MIC23350

DS20006126A-page 8

 2019 Microchip Technology Inc.

2.0

TYPICAL CHARACTERISTIC CURVES

Note: Unless otherwise indicated, PVIN = 5V, L = 0.47 µH (XEL4030-471ME),TA =+25°C.

FIGURE 2-1:

Operating Supply Current

vs. Input Voltage, Switching.

FIGURE 2-2:

High-Side Current Limit vs.

Temperature (Closed-Loop).

FIGURE 2-3:

Operating Supply Current

vs. Temperature, Switching.

FIGURE 2-4:

RDS-ON vs. Temperature.

FIGURE 2-5:

Efficiency vs. Load Current

(VOUT = 0.6V).

FIGURE 2-6:

Efficiency vs. Load Current

(VOUT = 1.0V).

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

53

54

55

56

57

58

59

60

61

2.5

3

3.5

4

4.5

5

V

IN (V)

V

OUT = 1.0V

V

IN = 5.0V

I

OUT = 0 mA

5

5.5

6

6.5

7

7.5

8

-40 -25 -10

5

20 35 50 65 80 95 110 125

Ambient Temperature (°C)

V

OUT = 1.0V

V

OUT = 3.3V

V

IN = 5.0V

45

50

55

60

65

70

75

80

-40 -25 -10

5

20

35

50

65

80

95 110 125

Ambient Temperature (°C)

V

OUT = 1.0V

V

OUT = 3.3V

V

IN = 5.0V

0

5

10

15

20

25

30

35

40

-40 -25 -10

5

20

35

50

65

80

95 110 125

Ambient Temperature (°C)

High Side

ON-Resistance

Low Side

ON-Resistance

0

10

20

30

40

50

60

70

80

90

100

0.001

0.01

0.1

1

I

OUT (A)

V

OUT = 0.6V

V

IN = 3.3V

V

IN = 5.0V

V

IN = 2.5V

0

10

20

30

40

50

60

70

80

90

100

0.001

0.01

0.1

1

I

OUT (A)

V

OUT = 1.0V

V

IN = 3.3V

V

IN = 5.0V

V

IN = 2.5V