ADP1882ARMZ-1.0-R7 datasheet(12/40 Pages) AD

номер детали	ADP1882ARMZ-1.0-R7

подробное описание детали	Synchronous Current-Mode with Constant On-Time,PWM Buck Controller

PDF	40 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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12 / 40 page

ADP1882/ADP1883

Rev. 0 | Page 12 of 40

900

950

1000

1050

1100

1150

1200

1250

1300

1350

0.8k

1.6k

2.4k

3.2k

4.0k

4.8k

5.6k

6.4k

7.2k

8.0k

LOAD CURRENT (mA)

3.6

4.8

6.0

7.2

8.4

9.6

10.8 12.0 13.2 14.4 15.6

VIN (V)

VIN = 16.5V

+125°C

+25°C

–40°C

+125°C

+25°C

–40°C

VIN = 13V

Figure 34. Frequency vs. Load Current, 1.0 MHz, VOUT = 4 V

2.649

2.650

–40

120

100

–20

2.658

2.657

2.656

2.655

2.654

2.653

2.652

2.651

TEMPERATURE (°C)

Figure 35. UVLO vs. Temperature

300

400

500

600

700

800

900

1000

FREQUENCY (kHz)

100

VDD =2.7V

VDD =5.5V

VDD =3.6V

+125°C

+25°C

–40°C

Figure 36. Maximum Duty Cycle vs. Frequency

VDD = 5.5V

VDD = 3.6V

+125°C

+25°C

–40°C

180

680

630

580

530

480

430

380

330

280

230

–40

120

100

–20

TEMPERATURE (°C)

Figure 37. Maximum Duty Cycle vs. High Voltage Input (VIN)

VREG = 2.7V

VREG = 5.5V

VREG = 3.6V

Figure 38. Minimum Off Time vs. Temperature

180

680

630

580

530

480

430

380

330

280

230

2.7

5.5

5.1

4.7

4.3

3.9

3.5

3.1

VREG (V)

+125°C

+25°C

–40°C

Figure 39. Minimum Off Time vs. VDD (Low Input Voltage)

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