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LM2754SQX Fiches technique(PDF) 7 Page - National Semiconductor (TI) |
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LM2754SQX Fiches technique(HTML) 7 Page - National Semiconductor (TI) |
7 / 11 page Typical Performance Characteristics Unless otherwise specified: T A = 25˚C, VDx = 1V, V(IN, INSW) = 3.6V, V EN =VIN,VT/F =VTX =VSEL = 0V, CIN =C1 =C2 = 2.2µF, COUT = 4.7µF. Capacitors are low-ESR multi-layer ceramic capacitors (MLCC’s). (Continued) Battery Ripple, Gain = 1.5x Battery Ripple, Gain = 2x 20202814 VIN = Li-Ion Battery at 3.7V, Load = 400mA, LED = PWF1 CH1 (MID-TOP): VOUT; Scale: 20mV/Div, AC Coupled CH2 (MID-BOTTOM): VIN; Scale: 50mV/Div, AC Coupled CH3 (TOP): VIN; Scale: 1V/Div, DC Coupled CH4 (BOTTOM): IIN; Scale: 500mA/Div Time scale: 1µs/Div 20202815 VIN = Li-Ion Battery at 3.7V, Load = 400mA, LED = PWF1 CH1 (MID-TOP): VOUT; Scale: 20mV/Div, AC Coupled CH2 (MID-BOTTOM): VIN; Scale: 50mV/Div, AC Coupled CH3 (TOP): VIN; Scale: 1V/Div, DC Coupled CH4 (BOTTOM): IIN; Scale: 500mA/Div Time scale: 1µs/Div Startup and Shutdown Response Torch Mode (400mA) 20202816 VIN = 3.6V, Load = 400mA, LED = PWF1 CH1 (TOP): VOUT; Scale: 1V/Div, DC Coupled CH4 (MIDDLE): IIN; Scale: 200mA/Div CH3 (BOTTOM): IOUT; Scale: 200mA/Div Time scale: 100ms/Div www.national.com 7 |
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