CBC322ST1R0MR datasheet(8/40 Pages) AD

部件名	CBC322ST1R0MR

功能描述	Micro PMU with 1.2 A Buck Regulator

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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8 / 40 page

ADP5040

Data Sheet

Rev. 0 | Page 8 of 40

TYPICAL PERFORMANCE CHARACTERISTICS

VIN1 = VIN2 = VIN3 = AVIN = 5.0 V, TA = 25°C, unless otherwise noted.

CH4

2.0V/DIV 1MΩ BW 500M

CH2

2.0V/DIV 1MΩ BW 20.0M

CH3

2.0V/DIV 1MΩ BW 500M

A CH2

1.88V

200µs/DIV

1.0MS/s

1.0µs/pt

4

2

3

VOUT1

VOUT2

VOUT3

Figure 3. 3-Channel Start-Up Waveforms

CH1

CH2

CH3

CH4

A CH1

1.08V

200µs/DIV

5.0MS/s

200ns/pt

1

2

3

4

VOUT3

VOUT2

VOUT1

IIN

2.0V/DIV

1MΩ BW 20.0M

2.0V/DIV

1MΩ BW 20.0M

300mA/DIV

1MΩ BW 20.0M

2.0V/DIV

1MΩ BW 20.0M

Figure 4. Total Inrush Current, All Channels Started Simultaneously

1.0

0

2.4

2.9

3.4

3.9

4.4

4.9

5.4

VIN (V)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Figure 5. System Quiescent Current (Sum of All the Input Currents) vs.

Input Voltage

VOUT1 = 1.8 V, VOUT2 = VOUT3 = 3.3 V, (UVLO = 3.3 V)

CH1

CH2

CH3

CH4

A CH1

2.32V

50µs/DIV

2.0MS/s

500ns/pt

1

2

3

4

SW

VOUT1

EN

IIN

4.0V/DIV

1MΩ BW 20.0M

3.0V/DIV

1MΩ BW 500M

200mA/DIV

1MΩ BW 20.0M

5.0V/DIV

1MΩ BW 500M

Figure 6. Buck Startup, VOUT1 = 3.3 V, IOUT2 = 20 mA

CH1

CH2

CH3

CH4

A CH1

1.12V

50µs/DIV

2.0MS/s

500ns/pt

1

2

3

4

SW

VOUT1

EN

IIN

8.0V/DIV

1MΩ BW 20.0M

2.0V/DIV

1MΩ BW 500.0M

200mA/DIV

1MΩ BW 20.0M

5.0V/DIV

1MΩ BW 500.0M

Figure 7. Buck Startup, VOUT1 = 1.8 V, IOUT = 20 mA

CH1

CH2

CH3

CH4

A CH1

640mV

50µs/DIV

2.0MS/s

500ns/pt

SW

VOUT1

EN

IIN

8.0V/DIV

1MΩ BW 20.0M

2.0V/DIV

1MΩ BW 500.0M

200mA/DIV

1MΩ BW 20.0M

5.0V/DIV

1MΩ BW 500.0M

1

2

3

4

Figure 8. Buck Startup, VOUT1 = 1.2 V, IOUT = 20 mA

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