IC PD/OPTO FLYBACK CTRLR 32-DFN

LTC4269CDKD-1#PBF

Manufacturer Part NumberLTC4269CDKD-1#PBF
DescriptionIC PD/OPTO FLYBACK CTRLR 32-DFN
ManufacturerLinear Technology
TypePower Over Ethernet (PoE)
LTC4269CDKD-1#PBF datasheet
 


Specifications of LTC4269CDKD-1#PBF

ApplicationsPower Interface Switch for Power Over Ethernet (PoE) DevicesVoltage - Supply14 V ~ 16 V
Operating Temperature0°C ~ 70°CMounting TypeSurface Mount
Package / Case32-DFNCurrent - Supply1.35mA
InterfaceIEEE 802.3afController TypePowered Device Interface Controller (PD)
Input Voltage60VSupply Current6.4mA
Digital Ic Case StyleDFNNo. Of Pins32
Duty Cycle (%)88%Frequency100kHz
Operating Temperature Range0°C To +70°CMslMSL 1 - Unlimited
Rohs CompliantYesOperating Temperature (max)70C
Operating Temperature (min)0CPin Count32
MountingSurface MountPackage TypeDFN EP
Case Length7mmScreening LevelCommercial
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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TYPICAL APPLICATIONS
V
PORTP
+
48V AUXILLIARY
POWER
B1100 8 PLCS
107k
36V
54V FROM
PDZ36B
DATA PAIR
10k
BSS63LT1
S1B
BAS21
SMAJ58A
30.9Ω
54V FROM
0.1μF
24k
SPARE PAIR
100V
T1: PCA ELECTRONICS, EPC3408G-LF
OR
PULSE, PA2466NL
T2: PULSE, PE-68386NL
C1: PSLB20J107M(25)
Effi ciency
91
37V
IN
90
89
88
87
48V
IN
86
85
57V
IN
84
83
82
81
0.7
1.4
2.1
2.8
3.5
4.2
4.9
LOAD CURRENT (A)
PoE-Based 3.3V, 7A Power Supply
10μH
+
20k
2.2μF
10μF
BAS21
29.4k
383k
20Ω
14.0k
3.01k
UVLO
PWRGD
FB
V
CC
V
PORTP
SHDN
R
CLASS
LTC4269-1
V
PORTN
V
SYNC
GND
OSC
PGDLY
t
ENDLY
R
NEG
ON
CMP
33pF
100k
12k
38.3k
1k
5.6
6.3
7.0
42691 TA05b
LTC4269-1
0.18μH
T1
+
47μF
150Ω
22pF
+
1μF
22μF
B0540W
5.1Ω
FDS8670
2.2nF
FDS2582
2.2nF
PG
2kV
+
SENSE
33mΩ
SENSE
MMBT3906
MMBT3904
SG
100Ω
15Ω
1μF
2.2nF
C
V
CMP
CMP
T2
0.1μF
5.1k
BAT54
2.2nF
6.8nF
42691 TA05a
Regulation
3.45
3.42
3.39
3.36
50V
IN
3.33
42V
IN
3.30
57V
IN
3.27
3.24
3.21
3.18
3.15
0.7 1.4
2.1
2.8
3.5
4.2
4.9
5.6
6.3
7.0
LOAD CURRENT (A)
42691 TA05c
3.3V
7A
C1
100μF
47Ω
1μF
16V
10k
42691fb
41