ADP5071AREZ-R7 datasheet(12/28 Pages) AD

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Data Sheet

ADP5071

Rev. A | Page 11 of 27

0.5

–0.5

–0.3

–0.1

0.1

0.3

0.15

0.10

0.05

0.20

INVERTING REGULATOR LOAD (A)

Figure 22. 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

VIN (V)

TA = –40°C

TA = +25°C

TA = +125°C

2.00

2.05

2.10

2.15

2.20

2.25

2.30

2.35

2.40

Figure 23. Boost Regulator Current Limit (ILIMIT) vs. Input Voltage (VIN)

over Temperature

VIN (V)

TA = –40°C

TA = +25°C

TA = +125°C

2.24

2.29

2.34

2.39

2.44

2.49

2.54

Figure 24. Oscillator Frequency vs. Input Voltage (VIN) over Temperature,

SYNC/FREQ Pin = High

0.5

–0.5

–0.3

–0.1

0.1

0.3

–0.05

0.25

0.15

0.05

0.35

0.45

BOOST REGULATOR LOAD (A)

Figure 25. 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

VIN (V)

TA = –40°C

TA = +25°C

TA = +125°C

1.20

1.22

1.28

1.32

1.36

1.40

1.44

Figure 26. Inverting Regulator Current Limit (ILIMIT) vs. Input Voltage (VIN)

over Temperature

VIN (V)

TA = –40°C

TA = +25°C

TA = +125°C

1.13

1.27

1.25

1.23

1.21

1.19

1.17

1.15

Figure 27. Oscillator Frequency vs. Input Voltage (VIN) over Temperature,

SYNC/FREQ Pin = Low

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