ADP5003ACPZ-R7 datasheet(13/31 Pages) AD

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Data Sheet

ADP5003

Rev. A | Page 13 of 31

CH1 5.00A

CH2 500mV

M20.0ms

A CH2

510mV

40.0080ms

CH3 10.0V BW

VSW1

VPVOUT1

Figure 27. Entering Hiccup Mode

(VSW1 is the Voltage of the SW1 Pin, and IL is Inductor Current)

CH1 1A

CH2 2V

M400µs

A CH2

1.56V

CH3 1V

CH4 10V

VSW1

ILOAD1

VPVOUT1

VEN1

Figure 28. Buck Startup, VPVOUT1 = 3.3V, ILOAD1 = 3 A

(VEN1 is the EN1 voltage.)

CH2 500mV

CH4 20.0mV

M80µs

A CH2

12.4V

T 25.50%

Ω

VPVIN1

VPVOUT1

10V OFFSET

0.11V/µs

0.42V/µs

Figure 29. Buck Line Transient, VPVIN1 = 12 V to 13 V, VPVOUT1 = 1.2 V, ILOAD1 = 1A,

fSW = 0.6 MHz, L = 2.2 μH, RC = 3.48 kΩ, CC = 2 nF, CCP = 22 pF, CPVOUT1 = 44 μF

CH1 5.00A

CH2 500mV

M20.0ms

A CH2

510mV

40.0080ms

CH3 10.0V BW

VSW1

VPVOUT1

Figure 30. Exiting Hiccup Mode

VEN1/VEN2

VVOUT1

VPVOUT2

ILOAD2

CH1 1.00A

CH2 1.00V

M1.00ms

A CH3

2.04V

3.00400ms

CH3 2.00V

CH4 1.00V

Figure 31. Adaptive Mode Startup, VPVOUT2 = 3.3 V, ILOAD2 = 1 A

(VEN2 is the EN2 voltage.)

CH2 500mV

CH4 1A

M200µs

A CH4

1.46A

493.480µs

VPVOUT1

ILOAD1

2.3A/µs

3.1A/µs

Figure 32. Buck Load Transient, VPVIN1 = 12 V, VPVOUT1 = 1.2 V,ILOAD1 =0.5A to 3A,

fSW = 0.6 MHz, L = 2.2 μH, RC = 3.48 kΩ, CC = 2 nF, CCP = 22 pF, CPVOUT1 = 44 μF

ADP5003ACPZ-R7 Datasheet(PDF) 13 Page - Analog Devices

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