MCP16501

DS20006388E-page 10

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2.0

TYPICAL PERFORMANCE CURVES

Note: Unless otherwise specified: VIN = VIN= PVINx = 5V; L1 = L2 = L3 = 2.2 µH; COUT1 = COUT2 = COUT3= 22 µF, TA

= +25°C

FIGURE 2-1:

VIN Operating Current vs.

Input Voltage and Temperature – Hibernate

Mode (LPM = High, PWRHLD = Low).

FIGURE 2-2:

VIN Quiescent Current vs.

Input Voltage and Temperature – Low-Power

Mode (LPM = PWRHLD = High).

FIGURE 2-3:

VIN Quiescent Current vs.

Input Voltage and Temperature – Active Mode

(LPM = Low, PWRHLD = High).

FIGURE 2-4:

Buck1 Efficiency vs. Load

Current Measured on PVIN1 (VOUT1 =3.3V).

FIGURE 2-5:

Buck2 Efficiency vs. Load

Current Measured on PVIN2 (VOUT2 =1.2V).

FIGURE 2-6:

Buck3 Efficiency vs. Load

Current Measured on PVIN3 (VOUT3 = 1.25V).

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.

200

250

300

350

400

450

500

550

600

650

700

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

T

A = -40°C

T

A = 25°C

T

A = 1 5°C

T

A = 1 5°C

MCP16501A

MCP16501E

6

7

8

9

10

11

12

13

14

15

16

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

Input Voltage (V)

T

A = -40°C

T

A = 25°C

T

A =1 5°C

T

A = 1 5°C

0

10

20

30

40

50

60

70

80

90

100

0.1

1.0

10.0

100.0

1000.0

I

OUT (mA)

V

IN = 5V

FPWM

AUTOPFM

0

10

20

30

40

50

60

70

80

90

100

0.1

1.0

10.0

100.0

1000.0

I

OUT (mA)

V

IN = 5V

FPWM

AUTOPFM

0

10

20

30

40

50

60

70

80

90

100

0.1

1.0

10.0

100.0

1000.0

I

OUT (mA)

V

IN = 5V

FPWM

AUTOPFM