LMZ14201EXT_15 datasheet(10/32 Pages) TI

Part #	LMZ14201EXT

Description	1A SIMPLE SWITCHER Power Module With 42-V Maximum Input Voltage for Demanding Environments and Rugged Applications

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Manufacturer	TI [Texas Instruments]

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1.8

1.9

2.0

2.1

2.2

2.3

2.4

0

5

10

15

20

25

INPUT VOLTAGE (V)

25°C

SHORT CIRCUIT

ONSET

1.8

1.9

2.0

2.1

2.2

2.3

2.4

0

10

20

30

40

50

INPUT VOLTAGE (V)

25°C

SHORT CIRCUIT

ONSET

0

0.2

0.4

0.6

0.8

1

1.2

50

60

70

80

90

100

110

120

AMBIENT TEMPERATURE (°C)

36VIN

6VIN

24VIN

12VIN

VOUT = 3.3V

ÆJA = 19°C/W

3.24

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

0

0.2

0.4

0.6

0.8

1

OUTPUT CURRENT (A)

6

42

24

12

24

42

6

-55°C

LMZ14201EXT

SNVS664H – JUNE 2010 – REVISED OCTOBER 2015

www.ti.com

Typical Characteristics (continued)

Unless otherwise specified, the following conditions apply: VIN = 24 V; CIN = 10-µF X7R Ceramic; CO = 100-µF X7R Ceramic;

TA = 25°C for efficiency curves and waveforms.

Figure 26. Output Ripple

Figure 25. Line and Load Regulation at –55°C

24-VIN 3.3-VO 1-A, BW = 200 MHz

Figure 27. Transient Response

Figure 28. Thermal Derating VOUT = 3.3 V

24-VIN 3.3-VO 0.5-A to 1-A Step

Figure 29. Current Limit 1.8 VOUT at 25°C

Figure 30. Current Limit 3.3 VOUT at 25°C

10

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