LTC4269-1 Linear Technology Corporation, LTC4269-1 Datasheet - Page 9

• Manufacturer Part Number: LTC4269-1
• Description: IEEE 802.3 At PD And Synchronous No-Opto Flyback Controller
• Manufacturer: Linear Technology Corporation

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TYPICAL PERFORMANCE CHARACTERISTICS
20.5
19.0
21.5
21.0
20.0
19.5
300
250
200
150
100
50
0
–50
–50 –25
PG Delay Time vs Temperature
V
vs Temperature
I
CC
CC
= 10mA
–25
Clamp Voltage
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
R
R
25
25
PGDLY
PGDLY
50
50
= 27.4k
= 16.9k
75
75
100
100
42691 G27
42691 G29
125
125
340
330
320
310
300
290
280
270
260
325
305
245
205
285
265
225
–50
–50
Enable Delay Time
vs Temperature
Minimum PG On-Time
vs Temperature
R
R
tON(MIN)
ENDLY
–25
–25
= 90k
= 158k
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
75
75
100
100
LTC4269-1
42691 G28
42691 G30
125
125
42691f
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