30

33

36

39

42

45

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE (V)

Fsw = 250kHz

Fsw = 400kHz

Fsw = 600kHz

200

300

400

500

600

700

800

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

SWITCHING FREQUENCY (kHz)

VIN = 30V

VIN = 36V

VIN = 42V

5

10

15

20

25

30

35

40

45

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE (V)

Fsw = 250kHz

Fsw = 400kHz

Fsw = 600kHz

200

300

400

500

600

700

800

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

SWITCHING FREQUENCY (kHz)

VIN = 15V

VIN = 24V

VIN = 36V

VIN = 42V

5

10

15

20

25

30

35

40

45

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE (V)

Fsw = 250kHz

Fsw = 400kHz

Fsw = 600kHz

200

300

400

500

600

700

800

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

SWITCHING FREQUENCY (kHz)

VIN = 12V

VIN = 24V

VIN = 36V

VIN = 42V

LMZ14202H

SNVS691H – JANUARY 2011 – REVISED OCTOBER 2015

www.ti.com

Typical Characteristics (continued)

Unless otherwise specified, the following conditions apply: VIN = 24 V; CIN = 10-uF X7R Ceramic; CO = 47 uF; TA = 25°C.

Figure 37. Current Limit vs. Input Voltage

Figure 38. Switching Frequency vs. Power Dissipation

VOUT = 5 V TA = 25°C

VOUT = 5 V TA = 25°C

Figure 39. Current Limit vs. Input Voltage

Figure 40. Switching Frequency vs. Power Dissipation

VOUT = 12 V TA = 25°C

VOUT = 12 V TA = 25°C

Figure 41. Current Limit vs. Input Voltage

Figure 42. Switching Frequency vs. Power Dissipation

VOUT = 24 V TA = 25°C

VOUT = 24 V TA = 25°C

12

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