LTC4269CDKD-2#TRPBF Linear Technology, LTC4269CDKD-2#TRPBF Datasheet - Page 7

• Manufacturer Part Number: LTC4269CDKD-2#TRPBF
• Description: IC PD/SYNC FORWARD CTRLR 32-DFN
• Manufacturer: Linear Technology
• Type: Power Over Ethernet (PoE)r

Specifications of LTC4269CDKD-2#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

Typical perForMance characTerisTics
245
230
215
200
185
170
155
6.5
6.0
5.5
5.0
4.5
4.0
3.5
18
16
14
12
10
8
6
–50
–50
–50
Switching Frequency
vs Temperature
I
V
vs Temperature
Q
OC = OPEN
IN
(V
–25
–25
Turn On/Off Voltage
–25
IN
) vs Temperature
V
V
IN
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
IN
TEMPERATURE (°C)
TURN OFF VOLTAGE
TURN ON VOLTAGE
25
25
25
50
50
50
75
75
75
100
100
100
42692 G10
42692 G13
42692 G16
125
125
125
1.32
1.22
1.42
1.37
1.27
250
100
500
450
400
350
300
200
150
0.6
1.6
1.4
1.2
1.0
0.8
0.4
0.2
0
–50
–50
–50
V
vs Temperature
SD_V
vs Temperature
COMP Active Threshold
vs Temperature
V
SD_V
R
IN
IN
ISENSE
–25
–25
= 15V
–25
Shutdown Current
SEC
SEC
= 0k
= 0V
Turn On Threshold
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
100
100
100
42692 G11
42692 G14
42692 G17
125
125
125
12.5
10.0
600
550
500
450
400
350
300
250
200
7.5
5.0
15
10
5
0
–50
–50
–50
V
vs Temperature
SD_V
vs Temperature
COMP Source Current
vs Temperature
SD_V
FB = 1V
COMP = 1.6V
IN
–25
–25
–25
Start-Up Current
SEC
SEC
= 1.4V
Pin Current
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
LTC4269-2
CURRENT OUT OF PIN
0mA PIN CURRENT AFTER
PART TURN ON
PIN CURRENT BEFORE
PART TURN ON
25
25
25
50
50
50
75
75
75
100
100
100
42692 G12
42692 G18
42692 G15
42692fb

125
125
125