LTC3896

RECOMMENDED FOR NEW DESIGNS

150V Low IQ, Synchronous Inverting DC/DC Controller

Data Sheet Product Selection Table
Part Models
6
1ku List Price
Starting From $5.61
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Part Details

  • Wide VIN + |VOUT–| Range: 4V to 140V (150V Abs Max)
  • Wide Output Voltage Range: –60V to –0.8V
  • Ground-Referenced Control / Interface Pins
  • Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)
  • Integrated Bootstrap Diode
  • Low Operating IQ: 40μA (Shutdown = 10μA)
  • Selectable Gate Drive UVLO Thresholds
  • Onboard LDO or External NMOS LDO for DRVCC
  • EXTVCC LDO Powers Drivers from Output
  • Phase-Lockable Frequency (75kHz to 850kHz)
  • Programmable Fixed Frequency (50kHz to 900kHz)
  • Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads
  • Adjustable Burst Clamp and Current Limit
  • Power Good Output Voltage Monitor
  • Programmable Input Overvoltage Lockout
  • 38-Lead TSSOP High Voltage Package
LTC3896
150V Low IQ, Synchronous Inverting DC/DC Controller
High Efficiency 36V–72V to –48V/2A Inverting Regulator Efficiency and Power Loss vs Load Current Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Application Note 1

Design Note 1

Technical Articles 2

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
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4366
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC3896

LTpowerCAD 1

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.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
DC2447A

LTC3896EFE Demo Board | Sync Inverting Controller, 7V ≤ VIN ≤ 72V; VOUT = -12V @ 5A

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Product Details

Demonstration circuit 2447A is a high voltage, high efficiency synchronous inverting converter featuring the LTC3896. This demo board has a wide input voltage range from 7V to 72V and produces a –12V output voltage.


The DC2447A is capable of delivering up to 5A of output current. Note that the thermal stress increases at lower input voltages due to increased input current.
DC2447A
LTC3896EFE Demo Board | Sync Inverting Controller, 7V ≤ VIN ≤ 72V; VOUT = -12V @ 5A
DC2447A Demo Board Schematic

Latest Discussions

1 Years Ago
RE: Output voltage range of the LTC3896
2 Years Ago
RE: LTC3896 Filter design
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