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LP3910 датащи(PDF) 67 Page - Texas Instruments

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номер детали LP3910
подробное описание детали  Power Management IC for Hard-Drive-Based Portable Media Players
PDF  72 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LP3910 датащи(HTML) 67 Page - Texas Instruments

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OUTPUT CURRENT (mA)
0.1
1.0
10
100
1000
Vin = 3.6 V
Vin = 4 V
Vin = 5 V
100
90
70
60
40
30
0
80
20
50
10
OUTPUT CURRENT (mA)
0.1
1.0
10
100
1000
Vin = 3.6 V
Vin = 4 V
Vin = 5 V
95
90
80
75
65
60
50
85
55
70
OUTPUT CURRENT (mA)
0.1
1.0
10
100
1000
Vin = 3.6 V
Vin = 4 V
Vin = 5 V
90
80
60
50
30
20
0
70
10
40
LP3910
www.ti.com
SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015
9.2.3 Application Curves
VIN = 0 to 3.6 V
VOUT = 3.3 V
Load = 1 mA
Ch1 = Charge Current (mA)
Ch4 = USBPWR (V)
Ch3 = CHG_DET (V)
Figure 78. Enable Startup Time (LDO1)
Figure 77. Wall Adapter Removal With USBPWR Present
VIN = 0 to 3.6 V
VOUT = 1.8 V
Load = 1 mA
VOUT = 1.8 V
L = 2.2 µH
Forced PWM Mode
Figure 79. Enable Start-Up Time (LDO2)
Figure 80. Buck2 Efficiency vs Output Current
VOUT = 1.8 V
L = 2.2 µH
PFM-to-PWM Mode
VOUT = 3.3 V
L = 2.2 µH
Forced PWM Mode
Figure 82. Buck2 Efficiency vs Output Current
Figure 81. Buck2 Efficiency vs Output Current
Copyright © 2006–2015, Texas Instruments Incorporated
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Product Folder Links: LP3910



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