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News
Control VOUT of Any DC/DC Regulator with a Serial PMBus Interface
2018-01-22 | Return• View the LTC7106 product page, download data sheet, order samples and evaluation boards: www.linear.com/product/LTC7106
Its internal power-on reset circuitry keeps the DAC output current at zero until a valid write takes place. Other features include a range bit for easy interfacing to almost any impedance resistor divider, and an open-drain output for controlling the Run or Enable pin of the regulator. To prevent abrupt changes in the DAC output current and subsequently the output voltage of the regulator, an internal digital programmable slew rate can be programmed from 500ns/step to 3.5ms/step.
The LTC7106 operates over an input voltage range of 2.5V to 5.5V and is supported by the easy to use LTpowerPlay® development tool with graphical user interface (GUI). Additional features include ±1% output current accuracy over temperature, a wide range bidirectional DAC output current from ±16µA to ±256µA, wide DAC operational voltage range from 0.4V to 2V, and a precision enable threshold to support external undervoltage lockout. Extended and industrial temperature versions are available from –40 to 125°C. For more information, visit www.linear.com/product/LTC7106.
Summary of Features: LTC7106
• VOUT Control of Any Regulator
• ±1% Output Current Accuracy (–40°C to 125°C)
• PMBus/I2C Compliant Serial Interface
• Input Voltage Range: 2.5V to 5.5V
• 7-Bit Programmable DAC Output Current for VOUT Control
• Wide Range of IDAC Output Current: ±16μA to ±256μA
• Programmable Slew Rate: 500ns ~ 3.5ms per Bit
• High Impedance at IDAC Output When Disabled or at DAC Code Zero
• Wide DAC Operation Output Voltage (0.4V to 2.0V)
• Precision Enable Threshold to Support External UVLO
• Available in 10-Lead 3mm × 2mm DFN Package
Availability
Product |
Production Availability |
Package |
LTC7106 |
Now |
3mm x 2mm DFN-10 |
Source:http://www.linear.com/