ADP5024ACPZ-R2 データシートの表示（PDF） - Analog Devices

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ADP5024ACPZ-R2

Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO

Analog Devices 

Data Sheet

TYPICAL PERFORMANCE CHARACTERISTICS

VIN1= VIN2 = VIN3= 3.6 V, TA = 25°C, unless otherwise noted.

140

120

100

80

60

40

20

0

2.3

2.8

3.3

3.8

4.3

4.8

5.3

INPUT VOLTAGE (V)

Figure 3. System Quiescent Current vs. Input Voltage, VOUT1 = 3.3 V,

VOUT2 = 1.8 V, VOUT3 = 1.2 V, All Channels Unloaded

T

SW

4

IOUT

2

VOUT

1

EN

3

CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs

CH3 5.00V BW CH4 5.00V BW

T 11.20%

A CH3

2.2V

Figure 4. BUCK1 Startup, VOUT1 = 1.8 V, IOUT1 = 5 mA

T

SW

4

IOUT

2

VOUT

1

EN

3

CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs

CH3 5.00V BW CH4 5.00V BW

T 11.20%

A CH3

2.2V

Figure 5. BUCK2 Startup, VOUT2 = 3.3 V, IOUT2 = 10 mA

ADP5024

3.310

3.305

–40°C

+25°C

+85°C

3.300

3.295

3.290

3.285

3.280

3.275

3.270

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

IOUT (A)

Figure 6. BUCK1 Load Regulation Across Temperature ,VIN = 4.2 V,

VOUT1 = 3.3 V, PWM Mode

1.812

1.810

–40°C

+25°C

+85°C

1.808

1.806

1.804

1.802

1.800

1.798

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2

IOUT (A)

Figure 7. BUCK2 Load Regulation Across Temperature, VIN = 3.6 V,

VOUT2 = 1.8 V, PWM Mode

0.808

0.807

–40°C

+25°C

+85°C

0.806

0.805

0.804

0.803

0.802

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2

IOUT (A)

Figure 8. BUCK1 Load Regulation Across Temperature, VIN = 3.6 V,

VOUT1 = 0.8 V, PWM Mode

Rev. E | Page 9 of 28

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