LT3796
LT3796-1

PRODUCTION

100V Constant-Current and Constant-Voltage Controller with Dual Current Sense

Data Sheet Product Selection Table
Part Models
12
1ku List Price
Starting From $4.13
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Part Details

  • 3000:1 True Color PWM™ Dimming
  • Wide Input Voltage Range: 6V to 100V
  • Current Monitoring Up to 100V
  • High Side PMOS Disconnect and PWM Switch Driver
  • Constant-Current and Constant-Voltage Regulation
  • Dual Current Sense Amplifiers with Reporting
  • C/10 Detection for Battery and SuperCap Charging
  • Linear Current Sense Threshold Programming
  • Short-Circuit Protection
  • Adjustable Frequency: 100kHz to 1MHz
  • Frequency Synchronization (LT3796)
  • Independent Top Gate Enable Pin (LT3796-1)
  • Programmable Open LED Protection with VMODE Flag
  • Programmable Undervoltage Lockout with Hysteresis
  • Soft-Start with Programmable Fault Restart Timer
  • Available in 28-Lead TSSOP Package
LT3796
LT3796-1
100V Constant-Current and Constant-Voltage Controller with Dual Current Sense
Boost LED Driver with Input Current Monitor Efficiency vs VIN Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 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
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LTC2995
PRODUCTION Temperature Sensor and Dual Voltage Monitor with Alert Outputs
PowerPath, Ideal Diodes, and Load Switches 1
LTC4359
RECOMMENDED FOR NEW DESIGNS Ideal Diode Controller with Reverse Input Protection
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LTC4366
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper
TimerBlox 1
LTC6992
TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)
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Tools & Simulations

LTspice 4

Models for the following parts are available in LTspice:

  • LT3796
  • LT3796-1
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.

Evaluation Kits

eval board
schematic 1
DC1706A

LT3796EFE Demo Board | 100V LED Controller with Current Monitor; 8V to 85VIN, up to 85VOUT @ 0.4A

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Product Details

DC1706A is a 100V LED controller with an input current monitor. It is a single switch boost LED driver with LED+ to GND short circuit protection. It accepts an input voltage from 8V to 100V (7.5V UVLO and 8.7V turn-on), and drives up to 85V of LEDs at 400mA (when PVIN is less than VLED). DC1706A features both PWM and analog dimming of the LED string. It has a VMODE flag that indicates when the LED string has been removed and it has a FAULT flag that indicates that the output has been shorted to GND. In both cases, the IC remains in control and well protected.
DC1706A
LT3796EFE Demo Board | 100V LED Controller with Current Monitor; 8V to 85VIN, up to 85VOUT @ 0.4A
DC1706A - Schematic

Latest Discussions

2 Years Ago
RE: FLT Pin for LT3796 PWM Input
3 Years Ago
RE: LT3796 EVK issue
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