LT LTC4267CGN LTC4267 Integrated Switching Regulator

LT LTC4267CGN  LTC4267 Integrated Switching Regulator

FEATURES

■ Complete Power Interface Port for IEEE 802®.3af Powered Device (PD)

■ Onboard 100V, 400mA UVLO Switch 

■ Precision Dual Level Inrush Current Limit 

■ Integrated Current Mode Switching Regulator 

■ Onboard 25kΩ Signature Resistor with Disable 

■ Programmable Classifi cation Current (Class 0-4)

■ Thermal Overload Protection

■ Power Good Signal

■ Integrated Error Amplifi er and Voltage Reference

■ Low Profi le 16-Pin SSOP and 3mm × 5mm DFN Packages

APPLICATIONS

■ IP Phone Power Management

■ Wireless Access Points

■ Security Cameras 

■ Power over Ethernet 

Datasheet	LTC4267CGN
Type	Controller (PD), DC/DC
Number of Channels	1
Power - Max	12.95W
Internal Switch(s)	No
Auxiliary Sense	No
Standards	802.3af (PoE)
Voltage - Supply	57V (Max)
Current - Supply	3mA (Max)
Operating Temperature	0°C ~ 70°C
Package / Case	16-SSOP (0.154", 3.90mm Width)

TYPICAL APPLICATION

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