LTC4278CDKD#PBF Linear Technology, LTC4278CDKD#PBF Datasheet - Page 9

• Manufacturer Part Number: LTC4278CDKD#PBF
• Description: IC PD IEEE 802.3AT 25.5W 32-DFN
• Manufacturer: Linear Technology

Specifications of LTC4278CDKD#PBF

• Controller Type: Powered Device Interface Controller (PD)
• Interface: IEEE 802.3af
• Voltage - Supply: 4.5 V ~ 20 V
• Current - Supply: 6.4mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-DFN
• Input Voltage: 60V
• Supply Current: 1.35mA
• Digital Ic Case Style: DFN
• No. Of Pins: 32
• Duty Cycle (%): 88%
• Frequency: 100kHz
• Operating Temperature Range: °C To +70°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
340
330
320
310
300
290
280
270
260
–50
Minimum PG On-Time
vs Temperature
R
tON(MIN)
–25
= 158k
0
TEMPERATURE (°C)
25
50
75
100
4278 G28
125
200
150
100
300
250
50
0
–50
PG Delay Time vs Temperature
–25
0
TEMPERATURE (°C)
R
R
25
PGDLY
PGDLY
50
= 27.4k
= 16.9k
75
100
4278 G29
125
325
305
245
205
285
265
225
–50
Enable Delay Time
vs Temperature
R
ENDLY
–25
= 90k
0
TEMPERATURE (°C)
25
LTC4278
50
75
100
4278 G30
4278fa
9
125