LM2853MH-1.0/NOPB National Semiconductor, LM2853MH-1.0/NOPB Datasheet

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... The exposed-pad TSSOP-14 package enhances the thermal performance of the LM2853. Typical Application Circuit SIMPLE SWITCHER ® Registered Trademark of National Semiconductor Corporation. © 2006 National Semiconductor Corporation Features n Input voltage range of 3.0V to 5.5V buck regu- ® ...

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... Order Number Option LM2853MH-0.8 0.8 LM2853MHX-0.8 LM2853MH-1.0 1.0 LM2853MHX-1.0 LM2853MH-1.2 1.2 LM2853MHX-1.2 LM2853MH-1.5 1.5 LM2853MHX-1.5 LM2853MH-1.8 1.8 LM2853MHX-1.8 LM2853MH-2.5 2.5 LM2853MHX-2.5 LM2853MH-3.0 3.0 LM2853MHX-3.0 LM2853MH-3.3 3.3 LM2853MHX-3.3 Note: Contact factory for other voltage options. Pin Descriptions Pin # 6,7 8,9 10,11 12,13 ...

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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. AVIN, PVIN, EN, SNS, SW, SS ESD Susceptibility (Note 2) Power Dissipation Storage Temperature Range Maximum Junction Temp. Electrical Characteristics type apply over the full Junction Temperature Range (−40˚C to 125˚C). Minimum and Maximum limits are guaranteed through test, design or statistical correlation ...

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Electrical Characteristics apply over the full Junction Temperature Range (−40˚C to 125˚C). Minimum and Maximum limits are guaranteed through test, design or statistical correlation. Typical values represent the most likely parametric norm at T reference purposes only. Unless otherwise specified ...

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Typical Performance Characteristics = AVIN = PVIN = 5V 25˚C. J Efficiency vs. I LOAD V = 1.8V OUT Efficiency vs. I LOAD V = 2.5V OUT Efficiency vs. I LOAD V = 3.3V OUT Unless otherwise specified, ...

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Typical Performance Characteristics = AVIN = PVIN = 5V 25˚C. (Continued vs. V and Temperature Q IN www.national.com Unless otherwise specified, the following conditions apply vs 20201510 6 IN and Temperature IN ...

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Block Diagram Applications Information The LM2853 is a DC-DC buck regulator belonging to Na- tional Semiconductor’s synchronous SIMPLE SWITCHER family. Integration of the PWM controller, power switches and compensation network greatly reduces the component count required to implement a switching ...

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Applications Information Since it is undesirable for the power supply to start up in current limit, a soft-start capacitor must be chosen to force the LM2853 to start more controlled fashion based on the charging of the ...

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Applications Information CHOOSING AN INDUCTANCE VALUE The current ripple present in the output filter inductor is determined by the input voltage, output voltage, switching frequency and inductance according to the following equa- tion: where ∆I is the peak to peak ...

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Applications Information Capacitance (µF) Part Number 220 TPSD227M006#0050 220 NOSD227M0040060 SPLIT-RAIL OPERATION The LM2853 can be powered using two separate voltages for AVIN and PVIN. AVIN is the supply for the control logic; PVIN is the supply for the power ...

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... LM2853 Example Circuit Schematic ID Part Number U LM2853MH-3 GRM31CR60J476ME19 IN C GRM21BR71C105KA01 BYP C VJ0805Y222KXXA SS L DO3316P-682 O C 594D127X06R3C2T O ID Part Number U LM2853MH-1 GRM31CR60J476ME19 IN C GRM21BR71C105KA01 BYP CSS VJ0805Y222KXXA L DO3316P-472 O C NOSD157M006R0070 O (Continued) Bill of Materials for 5V to 3.3V Conversion Type Size 3A Buck ETSSOP-14 Capacitor 1206 ...

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