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 PERFORMANCE CHARACTERISTICS
V
and V
CC(ON)
CC(OFF)
vs Temperature
16
15
V
CC(ON)
14
13
12
11
V
CC(OFF)
10
9
8
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
42691 G10
SENSE Voltage vs Temperature
110
FB = 1.1V
108
+
SENSE = V
SENSE
WITH V
= 0V
SENSE
106
104
102
100
98
96
94
92
90
50
–50
–25
0
25
75
100
TEMPERATURE (°C)
42691 G13
V
vs Temperature
FB
1.240
1.239
1.238
1.237
1.236
1.235
1.234
1.233
1.232
1.231
1.230
–50
0
25
50
75
100
–25
TEMPERATURE (°C)
42691 G16
V
Start-Up Current
CC
vs Temperature
300
250
200
150
100
50
0
125
–50
–25
0
25
50
75
TEMPERATURE (°C)
SENSE Fault Voltage
vs Temperature
220
+
SENSE = V
SENSE
WITH V
= 0V
215
SENSE
210
205
200
195
190
185
180
125
–50
–25
0
25
50
75
TEMPERATURE (°C)
Feedback Pin Input Bias
vs Temperature
300
R
OPEN
CMP
250
200
150
100
50
0
125
50
–50
–25
0
25
75
TEMPERATURE (°C)
LTC4269-1
V
Current vs Temperature
CC
10
9
DYNAMIC CURRENT C
C
= 1nF , f
SG
OSC
8
7
6
STATIC PART CURRENT
5
4
V
= 14V
CC
3
–50
25
50
100
125
–25
0
TEMPERATURE (°C)
42691 G11
Oscillator Frequency
vs Temperature
110
C
= 100pF
OSC
108
106
104
102
100
98
96
94
92
90
100
125
–50
–25
0
25
50
TEMPERATURE (°C)
42691 G14
V
Reset vs Temperature
FB
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
100
125
–50
–25
0
25
50
TEMPERATURE (°C)
42691 G17
= 1nF ,
PG
= 100kHz
75
100
125
42691 G12
75
100
125
42691 G15
75
100
125
42691 G18
42691fb
7