ADP5072ACBZ-R7 datasheet(10/24 Pages) AD

10 / 24 page

ADP5072

Data Sheet

Rev. 0 | Page 10 of 24

0.2

0.1

–0.1

–0.2

0.12

INVERTING REGULATOR LOAD (A)

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11

Figure 21. Cross Regulation, Boost Regulator VFB1 Regulation, 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

1.30

1.00

2.5

5.5

VIN (V)

3.0

3.5

4.0

4.5

5.0

TA = +125°C

TA = +25°C

TA = –40°C

1.05

1.10

1.15

1.20

1.25

Figure 22. Boost Regulator Current Limit (ILIMIT) vs. Input Voltage (VIN)

over Temperature

2.54

2.24

2.5

5.5

VIN (V)

2.29

2.34

2.39

2.44

2.49

3.0

3.5

4.0

4.5

5.0

TA = +125°C

TA = +25°C

TA = –40°C

Figure 23. Oscillator Frequency vs. Input Voltage (VIN) over Temperature,

SYNC Pin = High

0.2

0.1

–0.1

–0.2

0.12

BOOST REGULATOR LOAD (A)

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11

Figure 24. Cross Regulation, Inverting Regulator VFB2 Regulation,

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

0.75

0.60

2.5

5.5

VIN (V)

0.63

0.66

0.69

0.72

3.0

3.5

4.0

4.5

5.0

TA = +125°C

TA = +25°C

TA = –40°C

Figure 25. Inverting Regulator Current Limit (ILIMIT) vs. Input Voltage (VIN)

over Temperature

1.27

1.13

2.5

5.5

VIN (V)

1.15

1.17

1.19

1.21

1.23

1.25

3.0

3.5

4.0

4.5

5.0

TA = +125°C

TA = +25°C

TA = –40°C

Figure 26. Oscillator Frequency vs. Input Voltage (VIN) over Temperature,

SYNC Pin = Low

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