LM76003RNPR datasheet(10/53 Pages) TI1

Part #	LM76003RNPR

Description	3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator

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Manufacturer	TI1 [Texas Instruments]

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Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

2

2.5

3

3.5

4

4.5

5

D005

HS Limit

LS Limit

Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

D006

FREQ = 300 kHz

FREQ = 1 MHz

FREQ = 2.2 MHz

Input Voltage (V)

0

6

12

18

24

30

36

42

48

54

60

1

1.001

1.002

1.003

1.004

1.005

1.006

1.007

1.008

D003

Temp = 40qC

Temp = 25qC

Temp = 125qC

Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

3

3.5

4

4.5

5

5.5

6

D004

HS Limit

LS Limit

Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

D002

VIN = 24 V

VIN = 3.5 V

VIN = 60 V

Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

20

30

40

50

60

70

80

90

100

110

120

130

140

D001

HS Switch

LS Switch

10

LM76002, LM76003

SNVSAK0 – OCTOBER 2017

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Product Folder Links: LM76002 LM76003

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6.9 Typical Characteristics

Unless otherwise specified, VIN = 24 V, VOUT = 3.3 V, fSW = 500 kHz. Curves represent most likely parametric norm at

specified condition.

Figure 1. High-Side and Low-Side Switch RDS-ON

Figure 2. Shutdown Quiescent Current

Figure 3. Feedback Voltage

Figure 4. LM76003 High-Side and Low-Side Current Limits

Figure 5. LM76002 High-Side and Low-Side Current Limits

Figure 6. Switching Frequency Set by RT Resistor

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