF
T2: PULSE, PE-68386NL
C1: PSLB20J107M(25)
48V AUXILLIARY
POWER
OR
PULSE, PA2466NL
86
91
90
89
88
87
85
84
83
82
81
BAS21
0.7
1.4
2.1
57V
SMAJ58A
S1B
LOAD CURRENT (A)
10k
IN
0.1μF
100V
2.8
Effi ciency
48V
107k
3.5
IN
V
PORTP
4.2
BSS63LT1
30.9Ω
24k
36V
PDZ36B
37V
4.9
IN
5.6
V
SHDN
R
V
V
PORTP
PORTN
NEG
CLASS
383k
14.0k
42691 TA05b
6.3
UVLO
SYNC
7.0
PoE-Based 3.3V, 7A Power Supply
PWRGD
GND
+
OSC
10μF
10μH
33pF
PGDLY
LTC4269-1
12k
2.2μF
t
ON
100k
29.4k
3.01k
ENDLY
BAS21
20Ω
FB
38.3k
R
CMP
V
CC
1k
20k
+
C
3.45
3.42
3.39
3.36
3.33
3.30
3.27
3.24
3.21
3.18
3.15
CMP
22μF
0.1μF
0.7 1.4
PG
V
CMP
SENSE
SENSE
2.2nF
SG
1μF
+
2.1
5.1k
Regulation
LOAD CURRENT (A)
2.8
6.8nF
FDS2582
150Ω
33mΩ
22pF
100Ω
3.5
1μF
T1
T2
4.2
2.2nF
2kV
5.1Ω
2.2nF
4.9
50V
MMBT3906
LTC4269-1
2.2nF
IN
5.6
FDS8670
42691 TA05c
42V
57V
0.18μH
47μF
6.3
MMBT3904
15Ω
42691 TA05a
IN
IN
BAT54
7.0
+
B0540W
C1
100μF
41
10k
3.3V
7A
42691fb
47Ω
1μF
16V

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