AN2359 datasheet(9/18 Pages) STMICROELECTRONICS

Part #	AN2359

Description	Double output Buck-Boost converter with VIPerX2A

PDF	18 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 18 page

AN2359

Application example nº 1

9/18

150

11.23

5.01

7.01

2.24

1.59

71.05

300

11.37

4.99

10.53

3.37

2.35

69.73

150

10.4

5.01

6.7

2.14

1.56

72.76

150

11.01

10.38

3.32

2.40

72.30

150

300

12.21

4.98

14.44

4.62

3.33

71.97

Table 6.

Circuit characterization - VIN = 374VDC

IOUT1 [mA] IOUT2 [mA] VOUT1[V]

VOUT2[V]

IIN [mA]

PIN [W]

POUT[W]

η[%]

11.74

5.06

0.44

0.16

0.00

150

15.77

5.02

3.39

1.27

0.75

59.39

300

16.51

6.38

2.39

1.50

62.86

10.54

5.02

3.09

1.16

0.79

68.40

150

11.26

5.01

6.18

2.31

1.60

69.05

300

11.41

9.36

3.50

2.36

67.29

150

10.4

5.01

5.92

2.21

1.56

70.46

150

11.05

5.01

9.26

3.46

2.41

69.56

150

300

11.2

4.98

12.74

4.76

3.17

66.61

Table 5.

Circuit characterization - VIN = 320VDC

IOUT1 [mA] IOUT2 [mA] VOUT1[V]

VOUT2[V]

IIN [mA]

PIN [W]

POUT[W]

η[%]

Figure 2.

Typical waveforms at 88VAC: open

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Figure 3.

Typical waveforms at 88VAC: full

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Ch1 Freq - 2.38kHz

Ch2 Max - 228mA

Ch1 Freq - 59.61kHz

Ch2 Max - 572mA

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