ADP5072ACBZ-R7 datasheet(9/24 Pages) AD

9 / 24 page

Data Sheet

ADP5072

Rev. 0 | Page 9 of 24

0.001

1.0

LOAD CURRENT (A)

100

0.01

0.1

TA = +125°C

TA = +25°C

TA = –40°C

Figure 15. Efficiency vs. Load Current for Boost Regulator over Temperature,

VIN = 5 V, VPOS = 15 V, fSW = 1.2 MHz

0.5

–0.5

2.5

6.0

VIN (V)

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

3.0

3.5

4.0

4.5

5.0

5.5

VPOS ACCURACY

VFB1 ACCURACY

Figure 16. Boost Regulator Line Regulation, VPOS = 15 V,

fSW = 1.2 MHz, 15 mA Load, TA = 25°C

0.5

–0.5

0.25

LOAD CURRENT (A)

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.05

0.10

0.15

0.20

1.2MHz

2.4MHz

Figure 17. Boost Regulator Load Regulation, VIN = 5 V, VPOS = 15 V

0.001

1.0

LOAD CURRENT (A)

100

0.01

0.1

TA = +125°C

TA = +25°C

TA = –40°C

Figure 18. Efficiency vs. Load Current for Inverting Regulator over

Temperature, VIN = 5 V, VNEG = −15 V, fSW = 1.2 MHz

0.5

–0.5

2.5

6.0

VIN (V)

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

3.0

3.5

4.0

4.5

5.0

5.5

VNEG ACCURACY

VREF ACCURACY

VFB2 ACCURACY

Figure 19. Inverting Regulator Line Regulation, VNEG = −15 V,

fSW = 1.2 MHz, 15 mA Load, TA = 25°C

–0.5

–0.4

–0.3

–0.2

–0.1

0.2

0.3

0.4

0.5

0.1

LOAD CURRENT (A)

0.02

0.04

0.06

0.08

0.10

0.12

1.2MHz

2.4MHz

Figure 20. Inverting Regulator Load Regulation, VIN = 5 V, VNEG = −15 V

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