Key facts
- Brand
- Linear Technology
- Model
- LTC3455
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-07
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Linear Technology LTC3455 Dual DC/DC Converter Datasheet
The LTC3455 is a complete power management solution designed for portable applications such as handheld computers, digital cameras, and MP3 players. It integrates two high-efficiency synchronous step-down DC/DC converters, a USB power manager, a full-featured Li-Ion battery charger, and a Hot Swap output for SDIO and memory cards.
The device manages power from three sources: a single-cell Li-Ion battery, a USB port, and a 5V wall adapter. It features accurate USB current limiting (500mA/100mA), thermal regulation to maximize charging rates without overheating, and the ability to discharge all outputs to ground during shutdown.
Linear Technology LTC3455 specifications
| Switching Frequency | 1.2 MHz to 1.8 MHz |
|---|---|
| Package Type | 24-Pin Exposed-Pad QFN |
| PMOS Switch On-Resistance (Vmax) | 0.15 Ohm |
Source: Linear Technology LTC3455 Dual DC/DC Converter Datasheet
All Linear Technology LTC3455 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What power sources does the LTC3455 support?
The device provides a solution for obtaining power from three different power sources: a single-cell Li-Ion battery, a USB port, and a wall adapter.
From: Linear Technology LTC3455 Dual DC/DC Converter Datasheet
What is the package size of the LTC3455?
The device is available in a 4mm x 4mm x 0.8mm 24-Pin Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger.
From: Linear Technology LTC3455 Dual DC/DC Converter Datasheet
What input power sources does the LTC3455 support?
It can be powered from a single‑cell Li‑ion battery, a USB port, or a 5 V wall adapter.
What is the package size of the LTC3455?
The device is offered in a 24‑lead plastic QFN package measuring 4 mm × 4 mm with an exposed‑pad ground.