ADP5076ACBZ-R7 datasheet(10/23 Pages) AD

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ADP5076

Data Sheet

Rev. A | Page 10 of 23

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12

INVERTING REGULATOR LOAD (A)

Figure 21. Cross Regulation, Boost Regulator VFB1 Regulation over Inverting

Regulator Current Load, VIN = +5 V, VPOS = +15 V, VNEG = −15 V, fSW = 2.4 MHz,

TA = 25°C, Boost Regulator Run in Continuous Conduction Mode with Fixed

Load for Test

2.00

2.05

2.10

2.15

2.20

2.25

2.30

2.35

2.40

2.53.03.54.04.55.05.56.0

VIN (V)

TA = +125°C

TA = +25°C

TA = –40°C

Figure 22. Boost Regulator Current Limit (ILIMIT1) vs. VIN over Temperature

1.13

1.15

1.17

1.19

1.21

1.23

1.25

1.27

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

TA = +125°C

TA = +25°C

TA = –40°C

Figure 23. Oscillator Frequency vs. VIN over Temperature, SYNC Pin = High

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12

BOOST REGULATOR LOAD (A)

Figure 24. Cross Regulation, Inverting Regulator VFB2 Regulation over Boost

Regulator Current Load, VIN = +5 V, VPOS = +15 V, VNEG = −15 V, fSW = 2.4 MHz,

TA = 25°C, Inverting Regulator Run in Continuous Conduction Mode with

Fixed Load for Test

1.20

1.24

1.28

1.32

1.36

1.40

1.44

2.53.03.54.04.55.05.56.0

VIN (V)

TA = +125°C

TA = +25°C

TA = –40°C

Figure 25. Inverting Regulator Current Limit (ILIMIT2) vs. VIN over Temperature

2.24

2.29

2.34

2.39

2.44

2.49

2.54

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

TA = +125°C

TA = +25°C

TA = –40°C

Figure 26. Oscillator Frequency vs. VIN over Temperature, SYNC Pin = Low

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