Part Details for LT3667EUDD#TRPBF by Linear Technology
Results Overview of LT3667EUDD#TRPBF by Linear Technology
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Applications
Consumer Electronics
LT3667EUDD#TRPBF Information
LT3667EUDD#TRPBF by Linear Technology is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part Details for LT3667EUDD#TRPBF
LT3667EUDD#TRPBF CAD Models
LT3667EUDD#TRPBF Part Data Attributes
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LT3667EUDD#TRPBF
Linear Technology
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Datasheet
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LT3667EUDD#TRPBF
Linear Technology
LT3667 - 40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs; Package: QFN; Pins: 24; Temperature Range: -40°C to 85°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | QFN | |
| Package Description | QFN-24 | |
| Pin Count | 24 | |
| Manufacturer Package Code | UDD | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PQCC-N24 | |
| JESD-609 Code | e3 | |
| Length | 5 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 24 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 0.95 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HVQCCN | |
| Package Equivalence Code | LCC24,.12X.2,20 | |
| Package Shape | RECTANGULAR | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 0.8 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 2100 kHz | |
| Temperature Grade | OTHER | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3 mm |
LT3667EUDD#TRPBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LT3667EUDD is 40V, but it's recommended to operate within the specified input voltage range of 3.5V to 36V for optimal performance and reliability.
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To minimize EMI and noise, it's recommended to follow a star-ground configuration, keep the input and output capacitors close to the IC, and use a solid ground plane. Additionally, use a shielded inductor and keep the switching node (SW pin) away from sensitive nodes.
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The recommended output capacitor type is a low-ESR ceramic capacitor, such as an X5R or X7R dielectric. The value depends on the output voltage and current, but a typical value is 10uF to 22uF.
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The output voltage of the LT3667EUDD can be adjusted by changing the resistor divider ratio between the VOUT pin and the GND pin. The formula to calculate the output voltage is VOUT = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
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The maximum ambient temperature range for the LT3667EUDD is -40°C to 125°C, but the junction temperature should not exceed 150°C for reliable operation.