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LM2612 データシート(PDF) 10 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM2612
部品情報  400mA Sub-miniature, Programmable, Step-Down DC-DC Converter for Ultra Low-Voltage Circuits
PDF  19 Pages
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2612 データシート(HTML) 10 Page - National Semiconductor (TI)

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Typical Operating Characteristics LM2612ABP, Circuit of Figure 1,V
IN = 3.6V, TA = 25˚C, L1 =10
µH, unless otherwise noted. (Continued)
Efficiency vs Output Current
(V
OUT = 1.8V, PFM Mode, No Diode)
Switching Frquency vs Temperature
(PWM Mode)
20007136
20007139
Load Transient Response (PWM Mode)
Load Transient Response (PFM Mode)
20007141
A: INDUCTOR CURRENT, 500mA/div
B: SW PIN, 5V/div
C: VOUT, 50mV/div, AC COUPLED
D: LOAD, 20mA to 200mA, 200mA/div
20007146
A: INDUCTOR CURRENT, 500mA/div
B: SW PIN, 5V/div
C: VOUT, 50mV/div, AC COUPLED
D: LOAD, 10mA to 100mA, 100mA/div
Shutdown Response (PWM Mode)
Shutdown Response (PFM Mode)
20007140
A: INDUCTOR CURRENT, 500mA/div
B: SW PIN, 2V/div
C: VOUT, 1V/div
D: EN, 5V/div
20007145
A: INDUCTOR CURRENT, 500mA/div
B: SW PIN, 2V/div
C: VOUT, 1V/div
D: EN, 5V/div
www.national.com
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