Datasheets
LT4275CHDD#PBF by:
Linear Technology
Analog Devices Inc
Linear Technology
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LT4275 - LTPoE++/PoE+/PoE PD Controller; Package: DFN; Pins: 10; Temperature Range: -40°C to 125°C

Part Details for LT4275CHDD#PBF by Linear Technology

Results Overview of LT4275CHDD#PBF by Linear Technology

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Applications Electronic Manufacturing

LT4275CHDD#PBF Information

LT4275CHDD#PBF by Linear Technology is an Other Signal Circuit.
Other Signal Circuits are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Price & Stock for LT4275CHDD#PBF

Part # Distributor Description Stock Price Buy
Rochester Electronics LT4275 - PoE PD Controller RoHS: Compliant Status: Active Min Qty: 1 60
  • 1 $1.8600
  • 25 $1.8200
  • 100 $1.7500
  • 500 $1.6700
  • 1,000 $1.5800
$1.5800 / $1.8600 Buy Now

Part Details for LT4275CHDD#PBF

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LT4275CHDD#PBF Part Data Attributes

LT4275CHDD#PBF Linear Technology
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LT4275CHDD#PBF Linear Technology LT4275 - LTPoE++/PoE+/PoE PD Controller; Package: DFN; Pins: 10; Temperature Range: -40°C to 125°C
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Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer LINEAR TECHNOLOGY CORP
Part Package Code DFN
Pin Count 10
Manufacturer Package Code DD
Reach Compliance Code compliant
HTS Code 8542.39.00.01
Analog IC - Other Type ANALOG CIRCUIT
JESD-30 Code R-PDSO-N10
JESD-609 Code e3
Length 3 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 10
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code HVSON
Package Equivalence Code SOLCC10,.12,20
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 0.8 mm
Supply Current-Max (Isup) 2.2 mA
Supply Voltage-Max (Vsup) 60 V
Supply Voltage-Min (Vsup) 23 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3 mm

LT4275CHDD#PBF Frequently Asked Questions (FAQ)

  • A good PCB layout for the LT4275 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.

  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor has a low ESR (Equivalent Series Resistance) and that the input capacitor is properly decoupled. Also, ensure that the device is operated within its recommended operating conditions and that the input voltage is within the specified range.

  • The maximum input voltage that can be applied to the LT4275 is 36V. Exceeding this voltage can cause damage to the device. It's recommended to add input voltage protection, such as a voltage clamp or a TVS diode, to prevent overvoltage conditions.

  • The LT4275 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's output current and voltage according to the temperature derating curves provided in the datasheet.

  • To troubleshoot issues with the LT4275, start by checking the input voltage, output voltage, and output current using an oscilloscope or a multimeter. Verify that the device is operated within its recommended operating conditions and that the component values and PCB layout meet the recommended guidelines. Check for any signs of overheating, such as excessive temperature or thermal shutdown. If the issue persists, consult the datasheet and application notes for troubleshooting guides and contact Linear Technology's technical support if necessary.