Key facts
- Brand
- Linear Technology
- Model
- LTC1142
- Category
- Power Management
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-05
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Linear Technology AN54 Power Conversion Application Note
The document details the design of high-efficiency power supply circuits for portable computers and hand-held equipment, achieving efficiencies up to 95%. It focuses on a series of controllers including the LTC1142, LTC1143, LTC1147, LTC1148, and LTC1149.
Read onlineLinear Technology LTC1142 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 LTC1142 documents by type
How to use the product for one specific task, with worked examples.
Ratings, dimensions and ordering codes, for selection and design work.
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 input voltage range for the LTC1142 regulators?
The regulators operate from 3.5 V up to 20 V.
How many output voltages does the LTC1142 provide?
It provides dual outputs of 3.3 V and 5 V, or user‑programmable voltages.