ADP2390-EVALZ datasheet(8/23 Pages) AD

Part #	ADP2390-EVALZ

Description	18 V, 12 A Step-Down Regulator with Programmable Current Limit

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ADP2389/ADP2390

Data Sheet

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25°C, VPVIN = VVIN = 12 V, VOUT = 1.8 V, L = 1 µH, COUT = 5 × 100 µF, fSW = 500 kHz, unless otherwise noted.

Figure 5. ADP2389 Efficiency at VPVIN = 12 V, fSW = 600 kHz

Figure 6. ADP2390 Efficiency at VPVIN = 12 V, fSW = 600 kHz

Figure 7. Shutdown Current (ISHDN) vs. Input Voltage

Figure 8. ADP2389 Efficiency at VPVIN = 12 V, fSW = 300 kHz

Figure 9. ADP2390 Efficiency at VPVIN = 12 V, fSW = 300 kHz

Figure 10. Quiescent Current (IQ) vs. Input Voltage

100

60

65

70

75

80

85

90

95

0

1

2

3

4

5

6

7

8

9

10

11

12

OUTPUT CURRENT (A)

VOUT = 1.0V

VOUT = 1.2V

VOUT = 1.5V

VOUT = 1.8V

VOUT = 2.5V

VOUT = 3.3V

VOUT = 5.0V

INDUCTOR:

744 333 0100

100

60

65

70

75

80

85

90

95

0.1

1

10

OUTPUT CURRENT (A)

VOUT = 1.2V

VOUT = 1.5V

VOUT = 1.8V

VOUT = 2.5V

VOUT = 3.3V

VOUT = 5.0V

INDUCTOR:

744 333 0100

16

0

2

4

6

8

10

12

14

4

6

8

10

12

14

16

18

INPUT VOLTAGE (V)

TJ = –40°C

TJ = +25°C

TJ = +125°C

100

60

65

70

75

80

85

90

95

0

1

2

3

4

5

6

7

8

9

10

11

12

OUTPUT CURRENT (A)

VOUT = 1.2V

VOUT = 1.0V

VOUT = 1.5V

VOUT = 1.8V

VOUT = 2.5V

VOUT = 3.3V

VOUT = 5.0V

INDUCTOR:

744 333 0220

100

60

65

70

75

80

85

90

95

0.1

1

10

OUTPUT CURRENT (A)

VOUT = 1.2V

VOUT = 1.0V

VOUT = 1.5V

VOUT = 1.8V

VOUT = 2.5V

VOUT = 3.3V

VOUT = 5.0V

INDUCTOR:

744 333 0220

1.25

1.00

1.05

1.10

1.15

1.20

4

6

8

10

12

14

16

18

INPUT VOLTAGE (V)

TJ = –40°C

TJ = +25°C

TJ = +125°C

Rev. 0 | Page 8 of 23

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