LT3462AEDC#TRPBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The LT3462AEDC#TRPBF is a 300 mA inverting DC/DC converter operating at 2.7 MHz with 2.5 V to 16 V input, using current-mode PWM control in an 8-pin DFN package to generate negative supply rails for analog and mixed-signal circuits.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LT3462AEDC#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1600(MOQ 19)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT3462AEDC#TRPBF?
- 2.7 MHz switching frequency enables use of tiny inductors and capacitors, reducing total solution size for negative rail generation in space-constrained designs
- 300 mA output current capacity with 2.5 V to 16 V input range, supporting negative voltage generation from 3.3 V, 5 V, and 12 V positive supply rails
- Current-mode PWM control provides inherent cycle-by-cycle current limiting and fast transient response, improving stability across wide load-current variations
- Compact 8-pin DFN package (2 mm × 3 mm footprint) with exposed thermal pad for efficient heat transfer, enabling high power density inverting converter designs
What is LT3462AEDC#TRPBF used for?
The LT3462AEDC#TRPBF is used to generate negative supply rails—such as -5 V or -12 V—from a positive input in analog signal-conditioning circuits, op-amp bias networks, and LCD contrast voltage generators where a negative supply is required but only a single positive rail is available from the main power system. Its high 2.7 MHz switching frequency and tiny DFN package also suit portable instruments, medical sensors, and high-density mixed-signal PCBs where inductor size and board area are tightly constrained.
What are the specifications of LT3462AEDC#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1719 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 2.5V |
| Input Voltage-Nom | 3V |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | -38 V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.08,18 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 3.6mA |
| Surface Mount | YES |
| Switcher Configuration | INVERTER |
| Switching Frequency-Max | 3500kHz |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.45mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT3462AEDC#TRPBF datasheet?
LT3462AEDC#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3462AEDC#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what switching frequency does LT3462AEDC#TRPBF operate, and how does that affect external component sizing?
The LT3462AEDC#TRPBF operates at a fixed 2.7 MHz switching frequency. This high frequency allows the use of inductors as small as 2.2 µH to 4.7 µH and output capacitors of 10 µF or less, dramatically reducing the physical size of the inverting converter compared to designs running at 300 kHz to 500 kHz that require 22 µH to 47 µH inductors.
What input voltage range does LT3462AEDC#TRPBF support, and can it invert from a 3.3 V single-supply system?
The LT3462AEDC#TRPBF accepts input voltages from 2.5 V to 16 V, so a 3.3 V single-supply system sits comfortably within its operating range. The inverting topology converts the positive 3.3 V input to a negative output voltage—typically -3.3 V or -5 V depending on the feedback network—enabling dual-supply op-amp circuits from a single positive rail without a second power supply.
How much output current can LT3462AEDC#TRPBF supply, and is 300 mA sufficient for a negative rail driving multiple op-amp stages?
The LT3462AEDC#TRPBF delivers up to 300 mA of output current. A typical precision op-amp draws 5 mA to 15 mA quiescent current, so the converter can simultaneously bias 20 or more op-amp channels on the negative rail—more than adequate for multi-channel analog front-ends, audio preamplifier arrays, or sensor conditioning boards with 10 to 16 differential input stages.
What PCB package does LT3462AEDC#TRPBF use, and what layout precautions improve efficiency at 2.7 MHz?
The LT3462AEDC#TRPBF is housed in an 8-pin DFN package with a 2 mm × 3 mm footprint and an exposed thermal pad for heat sinking. At 2.7 MHz, parasitic inductance in the switch node loop is critical; keep the input capacitor, inductor, and output capacitor within a 5 mm radius of the IC, use a continuous ground plane beneath the DFN pad, and minimize the switch node copper area to reduce radiated EMI.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 19+ | $4.1900 | $79.61 |
| 500+ | $3.4375 | $1718.75 |
| 1000+ | $3.1600 | $3160.00 |
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