Key facts
- Brand
- Linear Technology
- Model
- LTC1147
- Category
- Power Management
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-05
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LINEAR TECHNOLOGY LTC1147-3.3 LTC1147-5/LTC1147L Manual
This manual describes the LTC1147‑3.3, LTC1147‑5 and LTC1147L step‑down switching regulator controllers. It includes features, absolute maximum ratings, electrical characteristics, typical performance graphs, pin descriptions, and detailed operation principles such as burst and continuous modes.
Application information covers component selection, inductor and capacitor sizing, MOSFET choice, and typical circuit examples. Package options and mechanical dimensions are also provided for both PDIP and plastic small‑outline packages.
Linear Technology LTC1147 specifications
| Maximum Efficiency | Up to 95% |
|---|---|
| Output Current Capability | In excess of 10A |
| Low Current Efficiency Threshold | As low as 10mA |
Source: Linear Technology AN54 Power Conversion Application Note
All Linear Technology LTC1147 documents by type
How to use the product for one specific task, with worked examples.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the main goal for power supplies in portable computers?
High efficiency is frequently the main goal to minimize power drain on input sources and heat buildup.
From: Linear Technology AN54 Power Conversion Application Note
What technology allows for high efficiency at low output currents?
Automatic Burst Mode operation is used at low currents to maximize battery life during sleep or standby modes.
From: Linear Technology AN54 Power Conversion Application Note
What is the typical efficiency of the LTC1147 series?
The LTC1147 series can achieve very high efficiency, over 95% possible.
From: LINEAR TECHNOLOGY LTC1147-3.3 LTC1147-5/LTC1147L Manual
What package options are available for the LTC1147?
The device is offered in an 8‑lead PDIP (narrow 0.300) and an 8‑lead plastic small‑outline package.
From: LINEAR TECHNOLOGY LTC1147-3.3 LTC1147-5/LTC1147L Manual