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LM46002PWPR датащи(PDF) 39 Page - Texas Instruments

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номер детали LM46002PWPR
подробное описание детали  SIMPLE SWITCHER 3.5 V to 60 V 2 A Synchronous Step-Down Voltage Converter
PDF  52 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

LM46002PWPR датащи(HTML) 39 Page - Texas Instruments

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Time (1 ms/DIV)
VOUT (2 V/DIV)
IINDUCTOR (1 A/DIV)
PGOOD (5 V/DIV)
Time (1 ms/DIV)
VOUT (2 V/DIV)
IINDUCTOR (500 mA/DIV)
PGOOD (5 V/DIV)
Time (50 µs/DIV)
IINDUCTOR
(0.5 A/DIV)
VOUT Ripple
(5 mV/DIV)
SW Node
(10 V/DIV)
Time (1 ms/DIV)
VOUT (2 V/DIV)
IINDUCTOR (1 A/DIV)
PGOOD (5 V/DIV)
Time (2 µs/DIV)
IINDUCTOR
(2 A/DIV)
VOUT Ripple
(5 mV/DIV)
SW Node
(10 V/DIV)
Time (2 µs/DIV)
IINDUCTOR
(2 A/DIV)
VOUT Ripple
(5 mV/DIV)
SW Node
(10 V/DIV)
LM46002
www.ti.com
SNVSA13B – APRIL 2014 – REVISED SEPTEMBER 2014
Please refer to Table 2 for Bill of materials for each VOUT and FS combination. Unless otherwise stated, application
performance curves were taken at TA = 25 °C.
VOUT = 3.3 V
FS = 500 kHz
IOUT = 2 A
VOUT = 3.3 V
FS = 500 kHz
IOUT = 130 mA
Figure 89. Switching Waveform in CCM Operation
Figure 90. Switching Waveform in DCM Operation
VOUT = 3.3 V
FS = 500 kHz
IOUT = 5 mA
VIN = 24 V
VOUT = 3.3 V
RLOAD = 1.65 Ω
Figure 91. Switching Waveform in PFM Operation
Figure 92. Startup Into Full Load with Internal Soft-Start
Rate
VIN = 24 V
VOUT = 3.3 V
RLOAD = 3.3 Ω
VIN = 24 V
VOUT = 3.3 V
RLOAD = 33 Ω
Figure 93. Startup Into Half Load with Internal Soft-Start
Figure 94. Startup Into 100 mA with Internal Soft-Start Rate
Rate
Copyright © 2014, Texas Instruments Incorporated
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Product Folder Links: LM46002



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