ADP5076ACBZ-R7 datasheet(12/23 Pages) AD

12 / 23 page

ADP5076

Data Sheet

Rev. A | Page 12 of 23

CH1 500mV

M2.00µs A CH3

82.0mA

7.960000µs

CH2 10.0V

CH3 100mA

VPOS

SW1

IINDUCTOR

Figure 33. Boost Regulator Skip Mode Operation Showing Inductor Current

(IINDUCTOR), Switch Node Voltage, and Output Ripple, VIN = 5 V, VPOS = 15 V,

ILOAD1 = 4 mA, fSW = 2.4 MHz, TA = 25°C

CH1 500mV

M200ns

A CH3

100mA

7.960000µs

CH2 10.0V

CH3 200mA

VPOS

SW1

IINDUCTOR

Figure 34. Boost Regulator Discontinuous Conduction Mode Operation

Showing IINDUCTOR, Switch Node Voltage, and Output Ripple, VIN = 5 V,

VPOS = 15 V, ILOAD1 = 6 mA, fSW = 2.4 MHz, TA = 25°C

CH1 500mV

M200ns

A CH4

310mA

7.960000µs

CH2 10.0V

CH3 500mA

VPOS

SW1

IINDUCTOR

Figure 35. Boost Regulator Continuous Conduction Mode Operation

Showing IINDUCTOR, Switch Node Voltage, and Output Ripple, VIN = 5 V,

VPOS = 15 V, ILOAD1 = 90 mA, fSW = 2.4 MHz, TA = 25°C

12.00000µs

CH1 50.0mV

M4.00µs A CH3

35.0mA

CH2 5.00V

CH3 50.0mA

VNEG

SW2

IINDUCTOR

Figure 36. Inverting Regulator Skip Mode Operation Showing IINDUCTOR, Switch

Node Voltage, and Output Ripple, VIN = +5 V,

VNEG = −5 V, ILOAD2 = 0 mA, fSW = 2.4 MHz, TA = 25°C

CH1 500mV

M200ns

A CH3

42.0mA

24.46000µs

CH2 5.00V

CH3 50mA

VNEG

SW2

IINDUCTOR

Figure 37. Inverting Regulator Discontinuous Conduction Mode Operation

Showing IINDUCTOR, Switch Node Voltage, and Output Ripple, VIN = +5 V,

VNEG = −5 V, ILOAD2 = 6 mA, fSW = 2.4 MHz, TA = 25°C

CH1 50.0mV

M100ns

A CH3

84.0mA

24.46000µs

CH2 5.00V

CH3 50mA

VNEG

SW2

IINDUCTOR

Figure 38. Inverting Regulator Continuous Conduction Mode Operation

Showing IINDUCTOR, Switch Node Voltage, and Output Ripple, VIN = +5 V,

VNEG = −5 V, ILOAD2 = 35 mA, fSW = 2.4 MHz, TA = 25°C

ADP5076ACBZ-R7 Datasheet(PDF) 12 Page - Analog Devices

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