IC REG CTRLR BUCK 28QFN
| Parameter Name | Attribute value |
| Brand Name | Linear Technology |
| Is it Rohs certified? | conform to |
| Maker | Linear ( ADI ) |
| Parts packaging code | QFN |
| package instruction | HVQCCN, |
| Contacts | 28 |
| Manufacturer packaging code | UFD |
| Reach Compliance Code | compliant |
| ECCN code | EAR99 |
| Other features | ALSO OPERATES AS LDO REGULATOR, OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 12.5V |
| Analog Integrated Circuits - Other Types | SWITCHING CONTROLLER |
| control mode | CURRENT-MODE |
| Control Technology | PULSE WIDTH MODULATION |
| Maximum input voltage | 38 V |
| Minimum input voltage | 4 V |
| Nominal input voltage | 15 V |
| JESD-30 code | R-PQCC-N28 |
| JESD-609 code | e3 |
| length | 5 mm |
| Number of functions | 1 |
| Number of terminals | 28 |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | |
| Maximum output current | 0.1 A |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | HVQCCN |
| Package shape | RECTANGULAR |
| Package form | CHIP CARRIER |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| Certification status | Not Qualified |
| Maximum seat height | 0.8 mm |
| surface mount | YES |
| Switch configuration | PHASE-SHIFT |
| Maximum switching frequency | 850 kHz |
| technology | CMOS |
| Temperature level | OTHER |
| Terminal surface | Matte Tin (Sn) |
| Terminal form | NO LEAD |
| Terminal pitch | 0.5 mm |
| Terminal location | QUAD |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| width | 4 mm |
| LTC3869EUFD#TRPBF | LTC3869IUF#TRPBF | LTC3869IGN-2#TRPBF | LTC3869IUFD#TRPBF | LTC3869EUF#PBF | LTC3869EUF#TRPBF | LTC3869IGN-2#PBF | LTC3869IUF#PBF | LTC3869EUFD#PBF | |
|---|---|---|---|---|---|---|---|---|---|
| Description | IC REG CTRLR BUCK 28QFN | IC REG CTRLR BUCK 28QFN | IC REG CTRLR BUCK 28SSOP | IC REG CTRLR BUCK 28QFN | IC REG CTRLR BUCK 28QFN | IC REG CTRLR BUCK 28QFN | IC REG CTRLR BUCK 28SSOP | IC REG CTRLR BUCK 28QFN | Outputable current: - Switching operating frequency: 250kHz ~ 780kHz Output type: Transistor Driver Number of output voltage channels: 2 Function type: Step-Down Output configuration: Positive |
| Output type | - | transistor driver | transistor driver | - | transistor driver | transistor driver | transistor driver | transistor driver | - |
| Function | - | step down | step down | - | step down | step down | step down | step down | - |
| Output configuration | - | just | just | - | just | just | just | just | - |
| Topology | - | step down | step down | - | step down | step down | step down | step down | - |
| Number of outputs | - | 2 | 2 | - | 2 | 2 | 2 | 2 | - |
| output stage | - | 2 | 2 | - | 2 | 2 | 2 | 2 | - |
| Voltage - Power Supply (Vcc/Vdd) | - | 4 V ~ 38 V | 4 V ~ 38 V | - | 4 V ~ 38 V | 4 V ~ 38 V | 4 V ~ 38 V | 4 V ~ 38 V | - |
| Frequency - Switch | - | 250kHz ~ 780kHz | 250kHz ~ 780kHz | - | 250kHz ~ 780kHz | 250kHz ~ 780kHz | 250kHz ~ 780kHz | 250kHz ~ 780kHz | - |
| Duty cycle (maximum) | - | 0.95 | 0.95 | - | 0.95 | 0.95 | 0.95 | 0.95 | - |
| Synchronous rectifier | - | yes | yes | - | yes | yes | yes | yes | - |
| Clock synchronization | - | none | yes | - | none | none | yes | none | - |
| Control characteristics | - | Current limit, enable, frequency control, power good, soft start, tracking | Current limit, enable, frequency control, power good, soft start, tracking | - | Current limit, enable, frequency control, power good, soft start, tracking | Current limit, enable, frequency control, power good, soft start, tracking | Current limit, enable, frequency control, power good, soft start, tracking | Current limit, enable, frequency control, power good, soft start, tracking | - |
| Operating temperature | - | -40°C ~ 125°C （TJ） | -40°C ~ 125°C （TJ） | - | -40°C ~ 125°C （TJ） | -40°C ~ 125°C （TJ） | -40°C ~ 125°C （TJ） | -40°C ~ 125°C （TJ） | - |
| Package/casing | - | 28-WFQFN Exposed Pad | 28-SSOP (0.154", 3.90mm wide) | - | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-SSOP (0.154", 3.90mm wide) | 28-WFQFN Exposed Pad | - |
| Supplier device packaging | - | 28-QFN（4x4） | 28-SSOP | - | 28-QFN（4x4） | 28-QFN（4x4） | 28-SSOP | 28-QFN（4x4） | - |
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