LTC3261

RECOMMENDED FOR NEW DESIGNS

High Voltage, Low Quiescent Current Inverting Charge Pump

Data Sheet Product Selection Table
Part Models
8
1ku List Price
Starting From $3.45
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Part Details

  • 4.5V to 32V VIN Range
  • Inverting Charge Pump Generates –VIN
  • 60μA Quiescent Current in Burst Mode® Operation
  • Charge Pump Output Current Up to 100mA
  • 50kHz to 500kHz Programmable Oscillator Frequency
  • Short-Circuit/Thermal Protection
  • Low Profile Thermally Enhanced 12-Pin MSOP Package
LTC3261
High Voltage, Low Quiescent Current Inverting Charge Pump
15V to –15V Inverter VOUT Ripple Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

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

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Hardware Ecosystem

Parts Product Life Cycle Description
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417
RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath™ Controller
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3261
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
schematic 4
schematic 5
schematic 6
DC1882A

LTC3261EMSE Demo Board | High Voltage, Low IQ Inverting Charge Pump, 4.5V ≤ VIN ≤ 32V, VOUT = -VIN @ 100mA

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Product Details

Demonstration circuit 1882 is a high voltage inverting charge pump featuring the LTC3261EMSE. The LTC3261 operates with an input voltage from 4.5V to 32V and provides up to 100mA of output current. The output voltage is unregulated and is the negative of the input voltage (-VIN). The demo board provides selectable Burst Mode® operation or constant-frequency mode operation, plus allows selection of the operating frequency (500kHz, 200kHz or 50kHz).
DC1882A
LTC3261EMSE Demo Board | High Voltage, Low IQ Inverting Charge Pump, 4.5V ≤ VIN ≤ 32V, VOUT = -VIN @ 100mA
DC1882A-LTC3261EMSE Demo Board DC1882A-LTC3261EMSE Demo Board DC1882A-LTC3261EMSE Demo Board DC1882A-LTC3261EMSE Demo Board DC1882A-LTC3261EMSE Demo Board DC1882A - Schematic

Latest Discussions

2 Years Ago
RE: Have a problem with the output voltage of the charge pump circuit, LTC3261. The output is lower than expected
View related discussion on EngineerZone®

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