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LM10011 bảng dữ liệu(PDF) 9 Page - Texas Instruments |
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LM10011 bảng dữ liệu(HTML) 9 Page - Texas Instruments |
9 / 24 page rise Edge-Detector fall VIDA UVLO D Q Q R UVLO rise fall VID[3] Bandgap Core + - IREF 6 bit IDAC IDAC_OUT 0 ± 56.4 / 59.2 µA (4-bit / 6-bit) UVLO (VDD > 2.65V) PRECISION ENABLE (1.34V) VDD EN DISABLE GND Slew Limit Logic Receiver Update DAC VIDB VIDC VIDS 3 µs deglitch Logic Receiver 3 µs deglitch Logic Receiver 3 µs deglitch Logic Receiver 6 µs deglitch VID[0] D Q Q R UVLO D Q Q R UVLO rise fall VID[4] VID[1] D Q Q R UVLO D Q Q R UVLO rise fall VID[5] VID[2] D Q Q R 3 µs deglitch VID Start- Up Current Set 6-BIT MODE=0 Edge- Detector VID[0] VID[1] VID[2] VID[3] 4-BIT MODE=1 MODE RSET 3 µs deglitch LM10011 www.ti.com SNVS822A – DECEMBER 2012 – REVISED NOVEMBER 2014 7 Detailed Description 7.1 Overview The LM10011 is a precision current DAC used for controlling any point of load regulator with an adjustable resistor feedback network. Four VID communication lines (VIDA, VIDB, VIDC, and VIDS) are used to write a 6-bit or 4-bit VID value. The output of the IDAC (IDAC_OUT) is used to inject a precision current into the feedback node of a regulator, thus adjusting the output voltage. With this method, it is possible to precisely control the output voltage of the regulator. An enable pin (EN) is provided to allow for a reduced quiescent current when not in use. Also, the VDD line is monitored so that an undervoltage event will shutdown the LM10011 (IDAC_OUT = 0.0 µA). The device is available in a 10-pad No-Pullback Package (SON-10). The LM10011 can be used in numerous applications with regulators from 2.97-V to 5.5-V supplies. 7.2 Functional Block Diagram Copyright © 2012–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM10011 |
Số phần tương tự - LM10011_15 |
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Mô tả tương tự - LM10011_15 |
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