LM2984T/NOPB National Semiconductor, LM2984T/NOPB Datasheet
LM2984T/NOPB
Specifications of LM2984T/NOPB
*LM2984T/NOPB
LM2984T
Related parts for LM2984T/NOPB
LM2984T/NOPB Summary of contents
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... May be increased without bound to maintain regulation during transients. Locate as close as possible to C OUT the regulator. This capacitor must be rated over the same operating temperature range as the regulator. The equivalent series resistance (ESR) of this capacitor is critical; see curve. © 2008 National Semiconductor Corporation Features ■ Three low dropout tracking regulators ■ ...
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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 Survival Voltage (<100 ms) Operational Voltage Internal Power Dissipation Electrical Characteristics = 10 μF, unless otherwise indicated. Boldface type refers to limits over the entire operating tem- ...
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Parameter V (Pin 10) buffer Output Impedance 120 Hz O Quiescent Current I = 100 mA buf Output Noise Voltage 10 Hz–100 kHz, I Long Term Stability Ripple Rejection f = 120 Hz o Dropout Voltage ...
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Electrical Characteristics = 10 μ μ 14V OUT buf operating temperature range, −40°C Parameter Tracking and Isolation ≤ Tracking I 500 mA, I OUT ≤ V –V I 7.5 mA OUT stby ...
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Parameter Computer Monitor/Reset Functions μP Monitor Reset VμP mon Oscillator Pulse Width (RESET Minimum μP Monitor (Note 7) Input Pulse Width Reset Fall Time R = 10k, V rst Reset Rise Time R = 10k, V rst On/Off Switch Input ...
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Pin Descriptions Pin No External Components Component Typical Value Component 1 μF 0.47 μF–10 μ 130k t 0.33 μF 0.033 μF–3.3 μ 0.01 μF ...
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Typical Circuit Waveforms Connection Diagram Order Number LM2984T See NS Package Number TA11B 7 1125203 1125204 www.national.com ...
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Typical Performance Characteristics Dropout Voltage (V Dropout Voltage (V Dropout Voltage (V www.national.com ) OUT 1125216 ) stby 1125218 ) buf 1125220 8 Dropout Voltage (V ) buf 1125217 Dropout Voltage (V ) OUT 1125219 Dropout Voltage (V ) stby ...
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Peak Output Current (V ) OUT 1125222 Peak Output Current (V ) stby 1125224 Quiescent Current (V ) buf 1125226 Peak Output Current (V Quiescent Current (V Quiescent Current ( buf 1125223 ) OUT 1125225 ) stby 1125227 ...
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Quiescent Current (V Quiescent Current (V Quiescent Current (V www.national.com ) OUT 1125228 ) stby 1125230 ) buf 1125232 10 Quiescent Current (V ) buf 1125229 Quiescent Current (V ) OUT 1125231 Quiescent Current (V ) stby 1125233 ...
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Output Voltage (V ) OUT 1125234 Output Voltage (V ) stby 1125236 Low Voltage Behavior (V ) buf 1125238 Output Voltage (V Low Voltage Behavior (V Low Voltage Behavior ( buf 1125235 ) OUT 1125237 ) stby 1125239 ...
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Line Transient Response (V Line Transient Response (V Load Transient Response (V www.national.com ) OUT 1125240 ) stby 1125242 ) buf 1125244 12 Line Transient Response (V ) buf 1125241 Load Transient Response (V ) OUT 1125243 Load Transient Response ...
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Output Impedance (V ) OUT 1125246 Output Impedance (V ) stby 1125248 Ripple Rejection (V ) buf 1125250 Output Impedance (V Ripple Rejection (V Ripple Rejection ( buf 1125247 ) OUT 1125249 ) stby 1125251 www.national.com ...
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Output Voltage Output Capacitor ESR (Standby Output, Pin 9) Output Capacitor ESR (Main Output, Pin 11) www.national.com Device Dissipation vs Ambient Temperature 1125208 Output Capacitor ESR (Buffer Output, Pin 10) 1125210 1125212 14 1125209 1125211 ...
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Application Hints OUTPUT CAPACITORS The LM2984 output capacitors are required for stability. With- out them, the regulator outputs will oscillate, sometimes by many volts. Though the 10 μF shown are the minimum rec- ommended values, actual size and type may ...
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(seconds) dly t t The delayed RESET will be initiated any time the main output is out of regulation, i.e. during power-up, short circuit, over- voltage, low line, thermal shutdown or power-down. The μP is ...
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Equivalent Schematic Diagram 17 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted Molded TO-220 Package (TA) Order Number LM2984T NS Package Number TA11B 18 ...
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Notes 19 www.national.com ...
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