LT3048 Series

PRODUCTION

Low Noise Bias Generator in 2mm × 2mm DFN

Data Sheet (Rev. B) Product Selection Table
Part Models
20
1ku List Price
Starting From $2.00
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Part Details

  • Generates Low Noise Bias Voltage from Single Cell Li-Ion Battery
  • Output Current: Up to 40mA
  • Low Output Ripple and Noise: <500μVP-P
  • Boost Regulator
    • 1MHz Operation (LT3048)
    • 2.2MHz Operation (LT3048-XX)
    • Integrated Schottky Diode
  • Low Dropout Linear Regulator
    • 1.235V Feedback Voltage (LT3048)
    • Low Noise: <120μVRMS (10Hz to 100kHz)
    • 0.1% Load Regulation
  • Fixed 3.3V, 5V, 12V, 15V and Adjustable Output Options
  • Short-Circuit and Thermal Protection
  • Load Disconnect in Shutdown
  • Available in 2mm × 2mm DFN Package
LT3048 Series
Low Noise Bias Generator in 2mm × 2mm DFN
LT3048 Application Circuit LT3048 Pin Configuration LT3048 Pin Configuration LT3048 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

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Hardware Ecosystem

Parts Product Life Cycle Description
LT3095
PRODUCTION Dual-Channel Low Noise Bias Generators
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT3048
  • LT3048-12
  • LT3048-15
  • LT3048-3.3
  • LT3048-5
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC2120A

LT3048-15 Demo Board | Boost with Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, 15VOUT @ up to 35mA

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Product Details

Demonstration circuit 2120A features the LT3048-15, a Boost DC/DC Converter with integrated Schottky diode and LDO in a 2mm × 2mm DFN package. This demo board is designed to convert a 2.7V to 4.8V input to a 15V output at 19mA to 35mA with low output ripple and noise. The LT3048-15 is programmed for 2MHz switching frequency.

eval board
schematic 2
schematic 3
schematic 4
schematic 5
DC2258A

LT3048 Demo Board | Boost, Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, VOUT = 20V @ up to 25mA

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Product Details

Demonstration circuit 2258A features the LT3048, a Boost DC/DC Converter with integrated Schottky diode and LDO in a 2mm × 2mm DFN package. This demo board is designed to convert a 2.7V to 4.8V input to a 20V output at 10mA to 25mA with low output ripple and noise. The LT3048 allows for the output to be programmed up to 23V. The LT3048 is programmed for 1MHz switching frequency.
DC2120A
LT3048-15 Demo Board | Boost with Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, 15VOUT @ up to 35mA
DC2120A - Schematic
DC2258A
LT3048 Demo Board | Boost, Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, VOUT = 20V @ up to 25mA
DC2258A Evaluation Board DC2258A Evaluation Board - Top View DC2258A Evaluation Board - Bottom View DC2258A - Schematic

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