MAX5051AUI datasheet(7/21 Pages) MAXIM

Part #	MAX5051AUI

Description	Parallelable, Clamped Two-Switch Power-Supply Controller IC

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Manufacturer	MAXIM [Maxim Integrated Products]

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Parallelable, Clamped Two-Switch

Power-Supply Controller IC

_______________________________________________________________________________________

7

REG5 OUTPUT VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

25

50

0

-25

4.991

4.992

4.993

4.994

4.995

4.996

4.997

4.998

4.999

5.000

5.001

4.990

-50

125

AVIN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

100

200

300

400

500

600

700

0

-50

125

VUVLO = 0V

PVIN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

6.7

6.8

6.9

7.0

7.1

7.2

6.6

-50

125

VPVIN = 12V

SOFT-START/REFERENCE VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

25

50

0

-25

1.200

1.205

1.210

1.215

1.220

1.225

1.230

1.235

1.240

1.245

-50

125

CSS SOFT-START CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

65

70

75

80

85

90

60

-50

125

UVLO THRESHOLD vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

-25

0

25

50

1.205

1.210

1.215

1.220

1.225

1.230

1.235

1.240

1.200

-50

125

STT STARTUP THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

-25

0

25

50

1.205

1.210

1.215

1.220

1.225

1.230

1.235

1.240

1.200

-50

125

FLTINT CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

25

50

0

-25

86

85

87

88

89

90

91

92

93

94

95

-50

125

RCFF LEVEL-SHIFT VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

25

50

0

-25

2.21

2.22

2.23

2.24

2.25

2.26

2.27

2.28

2.29

2.30

2.20

-50

125

Typical Operating Characteristics (continued)

(VAVIN = VPVIN = 12V, VUVLO = VSTT = 3V, VCON = 3V, RRCOSC = 24k

Ω, CCSS = 10nF, CRCOSC = 100pF, CREG9 = 4.7µF, CREG5 =

4.7µF, TA = +25°C, unless otherwise noted.)

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