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LM3281YFQR Scheda tecnica(PDF) 9 Page - Texas Instruments

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Il numero della parte LM3281YFQR
Spiegazioni elettronici  3.3-V, 1.2-A, 6-MHz Miniature Step-Down DC-DC Converter
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

LM3281YFQR Scheda tecnica(HTML) 9 Page - Texas Instruments

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Load Current (A)
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2 1.3 1.4
3.1
3.15
3.2
3.25
3.3
3.35
3.4
3.45
3.5
+3% Limit
-3% Limit
D010
VIN = 3.4 V
VIN = 3.8 V
VIN = 4.8 V
VIN = 5.5 V
Vin (V)
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
3.1
3.15
3.2
3.25
3.3
3.35
3.4
3.45
3.5
+3% Limit
-3% Limit
D008
Falling VIN
Rising VIN
Vin (V)
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
4.8
5
5.2
5.4
3.1
3.15
3.2
3.25
3.3
3.35
3.4
3.45
3.5
+3% Limit
-3% Limit
D009
IOUT = 30 mA
IOUT = 150 mA
IOUT = 600 mA
IOUT = 1200 mA
LM3281
www.ti.com
SNVSA38 – NOVEMBER 2014
Typical Characteristics (continued)
All curves are at TA = 25°C and VIN = 3.8 V, unless otherwise specified. CIN, COUT = 2.2 µF, CLOAD2 = 4.7 µF, CLOAD1 = 10 µF,
LSW = 0.47 µH.
IOUT = 30 mA
Figure 14. Analog Bypass Transition at Light Load vs VIN
Figure 15. Line Regulation vs Output Current
Figure 16. Load Regulation vs Output Current
Copyright © 2014, Texas Instruments Incorporated
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