Key facts
- Brand
- Linear Technology
- Model
- LT1777
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Linear Technology LT1777 Low Noise Step-Down Switching Regulator Datasheet
The LT1777 is a low‑noise step‑down (buck) switching regulator designed for noise‑sensitive applications. It features programmable dl/dt limiting, internally limited dV/dt, a high input voltage capability up to 48 V, and a fixed 100 kHz switching frequency. The device includes a current‑mode control architecture and a 16‑lead SO package with low thermal resistance.
The document provides absolute maximum ratings, electrical characteristics, pin functions, typical performance graphs, and example circuit layouts. It also lists related parts and ordering information for the LT1777 series.
Linear Technology LT1777 specifications
| Maximum Input Voltage | 48 V |
|---|---|
| Peak Switch Current Rating | 700 mA |
| Fixed Switching Frequency | 100 kHz |
| Shutdown Mode Supply Current | 30 µA |
Source: Linear Technology LT1777 Low Noise Step-Down Switching Regulator Datasheet
All Linear Technology LT1777 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum input voltage the LT1777 can handle?
The regulator can operate with an input voltage up to 48 V.
From: Linear Technology LT1777 Low Noise Step-Down Switching Regulator Datasheet
What is the peak current rating of the internal switch?
The internal switch is rated for a peak current of 700 mA.
From: Linear Technology LT1777 Low Noise Step-Down Switching Regulator Datasheet
What is the maximum input voltage for the LT1777?
The LT1777 can tolerate an input voltage up to 48 V.
What is the peak current rating of the output switch?
The output switch is rated for a peak current of 700 mA.