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LMZ14203H 데이터시트(PDF) 3 Page - Texas Instruments |
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LMZ14203H 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 31 page Exposed Pad Connect to GND 5 SS 6 FB 3 EN 1 VIN 2 RON 4 GND 7 VOUT LMZ14203H www.ti.com SNVS692G – JANUARY 2011 – REVISED OCTOBER 2015 5 Pin Configuration and Functions NDW Package 7-Pin TO-PMOD Top View Pin Functions PIN TYPE DESCRIPTION NO. NAME 1 VIN Power Supply input — Additional external input capacitance is required between this pin and the exposed pad (EP). ON-time resistor — An external resistor from VIN to this pin sets the ON-time and frequency of the 2 RON Analog application. Typical values range from 100k to 700k ohms. 3 EN Analog Enable — Input to the precision enable comparator. Rising threshold is 1.18 V. 4 GND Ground Ground — Reference point for all stated voltages. Must be externally connected to EP. 5 SS Analog Soft-Start — An internal 8-µA current source charges an external capacitor to produce the soft-start function. Feedback — Internally connected to the regulation, overvoltage, and short-circuit comparators. The 6 FB Analog regulation reference point is 0.8 V at this input pin. Connect the feedback resistor divider between the output and ground to set the output voltage. Output Voltage — Output from the internal inductor. Connect the output capacitor between this pin and the 7 VOUT Power EP. Exposed Pad — Internally connected to pin 4. Used to dissipate heat from the package during operation. — EP Ground Must be electrically connected to pin 4 external to the package. 6 Specifications 6.1 Absolute Maximum Ratings (1) (2) (3) MIN MAX UNIT VIN, RON to GND –0.3 43.5 V EN, FB, SS to GND –0.3 7 V Junction Temperature 150 °C Peak Reflow Case Temperature (30 s) 245 °C Storage Temperature –65 150 °C (1) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (2) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (3) For soldering specifications, see the application note Absolute Maximum Ratings for Soldering (SNOA549) 6.2 ESD Ratings VALUE UNIT V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LMZ14203H |
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