LT1763

RECOMMENDED FOR NEW DESIGNS

500mA, Low Noise, LDO Micropower Regulators

Data Sheet Product Selection Table
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Overview

  • Low Noise: 20μVRMS (10Hz to 100kHz)
  • Output Current: 500mA
  • Low Quiescent Current: 30μA
  • Wide Input Voltage Range: 1.8V to 20V
  • Low Dropout Voltage: 300mV
  • Very Low Shutdown Current: < 1μA
  • No Protection Diodes Needed
  • Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V
  • Adjustable Output from 1.22V to 20V
  • Stable with 3.3μF Output Capacitor
  • Stable with Aluminum, Tantalum or Ceramic Capacitors
  • Reverse Battery Protection
  • No Reverse Current
  • Overcurrent and Overtemperature Protected
  • 8-Lead SO and 12-Lead (4mm × 3mm) DFN Packages
LT1763
500mA, Low Noise, LDO Micropower Regulators
3.3V Low Noise Regulator Dropout Voltage Product Package 1 Product Package 2
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Documentation

Data Sheet 1

User Guide 2

Application Note 2

Technical Articles 5

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Hot Swap Controllers 1
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
LDO Linear Regulators 2
LT3055 Series
500mA, Linear Regulator with Precision Current Limit and Diagnostics
LT3085
RECOMMENDED FOR NEW DESIGNS Adjustable 500mA Single Resistor Low Dropout Regulator
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT1763
  • LT1763-1.5
  • LT1763-1.8
  • LT1763-2.5
  • LT1763-3
  • LT1763-3.3
  • LT1763-5
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
schematic 2
schematic 3
PMD-ARD-INTZ

Four PMOD to Arduino Interposer with Bidirectional voltage translation

Buy Now View Details

Features and Benefits

  • 4-PMOD Connector communication
    • (2) SPI
    • (1) I2C
    • (1) SPI/UART (jumper configurable)
  • Full bidirectional voltage translation between each PMOD port and the controller board
  • Independent IOREF voltage for each PMOD port
  • Use of external voltage allows max power to be delivered to each PMOD port
  • On-board I2C pull-up resistors for high load devices. (not installed by default)

Product Details

PMD-ARD-INTZ allows four PMOD boards to be interfaced to an Arduino or a similar board (EVAL-ADICUP3029, EVAL-ADICUP360). It has bidirectional voltage translation (3.3V & 5V) between each pmod port and the controller board. It can be used in on many development platforms and prototype designs. It enables a faster development by enabling off the shelf compatible pmod boards to interface with Arduino or similar MCU boards with Arduino form factor.

eval board
schematic 4
schematic 5
schematic 6
PMD-ARD-INTZ

Four PMOD to Arduino Interposer with Bidirectional voltage translation

Buy Now View Details

Features and Benefits

  • 4-PMOD Connector communication
    • (2) SPI
    • (1) I2C
    • (1) SPI/UART (jumper configurable)
  • Full bidirectional voltage translation between each PMOD port and the controller board
  • Independent IOREF voltage for each PMOD port
  • Use of external voltage allows max power to be delivered to each PMOD port
  • On-board I2C pull-up resistors for high load devices. (not installed by default)

Product Details

PMD-ARD-INTZ allows four PMOD boards to be interfaced to an Arduino or a similar board (EVAL-ADICUP3029, EVAL-ADICUP360). It has bidirectional voltage translation (3.3V & 5V) between each pmod port and the controller board. It can be used in on many development platforms and prototype designs. It enables a faster development by enabling off the shelf compatible pmod boards to interface with Arduino or similar MCU boards with Arduino form factor.

eval board
schematic 7
schematic 8
schematic 9
DC368B

LT1763 | 500mA Low Noise Micropower LDO Regulator

Buy Now View Details

Product Details

Demonstration circuit DC368B is a low noise micropower voltage regulator using the LT1763 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The ability to tolerate a wide variety of output capacitors makes them ideal in space- and cost-sensitive systems.

eval board
schematic 10
schematic 11
schematic 12
DC368B

LT1763 | 500mA Low Noise Micropower LDO Regulator

Buy Now View Details

Product Details

Demonstration circuit DC368B is a low noise micropower voltage regulator using the LT1763 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The ability to tolerate a wide variety of output capacitors makes them ideal in space- and cost-sensitive systems.

eval board
schematic 13
schematic 14
schematic 15
schematic 16
schematic 17
DC368A

OBSOLETE: LT1763CS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, VOUT = 1.22V/1.5V/1.8V/2.5V/3.3V/5V @ 500mA

Buy Now View Details

Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC368B.

Demonstration circuit DC368A is a low noise micropower voltage regulator using the 500mA LT1763 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The DC368 has an input voltage range of 2.3V to 20V and provides a jumper-selectable 1.2V/1.5V/1.8V/2.5V/3.0V/3.3V/5.0V output at 500mA.

eval board
schematic 18
schematic 19
schematic 20
schematic 21
schematic 22
DC368A

OBSOLETE: LT1763CS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, VOUT = 1.22V/1.5V/1.8V/2.5V/3.3V/5V @ 500mA

Buy Now View Details

Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC368B.

Demonstration circuit DC368A is a low noise micropower voltage regulator using the 500mA LT1763 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The DC368 has an input voltage range of 2.3V to 20V and provides a jumper-selectable 1.2V/1.5V/1.8V/2.5V/3.0V/3.3V/5.0V output at 500mA.
PMD-ARD-INTZ
Four PMOD to Arduino Interposer with Bidirectional voltage translation
PMD-ARD-INTZ Evaluation Board PMD-ARD-INTZ Evaluation Board - Top View PMD-ARD-INTZ Evaluation Board - Bottom View
PMD-ARD-INTZ
Four PMOD to Arduino Interposer with Bidirectional voltage translation
PMD-ARD-INTZ Evaluation Board PMD-ARD-INTZ Evaluation Board - Top View PMD-ARD-INTZ Evaluation Board - Bottom View
DC368B
LT1763 | 500mA Low Noise Micropower LDO Regulator
DC368B Evaluation Board DC368B Evaluation Board - Top View DC368B Evaluation Board - Bottom View
DC368B
LT1763 | 500mA Low Noise Micropower LDO Regulator
DC368B Evaluation Board DC368B Evaluation Board - Top View DC368B Evaluation Board - Bottom View
DC368A
OBSOLETE: LT1763CS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, VOUT = 1.22V/1.5V/1.8V/2.5V/3.3V/5V @ 500mA
DC368A Demo Board DC368A Demo Board DC368A Demo Board DC368A Demo Board DC368A - Schematic
DC368A
OBSOLETE: LT1763CS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, VOUT = 1.22V/1.5V/1.8V/2.5V/3.3V/5V @ 500mA
DC368A Demo Board DC368A Demo Board DC368A Demo Board DC368A Demo Board DC368A - Schematic

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