LM46002PWPRG4 datasheet(32/54 Pages) TI2

32 / 54 page

Time (100 µs/DIV)

VOUT (200 mV/DIV)

VDROP-ON-0.75 -LOAD (2 V/DIV)

IINDUCTOR (2 A/DIV)

0.0

0.5

1.0

1.5

2.0

2.5

100

110

120

Ta (

ƒC)

R,JA=10

ƒC/W

R,JA=20

ƒC/W

R,JA=30

ƒC/W

C013

4.95

4.97

4.99

5.01

5.03

5.05

0.001

0.01

0.1

Current (A)

VIN = 12V

VIN = 18V

VIN = 24V

VIN = 28V

VIN = 36V

VIN = 42V

VIN = 48V

C001

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.0

5.2

5.4

5.6

5.8

6.0

6.2

6.4

VIN (V)

IOUT = 0.1A

IOUT = 0.5A

IOUT = 1A

IOUT = 1.5A

IOUT = 2A

C003

100

0.001

0.01

0.1

Load Current (A)

VIN = 12V

VIN = 18V

VIN = 24V

VIN = 28V

VIN = 36V

C003

CBOOT

VCC

BIAS

LM46002

VOUT

RFBT

RFBB

CBIAS

2.2 µF

1 µF

0.47 µF

L=15 µH

100 µF

47 pF

1 M

249

CFF

COUT

CBOOT

CVCC

VOUT = 5 V FS = 500 kHz

LM46002

SNVSA13C – APRIL 2014 – REVISED APRIL 2019

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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 = 5 V

FS = 500 kHz

VIN = 24 V

Figure 53. BOM for VOUT = 5 V FS = 500 kHz

VOUT = 5 V

FS = 500 kHz

Figure 54. Efficiency

VOUT = 5 V

FS = 500 kHz

Figure 55. Output Voltage Regulation

VOUT = 5 V

FS = 500 kHz

Figure 56. Dropout Curve

VOUT = 5 V

FS = 500 kHz

VIN = 24 V

Figure 57. Load Transient Between 0.1 A and 2 A

VOUT = 5 V

FS = 500 kHz

VIN = 24 V

Figure 58. Derating Curve

LM46002PWPRG4 Datasheet(PDF) 32 Page - Texas Instruments

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