ADP1883ARMZ-0.6-R7 datasheet(14/40 Pages) AD

номер детали	ADP1883ARMZ-0.6-R7

подробное описание детали	Synchronous Current-Mode with Constant On-Time,PWM Buck Controller

PDF	40 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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14 / 40 page

ADP1882/ADP1883

Rev. 0 | Page 14 of 40

CH1 5A

Ω

M400ns

A CH3

2.20V

CH3 10V

CH4 100mV

W T 30.6%

OUTPUT VOLTAGE

INDUCTOR CURRENT

SW NODE

Figure 46. CCM Operation at Heavy Load, 18 A

(See Figure 92 for Applications Circuit)

CH1 10A

Ω

CH2 200mV

CH3 20V

CH4 5V

M2ms

A CH1

3.40A

T 75.6%

OUTPUT VOLTAGE

12A STEP

SW NODE

LOW SIDE

Figure 47. Load Transient Step—PSM Enabled, 20 A

(See Figure 92 for Applications Circuit)

CH1 10A

Ω

CH2 200mV

CH3 20V

CH4 5V

M20µs

A CH1

3.40A

T 30.6%

OUTPUT VOLTAGE

12A POSITIVE STEP

SW NODE

LOW SIDE

Figure 48. Positive Step During Heavy Load Transient Behavior—PSM Enabled,

20 A, VOUT = 1.8 V (See Figure 92 for Applications Circuit)

CH1 10A

Ω

CH2 200mV

CH3 20V

CH4 5V

M20µs

A CH1

3.40A

T 48.2%

OUTPUT VOLTAGE

12A NEGATIVE STEP

SW NODE

LOW SIDE

Figure 49. Negative Step During Heavy Load Transient Behavior—PSM Enabled,

20 A (See Figure 92 for Applications Circuit)

CH1 10A

Ω

CH2 5V

CH3 20V

CH4 200mV

M2ms

A CH1

6.20A

T 15.6%

OUTPUT VOLTAGE

12A STEP

LOW SIDE

SW NODE

Figure 50. Load Transient Step—Forced PWM at Light Load, 20 A

(See Figure 92 for Applications Circuit)

CH1 10A

Ω

CH2 5V

CH3 20V

CH4 200mV

M20µs

A CH1

6.20A

T 43.8%

OUTPUT VOLTAGE

12A POSITIVE STEP

LOW SIDE

SW NODE

Figure 51. Positive Step During Heavy Load Transient Behavior—Forced PWM

at Light Load, 20 A, VOUT = 1.8 V (See Figure 92 for Applications Circuit)

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