LM3102MH/NOPB National Semiconductor, LM3102MH/NOPB Datasheet
LM3102MH/NOPB
Specifications of LM3102MH/NOPB
*LM3102MH/NOPB
LM3102MH
Related parts for LM3102MH/NOPB
LM3102MH/NOPB Summary of contents
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... Integrated dual N-Channel main and synchronous MOSFETs ■ Thermally enhanced eTSSOP-20 package Typical Application SIMPLE SWITCHER® registered trademark of National Semiconductor Corporation © 2010 National Semiconductor Corporation LM3102 Features ■ Low component count and small solution size ■ ...
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Connection Diagrams Ordering Information Order Number Package Type LM3102MH Exposed Pad TSSOP-20 LM3102MHX 28–ball μSMD LM3102TL-1 28–ball μSMD LM3102TLX-1 www.national.com 30021302 20-lead Plastic eTSSOP NS Package Number MXA20A 28–ball µBGA — Balls Facing Down NS Package Number TLC28VFA NSC Package ...
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Pin Descriptions Pin Ball Name 1,9,10,12,19, N A2, A3, B2, SW B3, C2, C3, D2, D3 A4, B4 VIN 6 C4 BST 7 E3, E4, F1, AGND F2, F3 ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VIN, RON to AGND SW to AGND SW to AGND (Transient) VIN to SW BST to SW All Other Inputs to AGND ESD Rating (Note 2) Human Body Model ...
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Symbol Parameter V Feedback over-voltage threshold FB- Thermal Shutdown T Thermal shutdown temperature SD T Thermal shutdown temperature SD-HYS hysteresis Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are ...
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Typical Performance Characteristics All curves are taken 18V with the configuration in the typical application circuit for 25°C, unless otherwise specified. A Quiescent Current Switching Frequency, f www.national.com ...
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R vs Temperature DS(on) 30021309 V Regulation vs Load Current OUT (V = 3.3V) OUT 30021311 V Regulation vs Load Current OUT (V = 0.8V) OUT 30021313 Efficiency vs Load Current (V = 3.3V) OUT Efficiency vs Load Current (V ...
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Enable Transient (V = 3.3V, 2.5A Loaded) OUT Continuous Mode Operation (V = 3.3V, 2.5A Loaded) OUT DCM to CCM Transition (V = 3.3V, 0.15A - 2.5A Load) OUT www.national.com (V 30021314 Discontinuous Mode Operation (V OUT 30021316 (V = ...
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Valley Current Limit V = 5.0V @ 25°C OUT 30021354 9 www.national.com ...
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Simplified Functional Block Diagram www.national.com 10 30021320 ...
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Functional Description The LM3102 Step Down Switching Regulator features all re- quired functions to implement a cost effective, efficient buck power converter capable of supplying 2. load. It con- tains Dual N-Channel main and synchronous MOSFETs. The Constant ...
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The LM3102 can be remotely shutdown by pulling the voltage of the EN pin below 1V. In this shutdown mode, the SS pin is internally grounded, the on-timer is disabled, and bias cur- rents are reduced. Releasing the EN pin ...
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N-Channel MOSFET and Driver The LM3102 integrates an N-Channel main MOSFET and an associated floating high voltage main MOSFET gate driver. The gate drive circuit works in conjunction with an external bootstrap capacitor C and an internal high voltage diode. ...
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Applications Information EXTERNAL COMPONENTS The following guidelines can be used to select external com- ponents. : These resistors should be chosen from stan- R and R FB1 FB2 dard values in the range of 1.0 kΩ kΩ, satisfying ...
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C and C : The function supply most of the main IN IN IN3 MOSFET current during the on-time, and limit the voltage rip- ple at the VIN pin, assuming that the voltage source connect- ing ...
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Typical Application Schematic for V OUT 16 30021336 = 0.8V ...
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Table 1 TLC28XXX dimensions 17 30021356 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 28–Ball μSMD NS Package Number TLC28VFA See Table 1 for VFA dimensions 20-Lead Plastic eTSSOP Package NS Package Number MXA20A 18 ...
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Notes 19 www.national.com ...
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