Linear Technology LTC4265 IEEE802.3at PD Controller DC1415A DC1415A Data Sheet

Product codes
DC1415A
Page of 20
LTC4265
2
4265fa
 PIN CONFIGURATION
 ABSOLUTE MAXIMUM RATINGS
GND Voltage ............................................ –0.3V to 100V
V
OUT
 Voltage ........................–0.3V to 100V (and ≤ GND)
V
OUT
 Pull-Up Current ..................................................1A
SHDN ....................................................... –0.3V to 100V
R
CLASS
, Voltage ............................................ –0.3V to 7V
R
CLASS
 Current .......................................................50mA
PWRGD Voltage (Note 4)
  Low Impedance Source .....V
OUT
 – 0.3V to V
OUT
 +11V
 Pull-Up 
Current 
....................................................5mA
PWRGD, T2PSE Voltage ........................... –0.3V to 100V
PWRGD, T2PSE Pull-Up Current ............................10mA
Junction Temperature ........................................... 125°C
Operating Ambient Temperature Range
  LTC4265C ................................................ 0°C to 70°C
  LTC4265I.............................................. –40°C to 85°C
(Notes 1, 2, 3)
12
11
10
9
8
7
13
1
2
3
4
5
6
GND
NC
PWRGD
PWRGD
VOUT
VOUT
SHDN
T2PSE
RCLASS
NC
VIN
VIN
TOP VIEW
DE PACKAGE
12-LEAD (4mm 
s 3mm) PLASTIC DFN
T
JMAX
 = 125°C, 
θ
JA
 = 43°C/W
EXPOSED PAD (PIN 13) TO BE SOLDERED TO PCB HEAT SINK
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4265CDE#PBF
LTC4265CDE#TRPBF
4265
12-Lead (4mm 
× 3mm) Plastic DFN
0°C to 70°C
LTC4265IDE#PBF
LTC4265IDE#TRPBF
4265
12-Lead (4mm 
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.  *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: 
http://www.linear.com/leadfree/
 
For more information on tape and reel specifi cations, go to: 
http://www.linear.com/tapeandreel/