LM2653MTC-ADJ/NOPB National Semiconductor, LM2653MTC-ADJ/NOPB Datasheet
LM2653MTC-ADJ/NOPB
Specifications of LM2653MTC-ADJ/NOPB
*LM2653MTC-ADJ/NOPB
LM2653MTC-ADJ
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LM2653MTC-ADJ/NOPB Summary of contents
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... Typical Application Efficiency vs Load Current ( 3.3V) IN OUT 10104902 © 2005 National Semiconductor Corporation Features n Efficiency 14V input voltage range n 1.5V to 5.0V adjustable output voltage n 0.1Ω Switch On Resistance n 300 kHz fixed frequency internal oscillator n 7 µA shutdown current n Patented current sensing for current mode control ...
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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. Input Voltage PGOOD Pin Voltage Feedback Pin Voltage Power Dissipation (T =25˚C), A (Note 2) Junction Temperature Range Storage Temperature Range Electrical Characteristics Specifications with standard typeface are for T Range ...
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Electrical Characteristics Specifications with standard typeface are for T Range 10V unless otherwise specified. IN Symbol Parameter V Bootstrap Regulator Voltage I BOOT G Error Amplifier M Transconductance A Error Amplifier Voltage Gain V I Error Amplifier Source ...
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Electrical Characteristics Note 2: The maximum allowable power dissipation is calculated by using P ambient temperature, and θ is the junction-to-ambient thermal resistance of the specified package. The 893 mW rating results from using 150˚C, 25˚C, and JA , and ...
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Typical Performance Characteristics R vs Junction Temperature SW(ON) Current Limit vs Junction Temperature (V Sleep Mode Threshold vs Output Voltage (V (Continued) Current Limit vs Input Voltage (V 10104924 = 2.5V) Reference Voltage vs Junction Temperature OUT 10104928 = 5V) ...
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... PGND www.national.com 16-Lead TSSOP (MTC) 10104914 Top View Order Number LM2653MTC-ADJ See NS Package Number MTC16 Switched-node connection, which is connected with the source of the internal high-side MOSFET. Main power supply input pin. Connected to the drain of the high-side MOSFET. Bootstrap capacitor connection for high-side gate drive. ...
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Block Diagram Operation The LM2653 operates in a constant frequency (300 kHz), current-mode PWM for moderate to heavy loads; and it automatically switches to hysteretic mode for light loads. In hysteretic mode, the switching frequency is reduced to keep the ...
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Operation (Continued) CAPACITOR section for more information.) Toggling the in- put supply voltage or the shutdown pin can reset the device from the latched protection mode. Design Procedure This section presents guidelines for selecting external com- ponents. INPUT CAPACITOR A ...
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Design Procedure (Continued) R and R (PROGRAMMING OUTPUT VOLTAGE Use the following formula to select the appropriate resistor values OUT REF 1 where V = 1.238V REF Select resistors between 10kΩ ...
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Typical PC Board Layout: (2X Size) www.national.com Component Placement Guide Component Side PC Board Layout 10 10104919 10104920 ...
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Typical PC Board Layout: (2X Size) (Continued) Solder Side PC Board Layout 11 10104921 www.national.com ...
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... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 16-Lead TSSOP (MTC) Order Number LM2653MTC-ADJ NS Package Number MTC16 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...