LTC4269CDKD-1#TRPBF Linear Technology, LTC4269CDKD-1#TRPBF Datasheet - Page 8

IC PD/OPTO FLYBACK CTRLR 32-DFN

LTC4269CDKD-1#TRPBF

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

Specifications of LTC4269CDKD-1#TRPBF

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)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC4269CDKD-1#TRPBFLTC4269CDKD-1#PBF
Manufacturer:
VOLTRONIC
Quantity:
2 140
Company:
Part Number:
LTC4269CDKD-1#TRPBFLTC4269CDKD-1#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC4269CDKD-1#TRPBF
Manufacturer:
LINEAR
Quantity:
8 000
Company:
Part Number:
LTC4269CDKD-1#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LTC4269-1
TYPICAL PERFORMANCE CHARACTERISTICS
8
1700
1650
1600
1550
1500
1450
1400
1350
1300
1250
1200
1150
1100
–10
–30
–70
–50
23
22
21
20
19
18
17
16
15
10
70
50
30
–50
–50
0.9
Feedback Amplifi er Output
Current vs V
Feedback Amplifi er Voltage Gain
vs Temperature
Soft-Start Charge Current
vs Temperature
–25
–25
1
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
1.1
FB
25
25
V
FB
1.2
(V)
50
50
125°C
1.3
75
75
–40°C
1.4
100
100
25°C
42691 G25
42691 G22
42691 G19
125
125
1.5
1.250
1.245
1.220
1.240
1.235
1.230
1.225
70
65
50
40
60
55
45
80
70
60
50
40
30
20
10
0
–50
–50
Feedback Amplifi er Source and
Sink Current vs Temperature
UVLO vs Temperature
0
PG, SG Rise and Fall Times
vs Load Capacitance
T
A
–25
= 25°C
1
–25
2
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
3
CAPACITANCE (nF)
FALL TIME
SOURCE CURRENT
25
4
25
5
50
50
V
FB
6
RISE TIME
= 1.1V
75
75
7
V
CURRENT
FB
8
SINK
100
100
= 1.4V
42691 G23
42691 G20
42691 G26
9
125
125
10
1050
1100
1000
20.5
19.0
21.5
21.0
20.0
19.5
950
900
3.7
3.4
3.0
3.6
3.5
3.3
3.2
3.1
–50
–50
–50 –25
V
vs Temperature
Feedback Amplifi er g
vs Temperature
I
UVLO
I
CC
CC
–25
–25
= 10mA
Clamp Voltage
Hysteresis vs Temperature
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
m
75
75
75
100
100
100
42691 G21
42691 G27
42691 G24
42691fb
125
125
125

Related parts for LTC4269CDKD-1#TRPBF