ADP2118 datasheet(9/24 Pages) AD

Part #	ADP2118

Description	3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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9 / 24 page

ADP2118

Rev. 0 | Page 9 of 24

1000

1050

1100

1150

1200

1250

1300

1350

2.3

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

TJ = –40°C

TJ = +25°C

TJ = +125°C

VIN (V)

Figure 16. Switching Frequency vs. VIN at 1.2 MHz

1.00

1.02

1.04

1.06

1.08

1.10

1.12

1.14

1.16

1.18

1.20

1.22

1.24

1.26

1.28

1.30

–40

–20

100

120

TEMPERATURE (°C)

RISING

FALLING

Figure 17. EN Threshold vs. Temperature

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

–40

–20

100

120

TEMPERATURE (°C)

Figure 18. Peak Current Limit vs. Temperature (VIN = 3.3 V)

500

520

540

560

580

600

620

640

660

2.3

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

TJ = –40°C

TJ = +25°C

TJ = +125°C

VIN (V)

Figure 19. Switching Frequency vs. VIN at 600 kHz

–40

–20

100

120

TEMPERATURE (°C)

2.06

2.08

2.10

2.12

2.14

2.16

2.18

2.20

2.22

RISING

FALLING

Figure 20. UVLO Threshold vs. Temperature (VIN = 3.3 V)

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

2.3

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

VIN (V)

Figure 21. Peak Current Limit vs. VIN (TJ = 25°C)

ADP2118 Datasheet(PDF) 9 Page - Analog Devices

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