LM46002PWPR datasheet(36/54 Pages) TI2

номер детали	LM46002PWPR

подробное описание детали	LM46002 3.5-V to 60-V, 2-A Synchronous Step-Down Voltage Converter

PDF	54 Pages

Scroll/Zoom	100%

производитель	TI2 [Texas Instruments]

домашняя страница	https://www.ti.com

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36 / 54 page

Time (200 µs/DIV)

VOUT (2 V/DIV)

ILOAD (1 A/DIV)

IINDUCTOR (1 A/DIV)

0.00

0.50

1.00

1.50

2.00

2.50

100

110

120

130

Ta (

ƒC)

R,JA=10

ƒC/W

R,JA=20

ƒC/W

C001

23.90

24.00

24.10

24.20

24.30

24.40

24.50

24.60

0.001

0.01

0.1

Current (A)

VIN = 36V

VIN = 42V

VIN = 48V

VIN = 60V

C001

22.4

22.6

22.8

23.0

23.2

23.4

23.6

23.8

24.0

24.2

24.4

24.0

24.5

25.0

25.5

26.0

VIN (V)

IOUT = 0.1A

IOUT = 0.5A

IOUT = 1A

IOUT = 1.5A

IOUT = 2A

C006

100

0.001

0.01

0.1

Load Current (A)

VIN = 36V

VIN = 42V

VIN = 48V

VIN = 60V

C006

CBOOT

VCC

BIAS

LM46002

VOUT

RFBT

RFBB

CBIAS

2.2 µF

1 µF

0.47 µF

L = 47 µH

47 µF

1 M

43.2

COUT

CBOOT

CVCC

VOUT = 24 V FS = 500 kHz

LM46002

SNVSA13C – APRIL 2014 – REVISED APRIL 2019

www.ti.com

Product Folder Links: LM46002

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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 = 24 V

FS = 500 kHz

VIN = 48 V

Figure 77. BOM for VOUT = 24 V FS = 500 kHz

VOUT = 24 V

FS = 500 kHz

Figure 78. Efficiency

VOUT = 24 V

FS = 500 kHz

Figure 79. Output Voltage Regulation

VOUT = 24 V

FS = 500 kHz

Figure 80. Dropout Curve

VOUT = 24 V

FS = 500 kHz

VIN = 48 V

Figure 81. Load Transient Between 0.1 A and 2 A

VOUT = 24 V

FS = 500 kHz

VIN = 48 V

Figure 82. Derating Curve

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