Typical operating characteristics – Rainbow Electronics MAX5064 User Manual

Page 5

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MAX5062/MAX5063/MAX5064

125V/2A, High-Speed,

Half-Bridge MOSFET Drivers

_______________________________________________________________________________________

5

UNDERVOLTAGE LOCKOUT

(V

DD

AND V

BST

RISING) vs. TEMPERATURE

MAX5062/3/4 toc01

TEMPERATURE (

°C)

UVLO (V)

110

95

65 80

-10 5

20 35 50

-25

6.6

6.7

6.8

6.9

7.0

7.1

7.2

7.3

7.4

7.5

6.5

-40

125

UVLO

VDD

UVLO

BST

V

DD

AND BST UNDERVOLTAGE LOCKOUT

HYSTERESIS vs. TEMPERATURE

MAX5062/3/4 toc02

TEMPERATURE (

°C)

UVLO HYSTERESIS (V)

110

95

65 80

-10 5

20 35 50

-25

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0

-40

125

UVLO

BST

HYSTERESIS

UVLO

VDD

HYSTERESIS

I

DD

vs. V

DD

MAX5062/3/4 toc03

40

µs/div

V

DD

2V/div

500

µA/div

0A

0V

I

DD

MAX5064
IN_L-, IN_H- = V

DD

IN_L+, IN_H+ = GND

I

DDO

+ I

BSTO

vs. V

DD

(f

SW

= 250kHz)

MAX5062/3/4 toc04

V

DD

(V)

I

DDO

+

I

BSTO

(mA)

12

10 11

3

4

5

6

7

8

9

1

2

1.0
0.8
0.6
0.4
0.2

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

0

0

13

0

60

40

20

80

100

120

140

160

180

200

0.5

0.7

0.6

0.8

0.9

1.0

1.1

INTERNAL BST DIODE

(I-V) CHARACTERISTICS

MAX5062/3/4 toc05

V

DD

- V

BST

(V)

I

DIODE

(mA)

T

A

= +125

°C

T

A

= +25

°C

T

A

= 0

°C

T

A

= -40

°C

0

60

40

20

80

100

120

140

160

0

4

2

6

8

10

1

5

3

7

9

11 12 13 14 15

V

DD

QUIESCENT CURRENT

vs. V

DD

(NO SWITCHING)

MAX5062/3/4 toc06

V

DD

(V)

I

DD

A)

T

A

= -40

°C

T

A

= +125

°C

MAX5064

T

A

= +25

°C, T

A

= 0

°C

0

6

3

9

12

15

18

21

0

4

2

6

8

10

1

5

3

7

9

11 12 13 14 15

BST QUIESCENT CURRENT

vs. BST VOLTAGE

MAX5062/3/4 toc07

V

BST

(V)

I

BST

A)

V

BST

= V

DD

+ 1V,

NO SWITCHING

T

A

= +125

°C

T

A

= -40

°C, T

A

= 0

°C, T

A

= +25

°C

Typical Operating Characteristics

(Typical values are at V

DD

= V

BST

= +12V and T

A

= +25°C, unless otherwise specified.)

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