ADP2105ACPZ-3.3-R7 datasheet(20/32 Pages) AD

20 / 32 page

ADP2105/ADP2106/ADP2107

Rev. 0 | Page 20 of 32

LOAD TRANSIENT RESPONSE

CH2 50mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 22µF + 22µF + 4.7µF

INDUCTOR: SD14, 2.5µH

COMPENSATION RESISTOR: 270kΩ

COMPENSATION CAPACITOR: 39pF

CH2 LOW

–51mV

Figure 45. 1 A Load Transient Response for ADP2105-1.2

with External Components Chosen for 5% Overshoot

CH2 100mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 22µF + 22µF

INDUCTOR: SD3814, 3.3µH

COMPENSATION RESISTOR: 270kΩ

COMPENSATION CAPACITOR: 39pF

CH2 LOW

–112mV

Figure 46. 1 A Load Transient Response for ADP2105-1.8

with External Components Chosen for 5% Overshoot

CH2 100mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 22µF + 4.7µF

INDUCTOR: CDRH5D18, 4.1µH

COMPENSATION RESISTOR: 270kΩ

COMPENSATION CAPACITOR: 39pF

CH2 LOW

–178mV

Figure 47. 1 A Load Transient Response for ADP2105-3.3

with External Components Chosen for 5% Overshoot

CH2 50mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 22µF + 4.7µF

INDUCTOR: SD14, 2.5µH

COMPENSATION RESISTOR: 135kΩ

COMPENSATION CAPACITOR: 82pF

CH2 LOW

–93mV

Figure 48. 1 A Load Transient Response for ADP2105-1.2

with External Components Chosen for 10% Overshoot

CH2 100mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 10µF + 10µF

INDUCTOR: SD3814, 3.3µH

COMPENSATION RESISTOR: 135kΩ

COMPENSATION CAPACITOR: 82pF

CH2 LOW

–164mV

Figure 49. 1 A Load Transient Response for ADP2105-1.8

with External Components Chosen for 10% Overshoot

CH2 200mV~

CH3 1A

CH1 2V

M 10µs

A CH3

0.5A

LX NODE (SWITCH NODE)

OUTPUT VOLTAGE (AC-COUPLED)

OUTPUT CURRENT

OUTPUT CAPACITOR: 10µF + 4.7µF

INDUCTOR: CDRH5D18, 4.1µH

COMPENSATION RESISTOR: 135kΩ

COMPENSATION CAPACITOR: 82pF

CH2 LOW

–308mV

Figure 50. 1 A Load Transient Response for ADP2105-3.3

with External Components Chosen for 10% Overshoot

ADP2105ACPZ-3.3-R7 Datasheet(PDF) 20 Page - Analog Devices

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