Key facts
- Brand
- Linear Technology
- Model
- LT1776
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-03
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Linear Technology LT1776 Switching Regulator Datasheet
The LT1776 is a wide input range, high‑efficiency buck (step‑down) switching regulator designed for automotive DC/DC converters, cellular phone battery chargers, and IEEE 1394 step‑down converters. It features a 7.4 V to 40 V input range, 700 mA peak switch rating, adaptive switch drive, and true current‑mode control for excellent efficiency across load conditions.
The device is supplied in 8‑lead SO‑8 and PDIP packages and includes detailed pin functions, timing diagrams, and typical performance curves. Key specifications such as a 200 kHz fixed switching frequency, 30 pA shutdown current, and operation from –40 °C to 125 °C are provided, along with guidelines for selecting inductors and implementing the regulator in high‑efficiency battery‑charging applications.
Linear Technology LT1776 specifications
| Input Voltage Range | 7.4 V to 40 V |
|---|---|
| Output Switch Peak Current | 700 mA |
| Switching Frequency | 200 kHz (fixed) |
| Shutdown Mode Supply Current | 30 pA |
| Operating Temperature Range | -40 °C to 125 °C |
Source: Linear Technology LT1776 Switching Regulator Datasheet
All Linear Technology LT1776 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical switching frequency of the LT1776?
It operates at a fixed 200 kHz switching frequency (typical range 180‑220 kHz).
From: Linear Technology LT1776 Switching Regulator Datasheet
Which package types are available for the LT1776?
The regulator is offered in 8‑lead SO‑8 and 8‑lead PDIP packages.
From: Linear Technology LT1776 Switching Regulator Datasheet
What is the typical switching frequency of the LT1776?
The LT1776 operates at a fixed 200 kHz switching frequency.
How much peak current can the internal switch handle?
The internal switch is rated for a peak current of 700 mA.