LTC4269CDKD-1#PBF Linear Technology, LTC4269CDKD-1#PBF Datasheet - Page 6

IC PD/OPTO FLYBACK CTRLR 32-DFN

LTC4269CDKD-1#PBF

Manufacturer Part Number
LTC4269CDKD-1#PBF
Description
IC PD/OPTO FLYBACK CTRLR 32-DFN
Manufacturer
Linear Technology
Type
Power Over Ethernet (PoE)r
Datasheet

Specifications of LTC4269CDKD-1#PBF

Applications
Power Interface Switch for Power Over Ethernet (PoE) Devices
Voltage - Supply
14 V ~ 16 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
32-DFN
Current - Supply
1.35mA
Interface
IEEE 802.3af
Controller Type
Powered Device Interface Controller (PD)
Input Voltage
60V
Supply Current
6.4mA
Digital Ic Case Style
DFN
No. Of Pins
32
Duty Cycle (%)
88%
Frequency
100kHz
Operating Temperature Range
0°C To +70°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
32
Mounting
Surface Mount
Package Type
DFN EP
Case Length
7mm
Screening Level
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC4269CDKD-1#PBF
Manufacturer:
VOLTRONIC
Quantity:
2 140
Company:
Part Number:
LTC4269CDKD-1#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC4269CDKD-1#PBFLTC4269CDKD-1#TRPBF
Manufacturer:
LINEAR
Quantity:
8 000
Company:
Part Number:
LTC4269CDKD-1#PBFLTC4269CDKD-1#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LTC4269-1
TYPICAL PERFORMANCE CHARACTERISTICS
6
V1:
V2:
0.8
0.4
0.2
0.5
0.4
0.3
0.2
0.1
0.6
28
26
25
24
22
27
23
0
0
2
0
1
0
Input Current vs Input Voltage
25k Detection Range
Signature Resistance
vs Input Voltage
PWRGD, T2P Output Low Voltage
vs Current
RESISTANCE =
DIODES: HD01
T
LTC4269-1 ONLY
T
T
A
A
A
= 25°C
= 25°C
= 25°C
2
2
3
4
LTC4269-1 + 2 DIODES
V
V
PORTP
PORTP
CURRENT (mA)
V
4
4
I
=
5
6
VOLTAGE (V)
VOLTAGE (V)
V2 – V1
IEEE LOWER LIMIT
I
IEEE UPPER LIMIT
2
– I
1
6
6
7
8
8
8
10
42691 G04
42691 G07
42691 G01
9
10
10
10mA/DIV
CURRENT
VOLTAGE
10V/DIV
V
CLASS
PORTP
0.6
1.0
0.8
0.4
0.2
50
40
30
20
10
0
0
Input Current vs Input Voltage
0
0
Class Operation vs Time
Active High PWRGD
Output Low Voltage vs Current
T
T
V
A
A
PORTP
= 25°C
= 25°C
10
– V
0.5
V
NEG
20
PORTP
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
TIME (10μs/DIV)
CURRENT (mA)
= 4V
(RISING)
VOLTAGE (V)
30
1
40
1.5
T
A
50
= 25°C
42691 G02
42691 G05
42691 G08
60
2
10.5
10.0
115
105
105
100
100
11.0
110
110
1.0
0.2
0.8
0.6
0.4
85
9.5
95
95
90
90
–50
40
12
Input Current vs Input Voltage
On-Resistance vs Temperature
Inrush Current vs Input Voltage
CLASS 1 OPERATION
–25
JUNCTION TEMPERATURE (°C)
14
45
V
V
PORTP
PORTP
0
16
VOLTAGE (V)
85°C
–40°C
VOLTAGE (V)
50
25
18
50
55
20
75
42691 G09
42691 G06
42691 G03
42691fb
100
60
22

Related parts for LTC4269CDKD-1#PBF