LT1931IS5 Analog DC DC Converter Analog Devices ADI SOT-23-5
Specifications
Manufacturer:
Analog Devices Inc
Part Number:
LT1931IS5
Description:
Cuk Switching Regulator IC Negative Adjustable -1.255V 1 Output 1A (Switch) SOT-23-5 Thin,
Highlight:
LT1931IS5 Analog DC DC Converter
,LT1931IS5 DC DC Converter
,Analog Devices ADI SOT-23-5
Introduction
LT1931IS5 DC-DC Converter
LT1931IS5 is a DC-DC converter produced by Analog Devices
Product Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc |
| Part Number | LT1931IS5 |
| Description | Cuk Switching Regulator IC Negative Adjustable -1.255V 1 Output 1A (Switch) SOT-23-5 Thin |
Key Features
- High-Speed Switching: Fixed switching frequency of 1.2MHz enables use of small, low-cost capacitors and inductors with height ≤2mm.
- Negative Output Generation: Can produce -5V output at 350mA or -12V output at 150mA from 5V input.
- Dual-Inductor Topology: Filters both input-side and output-side currents, achieving ≈1mV(P-P) ripple with ceramic capacitors.
- Fixed-Frequency Switching: Ensures clean output without low-frequency noise typical in charge-pump solutions.
- Wide Input Range: 2.6V to 16V input voltage range with 36V switch allowing 34V differential between VIN and VOUT.
- Low-Impedance Output: Maintains within 1% of nominal value during large load steps.
- Current-Mode Control: Constant-frequency scheme provides excellent voltage/load regulation with 1.2A current limit.
- Compact Design: 5-pin ThinSOT package for space-constrained applications.
Typical Applications
- Disk Drive MR Head Bias
- Digital Camera CCD Bias
- LCD Bias
- GaAs FET Bias
- Local Low-Noise/Low-Impedance Negative Supply
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