Overview
The LTC3539EDCB-2#TRPBF, produced by Analog Devices Inc., is a high-efficiency, synchronous step-up DC/DC converter. This device is designed to operate from input voltages as low as 700mV and can deliver up to 2A of output current. It features a compact 8-lead 2mm × 3mm DFN package, making it ideal for space-constrained applications. The converter supports adjustable output voltages ranging from 1.5V to 5.25V and operates at a fixed switching frequency of 2MHz, which minimizes the solution footprint by allowing the use of small, low-profile inductors and ceramic capacitors.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Units |
|---|---|---|---|---|
| Input Voltage (VIN) | 0.5 | - | 5 | V |
| Output Voltage (VOUT) | 1.5 | - | 5.25 | V |
| Output Current (IOUT) | - | - | 2 | A |
| Switching Frequency | - | 2 | - | MHz |
| Efficiency | - | Up to 94% | - | % |
| Operating Temperature | -40 | - | 85 | °C |
| Package Type | - | 8-DFN (2x3) | - | - |
| Quiescent Current | - | 10 | - | µA |
Key Features
- Synchronous rectification for high efficiency
- Adjustable output voltage from 1.5V to 5.25V
- Fixed 2MHz switching frequency for compact design
- Low shutdown current of under 1µA
- Thermal overload protection and current limit protection
- Internal compensation for easy use, reducing external parts count
- Pin-enabled automatic Burst Mode operation at light load conditions
- Anti-ring circuitry to reduce EMI
- Compact 2mm × 3mm × 0.75mm DFN package
- Wide input voltage range with start-up from 700mV and operation down to 500mV once started
Applications
- Battery-powered devices
- Portable bar code scanners
- Noise canceling headphones
- Portable GPS navigation
- Handheld PCs
- Medical instruments
- USB-powered applications
Q & A
- What is the minimum input voltage for the LTC3539EDCB-2#TRPBF?
The minimum input voltage is 0.5V, with the ability to start up from 700mV.
- What is the maximum output current of the LTC3539EDCB-2#TRPBF?
The maximum output current is 2A.
- What is the switching frequency of the LTC3539EDCB-2#TRPBF?
The switching frequency is fixed at 2MHz.
- What is the efficiency of the LTC3539EDCB-2#TRPBF?
The efficiency can be up to 94%.[
- What is the operating temperature range of the LTC3539EDCB-2#TRPBF?
The operating temperature range is from -40°C to 85°C.[
- What package type does the LTC3539EDCB-2#TRPBF come in?
The device comes in an 8-lead 2mm × 3mm DFN package.[
- Does the LTC3539EDCB-2#TRPBF have thermal protection?
Yes, it features thermal overload protection and current limit protection.[
- Can the output voltage of the LTC3539EDCB-2#TRPBF be adjusted?
Yes, the output voltage is adjustable from 1.5V to 5.25V.[
- What is the quiescent current of the LTC3539EDCB-2#TRPBF in Burst Mode?
The quiescent current in Burst Mode is 10µA.[
- Is the LTC3539EDCB-2#TRPBF RoHS compliant?
Yes, the device is RoHS compliant.[
