LM27222M/NOPB National Semiconductor, LM27222M/NOPB Datasheet
LM27222M/NOPB
Specifications of LM27222M/NOPB
Related parts for LM27222M/NOPB
LM27222M/NOPB Summary of contents
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... To support low power states in notebook systems, the LM27222 draws only 5µA from the 5V rail when the IN and LEN inputs are low or floating. Typical Application © 2006 National Semiconductor Corporation Features n Adaptive shoot-through protection n 10ns dead time n 8ns propagation delay n 30ns minimum on-time n 0.4Ω ...
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Connection Diagram Ordering Information Order Number Size NSC Drawing # LM27222M SO-8 LM27222MX LM27222SD LLP-8 LM27222SDX Pin Descriptions Pin # Pin Name 1 SW High-side driver return. Should be connected to the common node of high and low-side MOSFETs. 2 ...
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Block Diagram 20117903 3 www.national.com ...
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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 GND GND GND (Note 2) LEN, IN GND -0. GND Junction Temperature Electrical Characteristics VCC = GND = 0V, unless otherwise specified. Typicals and limits appearing in plain type apply for T +25˚ ...
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Electrical Characteristics VCC = GND = 0V, unless otherwise specified. Typicals and limits appearing in plain type apply for T +25˚C. Limits appearing in boldface type apply over the entire operating temperature range (-40˚C ≤ ...
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Typical Waveforms FIGURE 2. PWM Low-to-High Transition at IN Input The typical waveforms are from a circuit similar to Figure 1 with: Q1 Si7390DP Q2 Si7356DP L1: 0.4 µ 12V IN www.national.com 20117907 FIGURE ...
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Application Information GENERAL The LM27222 is designed for high speed and high operating reliability. The driver can handle very narrow, down to zero, PWM pulses in a guaranteed, deterministic way. Therefore, the HG and LG outputs are always in predictable ...
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Application Information POWER DISSIPATION The power dissipated in the driver IC when switching syn- chronously can be calculated as follows: where f = switching frequency voltage at the V pin total gate charge ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 8-Lead Small Outline Package Order Number: LM27222M, LM27222MX NS Package Number M08A 8-Lead LLP Package Order Number: LM27222SD, LM27222SDX NS Package Number SDC08A 10 ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...