ADP1878ACPZ-0.6-R7 datasheet(16/40 Pages) AD

16 / 40 page

ADP1878/ADP1879

Data Sheet

Rev. A | Page 16 of 40

Figure 58. Output Drivers and SW Node Waveforms

Figure 59. High-Side Driver Rising and Low-Side Falling Edge Waveforms (CIN =

4.3 nF (High-/Low-Side MOSFET), QTOTAL = 27 nC (VGS = 4.4 V (Q1), VGS = 5 V (Q3))

Figure 60. High-Side Driver Falling and Low-Side Rising Edge Waveforms (CIN =

4.3 nF (High-/Low-Side MOSFET), QTOTAL = 27 nC (VGS = 4.4 V (Q1), VGS = 5 V (Q3))

Figure 61. Transconductance vs. Temperature

Figure 62. Transconductance vs. VREG

Figure 63. Quiescent Current vs. VREG

CH2 5V

CH3 5V

MATH 2V 40ns

CH4 2V

M40ns

A CH2

4.20V

T 29.0%

HIGH SIDE

HS MINUS

SW NODE

LOW SIDE

TA = 25°C

CH2 5V

CH3 5V

MATH 2V 40ns

CH4 2V

M40ns

A CH2

4.20V

T 29.0%

HIGH SIDE

HS MINUS

SW NODE

LOW SIDE

16ns (

tf,DRVL)

25ns (

tr,DRVH)

22ns (

tpdhDRVH)

TA = 25°C

CH2 5V

CH3 5V

MATH 2V 20ns

CH4 2V

M20ns

A CH2

4.20V

T 39.2%

HIGH SIDE

HS MINUS

SW NODE

LOW SIDE

18ns (

tr,DRVL)

24ns (

tpdh,DRVL)

11ns (

tf,DRVH)

TA = 25°C

570

550

530

510

490

470

450

430

–40

–20

120

100

TEMPERATURE (°C)

VREG = 5.5V

VREG = 3.6V

VREG = 2.7V

680

330

380

430

480

530

580

630

2.7

3.0

5.4

4.8

5.1

4.5

4.2

3.9

3.6

3.3

VREG (V)

+125°C

+25°C

–40°C

1.30

1.25

1.20

1.15

1.10

1.05

1.00

0.95

0.90

0.85

0.80

0.75

0.70

2.7

5.5

5.1

4.7

4.3

–40°C

+25°C

+125°C

3.9

3.5

3.1

VREG (V)

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