ADP5023(RevA) Просмотр технического описания (PDF) - Analog Devices

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производитель

ADP5023
(Rev.:RevA)

Dual 3 MHz, 800 mA Buck Regulators with One 300 mA LDO

Analog Devices 

Data Sheet

T

VOUT

1

ISW

2

SW

4

CH1 50mV

CH2 500mA Ω

CH4 2.00V

M 400ns A CH2

T 28.40%

220mA

Figure 21. Typical Waveforms, VOUT1 = 3.3 V, IOUT1 = 30 mA, PWM Mode

T

VOUT

1

ISW

2

SW

4

CH1 50mV

CH2 500mA Ω

CH4 2.00V

M 400ns A CH2

T 28.40%

220mA

Figure 22. Typical Waveforms, VOUT2 = 1.8 V, IOUT2 = 30 mA, PWM Mode

T

VIN

VOUT

1

SW

3

CH1 50.0mV

CH3 1.00V

CH4 2.00V

M 1.00ms

T 30.40%

A CH3

4.80V

Figure 23. BUCK1 Response to Line Transient, VIN = 4.5 V to 5.0 V, VOUT1 = 3.3 V,

PWM Mode

T

VIN

VOUT

1

SW

ADP5023

43

CH1 50.0mV

CH3 1.00V

CH4 2.00V

M 1.00ms

T 30.40%

A CH3

4.80V

Figure 24. BUCK2 Response to Line Transient, VIN = 4.5 V to 5.0 V,

VOUT2 = 1.8 V, PWM Mode

T

SW

4

VOUT

1

IOUT

2

CH1 50.0mV

CH2 50.0mA Ω M 20.0µs A CH2 356mA

CH4 5.00V

T 60.000µs

Figure 25. BUCK1 Response to Load Transient, IOUT1 = 1 mA to 50 mA,

VOUT1 = 3.3 V, Auto Mode

T

SW

4

VOUT

1

IOUT

2

CH1 50.0mV

CH2 50.0mA Ω

CH4 5.00V

M 20.0µs A CH2

T 22.20%

379mA

Figure 26. BUCK2 Response to Load Transient, IOUT2 = 1 mA to 50 mA,

VOUT2 = 1.8 V, Auto Mode

Rev. A | Page 11 of 28

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