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, EPC3409G-LF
OR
PULSE, PA2369NL
T2: PULSE, PE-68386NL
C1: PSLB20J107M(45)
Effi ciency
92
42V
PORT
90
88
50V
PORT
86
84
82
80
78
76
57V
PORT
74
72
0.5 1.0
1.5
2.0
2.5
3.0
3.5
OUTPUT CURRENT (A)
PoE-Based 5V, 5A Power Supply
10μH
+
39k
2.2μF
10μF
+
BAS21
27.4k
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
C
NEG
ON
CMP
33pF
100k
12k
38.3k
1.2k
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
4.0
4.5
5.0
42691 TA03b
LTC4269-1
0.18μH
T1
+
47μF
150Ω
22pF
1μF
10μF
5.1Ω
FDS8880
1.5nF
FDS2582
2.2nF
PG
2kV
+
SENSE
33mΩ
SENSE
MMBT3906
MMBT3904
SG
100Ω
1μF
15Ω
2.2nF
V
CMP
CMP
T2
0.1μF
10k
BAT54
1nF
3.3nF
42691 TA03a
Regulation
50V
PORT
42V
PORT
57V
PORT
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
OUTPUT CURRENT (A)
42691 TA03c
5V
5A
C1
100μF
10k
42691fb
39