| Factory Lead Time | 16 Weeks |
| Package / Case | 32-WFDFN Exposed Pad |
| Surface Mount | YES |
| Operating Temperature | 0°C~70°C |
| Packaging | Tape & Reel (TR) |
| Published | 2012 |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 32 |
| ECCN Code | EAR99 |
| Type | Controller (PD), DC/DC |
| Terminal Finish | Matte Tin (Sn) |
| Voltage - Supply | 37.2V~60V |
| Terminal Position | DUAL |
| Terminal Form | NO LEAD |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Terminal Pitch | 0.4mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC4278 |
| Pin Count | 32 |
| JESD-30 Code | R-PDSO-N32 |
| Qualification Status | Not Qualified |
| Input Voltage-Nom | 14V |
| Number of Channels | 1 |
| Power - Max | 25.5W |
| Current - Supply | 1.35mA Max |
| Input Voltage (Min) | 4.5V |
| Control Mode | CURRENT-MODE |
| Input Voltage (Max) | 20V |
| Control Technique | PULSE WIDTH MODULATION |
| Switcher Configuration | SINGLE |
| Internal Switch(s) | Yes |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Length | 7mm |
| Height Seated (Max) | 0.8mm |
| Width | 4mm |
| RoHS Status | ROHS3 Compliant |
| Lifecycle Status | Production (Last Updated: 1 month ago) |
| Mounting Type | Surface Mount |
| Number of Pins | 32 |
| Supplier Device Package | 32-DFN (7x4) |
| Number of Terminals | 32 |
| Mounting Style | SMD/SMT |
| Package | Tape & Reel (TR);Cut Tape (CT);Digi-Reel®; |
| Base Product Number | LTC4278 |
| Mfr | Analog Devices Inc. |
| Product Status | Active |
| Manufacturer Lifecycle Status | PRODUCTION (Last Updated: 1 month ago) |
| RoHS | Compliant |
| Factory Pack Quantity:Factory Pack Quantity | 2500 |
| Manufacturer | Analog Devices Inc. |
| Brand | Analog Devices |
| Package Description | HVSON, SOLCC32,.16,16 |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Moisture Sensitivity Level | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC32,.16,16 |
| Manufacturer Package Code | DKD |
| Reflow Temperature-Max (s) | 30 |
| Operating Temperature-Max | 70 °C |
| Rohs Code | Yes |
| Input Voltage-Max | 20 V |
| Manufacturer Part Number | LTC4278CDKD#TRPBF |
| Package Code | HVSON |
| Package Shape | RECTANGULAR |
| Part Life Cycle Code | Transferred |
| Input Voltage-Min | 4.5 V |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP |
| Risk Rank | 5.2 |
| Part Package Code | DFN |
| Series | * |
| Operating Temperature | 0°C ~ 70°C |
| Packaging | Tape and Reel |
| Max Operating Temperature | 70 °C |
| Min Operating Temperature | 0 °C |
| HTS Code | 8542.39.00.01 |
| Subcategory | Switch ICs |
| Technology | CMOS |
| Voltage - Supply | 37.2V ~ 60V |
| Terminal Pitch | 0.4 mm |
| Reach Compliance Code | compliant |
| Brand Name | Linear Technology |
| Input Voltage-Nom | 14 V |
| Temperature Grade | COMMERCIAL |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Power - Max | 25.5 W |
| Current - Supply | 1.35mA (Max) |
| Seated Height-Max | 0.8 mm |
| Product Type | Power Switch ICs - POE / LAN |
| Switching Frequency-Max | 110 kHz |
| Standard | 802.3at |
| Auxiliary Sense | Yes |
| Product Category | Power Switch ICs - POE / LAN |
| Length | 7 mm |
| Width | 4 mm |
LTC4278CDKD#TRPBF Datasheet
+8613715157867