LM2832ZMY EVAL National Semiconductor, LM2832ZMY EVAL Datasheet
LM2832ZMY EVAL
Specifications of LM2832ZMY EVAL
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LM2832ZMY EVAL Summary of contents
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... Additional fea- tures include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output over-voltage protection. Typical Application Circuit © 2006 National Semiconductor Corporation Features n Input voltage range of 3.0V to 5.5V n Output voltage range of 0.6V to 4.5V n 2.0A output current n High Switching Frequencies 1 ...
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Connection Diagrams 6-Pin LLP Ordering Information Frequency Order Number Option LM2832XMY LM2832XMYX 1.6MHz LM2832XSD LM2832XSDX LM2832YMY LM2832YMYX 0.55MHz LM2832YSD LM2832YSDX LM2832ZMY LM2832ZMYX 3MHz LM2832ZSD LM2832ZSDX NOPB versions available as well www.national.com 20197501 NSC Package Package Type Drawing eMSOP-8 MUY08A LLP-6 ...
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Pin Descriptions 8-Pin eMSOP Pin Name Function 1 VIND Power Input supply. 2 VINA Control circuitry supply voltage. Connect VINA to VIND on PC board GND Signal and power ground pin. Place the bottom resistor of the ...
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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 FB Voltage EN Voltage SW Voltage ESD Susceptibility Junction Temperature (Note 2) Electrical Characteristics standard type are for T = 25˚C only; limits in boldface type apply over the junction temperature (T J +125˚ ...
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Electrical Characteristics standard type are for T = 25˚C only; limits in boldface type apply over the junction temperature (T J +125˚C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely ...
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Typical Performance Characteristics plication circuit shown in Application Information section of this datasheet. T η vs Load "X, Y and Z" Vin = 3.3V 1.8V η vs Load - "Y" Vin = 5V 3.3V & 1.8V ...
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Typical Performance Characteristics application circuit shown in Application Information section of this datasheet. T specified. (Continued) Load Regulation Vin = 5V 3.3V (All Options) Oscillator Frequency vs Temperature - "Y" Current Limit vs Temperature Vin = 3.3V All ...
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Typical Performance Characteristics application circuit shown in Application Information section of this datasheet. T specified. (Continued) RDSON vs Temperature (eMSOP-8 Package) LM2832Y I (Quiescent Current) Q www.national.com All curves taken at VIN = 5.0V with configuration in typical = 25˚C, ...
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Typical Performance Characteristics application circuit shown in Application Information section of this datasheet. T specified. (Continued) Line Regulation Vo = 1.8V 500mA Gain vs Frequency (Vin = 5V 1.2V All curves taken at VIN = 5.0V ...
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Simplified Block Diagram www.national.com FIGURE 1. 10 20197504 ...
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Applications Information THEORY OF OPERATION The LM2832 is a constant frequency PWM buck regulator IC that delivers a 2.0A load current. The regulator has a preset switching frequency of 1.6MHz or 3.0MHz. This high fre- quency allows the LM2832 to ...
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Design Guide INDUCTOR SELECTION The Duty Cycle (D) can be approximated quickly using the ratio of output voltage ( input voltage (V O The catch diode (D1) forward voltage drop and the voltage drop across the internal PMOS ...
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Design Guide (Continued) Sanyo POSCAP, Tantalum or Niobium, Panasonic SP, and multilayer ceramic capacitors (MLCC) are all good choices for both input and output capacitors and have very low ESL. For MLCCs it is recommended to use X7R or X5R ...
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Calculating Efficiency, and Junction Temperature The complete LM2832 DC/DC converter efficiency can be calculated in the following manner. Or Calculations for determining the most significant power losses are shown below. Other losses totaling less than 2% are not discussed. Power ...
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... Once this is determined, the maximum ambient temperature allowed for a desired junction temperature can be found. An example of calculating R National Semiconductor LM2832 LLP demonstration board is shown below. The four layer PCB is constructed using FR4 with copper traces. The copper ground plane is on the bottom layer ...
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LLP Package (Continued) FIGURE 5. 6-Lead LLP PCB Dog Bone Layout www.national.com 20197506 16 ...
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LM2832X Design Example 1 FIGURE 6. LM2832X (1.6MHz): Vin = 5V 1.2V Part ID U1 2.0A Buck Regulator C1, Input Cap C2, Output Cap 2x22µF, 6.3V, X5R D1, Catch Diode 0. Bill of Materials ...
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LM2832X Design Example 2 FIGURE 7. LM2832X (1.6MHz): Vin = 5V 0.6V Part ID U1 C1, Input Cap C2, Output Cap D1, Catch Diode 0. www.national.com Bill of Materials Part Value Manufacturer 2.0A Buck ...
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LM2832X Design Example 3 FIGURE 8. LM2832X (1.6MHz): Vin = 5V 3.3V Part ID U1 2.0A Buck Regulator C1, Input Cap C2, Output Cap 2x22µF, 6.3V, X5R D1, Catch Diode 0. Bill of Materials ...
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LM2832Y Design Example 4 FIGURE 9. LM2832Y (550kHz): Vin = 5V, Vout = 3.3V Bill of Materials Part ID U1 1.5A Buck Regulator C1, Input Cap C2, Output Cap D1, Catch Diode 0. www.national.com Part Value Manufacturer ...
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LM2832Y Design Example 5 FIGURE 10. LM2832Y (550kHz): Vin = 5V, Vout = 1.2V Part ID U1 1.5A Buck Regulator C1, Input Cap C2, Output Cap 2x22µF, 6.3V, X5R D1, Catch Diode 0. Bill of Materials Part ...
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LM2832Z Design Example 6 FIGURE 11. LM2832Z (3MHz): Vin = 5V 3.3V Part ID U1 C1, Input Cap C2, Output Cap D1, Catch Diode 0. www.national.com Bill of Materials Part Value Manufacturer 2.0A Buck ...
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LM2832Z Design Example 7 FIGURE 12. LM2832Z (3MHz): Vin = 5V 1.2V Part ID U1 2.0A Buck Regulator C1, Input Cap C2, Output Cap 2x22µF, 6.3V, X5R D1, Catch Diode 0. Bill of Materials ...
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LM2832X Dual Converters with Delayed Enabled Design Example 8 FIGURE 13. LM2832X (1.6MHz): Vin = 5V 1.2V Part ID U1 C1, C3 Input Cap C2, C4 Output Cap C7 D1, D2 Catch Diode L1, L2 R2, ...
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LM2832X Buck Converter & Voltage Double Circuit with LDO Follower Design Example 9 FIGURE 14. LM2832X (1.6MHz): Vin = 5V 3.3V Part ID Part Value U1 2.0A Buck Regulator U2 200mA LDO C1, Input Cap 22µF, 6.3V, X5R ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 8-Lead eMSOP Package NS Package Number MUY08A 6-Lead LLP Package NS Package Number SDE06A 26 ...
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