Key facts
- Brand
- Linear Technology
- Model
- LT1339
- Category
- Power Management
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-05
Start here
LT1339 Design Manual Application Note 73
The document serves as a comprehensive design manual for the LT1339, a high power synchronous current mode switching regulator controller. It details the device's features, including programmable average current limiting and user-adjustable slope compensation, suitable for applications up to 60V.
The text covers theoretical concepts such as the hydraulic impulse pump analogy for energy conversion, followed by detailed electrical characteristics, pin descriptions, and graphical design examples for buck and boost converters.
Linear Technology LT1339 specifications
| Supply Voltage (12VIN) | -0.3V to 20V |
|---|---|
| Topside Supply Voltage (VBOOST) | -0.3V to VTS + 20V |
| Operating Frequency | Up to 150kHz |
| Maximum Ambient Temperature (LT1339I) | -40°C to 85°C |
All Linear Technology LT1339 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 maximum operating voltage for the LT1339?
The device supports operation up to 60V.
Does the LT1339 support synchronous rectification?
Yes, it drives dual N-channel MOSFETs for high power DC/DC converters.
What is the maximum input voltage for the LT1339?
The controller can operate with an input voltage up to 60 V (75 V absolute maximum).
From: Linear Technology LT1339 High Power Synchronous DC/DC Controller Datasheet
Which pin provides the 5 V reference output?
Pin 2 (5V REF) provides a 5 V output reference that can source up to 10 mA DC.
From: Linear Technology LT1339 High Power Synchronous DC/DC Controller Datasheet