LM2630MTC-ADJ National Semiconductor, LM2630MTC-ADJ Datasheet
LM2630MTC-ADJ
Specifications of LM2630MTC-ADJ
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LM2630MTC-ADJ Summary of contents
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... This latched operation is disabled during startup, but an internal timer will enable it if the output does not come up in the preset time. Typical Application Circuit © 2011 National Semiconductor Corporation 100120 Version 9 Revision 2 LM2630 Features ■ ...
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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. Voltages from the indicated pins to GND and PGND CBOOT SD SW CSH, CSL FPWM, SYNC Power Dissipation (T = 70°C), A (Note 2) Electrical Characteristics Specifications in standard type face are for T range ...
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Symbol Parameter Regulator Window Detector Thresholds (PGOOD from High to Low) Regulator Window Detector Thresholds (PGOOD from Low to High) Gate Drive V Bootstrap Voltage (Voltage from BOOT CBOOT to SW) I CBOOT Leakage Current BOOT High Drive Source Current ...
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... Note 3: For detailed information on soldering plastic small-outline packages, refer to the Packaging Databook available from National Semiconductor Corporation. Note 4: For testing purposes, ESD was applied using the human-body model, a 100 pF capacitor discharged through a 1.5 kΩ resistor. ...
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Typical Performance Characteristics Efficiency vs Load Current (FPWM = Low, V OUT Quiscent Supply Current vs Supply Voltage (Not Switching, FPWM = Low, V Supply Current vs Oscillator Frequency (FPWM = High) 100120 Version 9 Revision 2 Efficiency (FPWM = ...
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Oscillator Frequency vs Junction Temperature www.national.com Reference Voltage vs Junction Temperature 10012013 6 100120 Version 9 Revision 2 Print Date/Time: 2011/08/25 17:11:52 10012014 ...
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... Version 9 Revision 2 20-Lead TSSOP (MTC) 10012002 Top View Order Number LM2630MTC-ADJ See NS Package Number MTC20 Shutdown control input, active low. Oscillator synchronization input. Connect this pin to ground if not used. A constant monitor on the output voltage. PGOOD will go low if the output voltage exceeds ± ...
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Block Diagram Operation BASIC OPERATION OF THE CURRENT MODE CONTROLLED SWITCHING REGULATOR The main control loop includes the error amplifier, the current amplifier and PWM comparator (as shown in heavy load or any load with FPWM mode enabled, the con- ...
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The zero cross detector is disabled in FPWM mode. For any peak current mode step-down ...
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A reasonable value is setting the ripple current to be 30% of the dc output current. Since the ripple current increase with the input voltage, the maximum input voltage is always used to determine the inductance. The dc ...
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Application Circuits A typical application circuit is shown in Figure the components values shown in Table TABLE 1. Components for Typical 2.5V, 300kHz Application Circuits Input Voltage Output Current Application Q1 and Q2 Inductor L1 Input Capacitors Output Capacitors Rectifier ...
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FIGURE 3. High Efficiency, 300 kHz 2.5V Converter. www.national.com Efficiency is 94% (typ load. 12 100120 Version 9 Revision 2 Print Date/Time: 2011/08/25 17:11:52 10012005 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted 100120 Version 9 Revision 2 20-Lead TSSOP (MTC) Order Number LM2630MTC-ADJ NS Package Number MTC20 13 Print Date/Time: 2011/08/25 17:11:52 www.national.com ...
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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...