ADP2370CPZ-REDYKIT(RevA) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADP2370CPZ-REDYKIT
(Rev.:RevA)

High Voltage, 1.2 MHz/600 kHz, 800 mA, Low Quiescent Current Buck Regulator

Analog Devices 

ADP2370/ADP2371

90

85

80

600kHz

75

1.2MHz

70

65

60

55

50

45

40

0.01

0.1

1

10

LOAD (mA)

100

1000

Figure 27. Efficiency vs. Load Current, Different Switching Frequency,

VOUT = 1.8 V, VIN = 9 V

VIN

1

INDUCTOR CURRENT

VOUT

2

3

CH1 500mA Ω BW CH2 20.0mV

CH3 1.00V BW

BW M10.0µs A CH3

T 11.00%

4.56V

Figure 28. Line Transient, VOUT = 1.8 V, PSM Mode, 100 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

VIN

1

INDUCTOR CURRENT

VOUT

CH1 200mA Ω BW CH2 20.0mV

CH3 1.00V BW

BW M10.0µs A CH3

T 11.20%

4.64V

Figure 29. Line Transient, VOUT = 1.8 V, PWM Mode, 800 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

Data Sheet

VIN

INDUCTOR CURRENT

1

VOUT

23

CH1 500mA Ω BW CH2 20.0mV

CH3 1.00V BW

BW M10.0µs A CH3

T 11.0%

4.56V

Figure 30. Line Transient, VOUT = 1.2 V, PSM Mode, 100 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

VIN

INDUCTOR CURRENT

1

VOUT

2

3

CH1 500mA Ω BW CH2 10.0mV

CH3 1.00V BW

BW M10.0µs A CH3

T 10.80%

5.44V

Figure 31. Line Transient, VOUT = 1.2 V, PWM Mode, 800 mA, VIN1 = 4 V to 5 V,

2 μs Rise Time, CIN = 3.3 μF

VIN

INDUCTOR CURRENT

1

VOUT

2

3

CH1 200mA Ω BW CH2 20.0mV

CH3 1.00V BW

BW M10.0µs A CH3

T 11.40%

6.78V

Figure 32. Line Transient, VOUT = 3.3 V, PSM Mode, 100 mA, VIN1 = 6 V to 7 V,

2 μs Rise Time, CIN = 3.3 μF

Rev. A | Page 12 of 32

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