Typical operating characteristics – Rainbow Electronics MAX5093 User Manual

Page 5

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MAX5092/MAX5093

4V to 72V Input LDOs with Boost Preregulator

_______________________________________________________________________________________

5

QUIESCENT SUPPLY CURRENT

vs. INPUT VOLTAGE (MAX5092B)

MAX5092/93 toc01

INPUT VOLTAGE (V)

QUIESCENT SUPPLY CURRENT (

µ

A)

64

56

16

24

32

40

48

55

60

65

70

75

80

85

90

50

8

72

I

OUT

= 100µA

I

OUT

= 10mA

BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I

IN

- I

OUT

INPUT CURRENT (I

IN

)

vs. INPUT VOLTAGE (MAX5092B)

MAX5092/93 toc02

INPUT VOLTAGE (V)

INPUT CURRENT (mA)

6.5

6.0

5.5

5.0

4.5

1

10

100

0.1

4.0

7.0

I

OUT

= 100µA

I

OUT

= 10mA

BOOST CONVERTER SWITCHING

QUIESCENT SUPPLY CURRENT

vs. TEMPERATURE (MAX5092B)

MAX5092/93 toc03

TEMPERATURE (°C)

QUIESCENT SUPPLY CURRENT (

µ

A)

110

85

60

35

10

-15

50

60

70

80

90

100

40

-40

135

I

OUT

= 10mA

I

OUT

= 100µA

BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I

IN

- I

OUT

QUIESCENT SUPPLY CURRENT

vs. TEMPERATURE (MAX5093B)

MAX5092/93 toc04

TEMPERATURE (°C)

QUIESCENT SUPPLY CURRENT (

µ

A)

110

85

60

35

10

-15

50

60

70

80

90

100

40

-40

135

I

OUT

= 10mA

I

OUT

= 100µA

BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I

IN

- I

OUT

SHUTDOWN SUPPLY CURRENT

vs. INPUT VOLTAGE (MAX5092B)

MAX5092/93 toc05

INPUT VOLTAGE (V)

SHUTDOWN SUPPLY CURRENT (

µ

A)

64

54

44

34

24

14

2

4

6

8

10

0

4

74

V

EN

= 0V

SHUTDOWN SUPPLY CURRENT

vs. INPUT VOLTAGE (MAX5093B)

MAX5092/93 toc06

INPUT VOLTAGE (V)

SHUTDOWN SUPPLY CURRENT (

µ

A)

64

54

44

34

24

14

2

4

6

8

10

0

4

74

V

EN

= 0V

Typical Operating Characteristics

(V

IN

= V

EN

= 14V, C

IN

= 47µF, C

BSOUT

= 22µF, C

OUT

= 10µF, C

VL

= 1µF, T

A

= +25°C, unless otherwise noted.) (See Figures 4–7 as

applicable.)

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE (MAX5092B)

MAX5092/93 toc07

TEMPERATURE (°C)

SHUTDOWN SUPPLY CURRENT (

µ

A)

110

85

60

35

10

-15

4

6

8

10

2

-40

135

V

EN

= 0V

LINE-TRANSIENT RESPONSE

(V

IN

STEP FROM 4V TO 7V)

MAX5092/93 toc08

200µs/div

V

OUT

50mV/div

V

IN

1V/div

V

BSOUT

1V/div

5V (AC-COUPLED)

7V

4V

7V (AC-COUPLED)

I

OUT

= 250mA

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