ADP2303ARDZ-5.0 datasheet(10/28 Pages) AD

Part #	ADP2303ARDZ-5.0

Description	2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators

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Manufacturer	AD [Analog Devices]

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10 / 28 page

ADP2302/ADP2303

Data Sheet

Rev. A | Page 10 of 28

CH1 2.00V BW

CH2 10.0V

M1.00ms

A CH3

6.20V

1

4

2

3

T 20.20%

VOUT

IL

EN

SW

CH3 10.0V BW

CH4 2.00A Ω

Figure 28. Soft Start Without Load, VOUT = 3.3 V, VIN = 12 V

CH1 500mV

B

W

M200µs

A CH4

1.20A

1

4

T 20.00%

VOUT (AC)

IO

CH4 2.00A Ω

Figure 29. ADP2303 Load Transient, 0.5 A to 3.0 A, VOUT = 5.0 V, VIN = 12 V,

L = 4.7 μH, COUT = 47 μF

CH1 200mV

B

W

M200µs

A CH4

1.20A

1

4

T 20.00%

VOUT (AC)

IO

CH4 1.00A Ω

Figure 30. ADP2302 Load Transient, 0.5 A to 2.0 A, VOUT = 5.0 V, VIN = 12 V,

L = 6.8 μH, COUT = 2 × 22 μF

CH1 2.00V BW

CH2 10.0V

M1.00ms

A CH3

3.60V

1

4

2

3

T 20.20%

VOUT

EN

SW

CH3 10.0V BW

CH4 2.00A Ω

IL

Figure 31. Soft Start with Full Load, VOUT = 3.3 V, VIN = 12 V

CH1 200mV

B

W

M200µs

A CH4

1.88A

1

4

T 20.00%

VOUT (AC)

IO

CH4 2.00A Ω

Figure 32. ADP2303 Load Transient, 0.5 A to 3.0 A, VOUT = 3.3 V, VIN = 12 V,

L = 4.7 μH, COUT = 2 × 47 μF

CH1 200mV

B

W

M200µs

A CH4

1.20A

1

4

T 20.00%

VOUT (AC)

IO

CH4 1.00A Ω

Figure 33. ADP2302 Load Transient, 0.5 A to 2.0 A, VOUT = 3.3 V, VIN = 12 V,

L = 6.8 μH, COUT = 2 × 22 μF

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Manufacturer	Part #	Datasheet	Description
Analog Devices	ADP2303ARDZ-5.0-R7	1,009Kb / 28P	2 A/3 A, 20 V, 700 kHz, Nonsynchronous Step-Down Regulators REV. 0

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Manufacturer	Part #	Datasheet	Description
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ADP2303ARDZ-5.0 Datasheet(PDF) 10 Page - Analog Devices

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