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LM2771SD Fiches technique(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM2771SD
Description  Low-Ripple 250mA Switched Capacitor Step-Down DC/DC Converter
PDF  10 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2771SD Fiches technique(HTML) 5 Page - National Semiconductor (TI)

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Typical Performance Characteristics Unless otherwise specified: V
IN = 3.6V, CIN =C1 = 1.0µF,
C
OUT = 4.7µF, TA =25
oC. Capacitors are low-ESR multi-layer ceramic capacitors (MLCC’s).
Output Voltage vs. Input Voltage
Output Voltage vs. Output Current
20183812
20183814
Efficiency vs. Input Voltage
Efficiency vs. Output Current
20183813
20183826
Input Voltage Ripple, Load=6
Ω(250mA)
Output Voltage Ripple, Load=6
Ω(250mA)
20183815
CH1: VIN,CIN = 1µF; Scale: 50mV/Div, AC Coupled
CH2: VIN,CIN = 10µF; Scale: 50mV/Div, AC Coupled
Time scale: 200ns/Div
20183821
CH2: VOUT,COUT = 4.7µF; Scale: 20mV/Div, AC Coupled
Time scale: 200ns/Div
www.national.com
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