MAX749CSLASHD datasheet(3/12 Pages) MAXIM

部件名	MAX749C/D

功能描述	Digitally Adjustable LCD Bias Supply

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制造商	MAXIM [Maxim Integrated Products]

网页	https://www.maximintegrated.com/en.html

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Digitally Adjustable LCD Bias Supply

_______________________________________________________________________________________

3

85

65

-24

-20

-12

-4

EFFICIENCY vs.

OUTPUT VOLTAGE

70

80

OUTPUT VOLTAGE (V)

-16

-8

75

-40mA

V+ = 3V

RBASE = 470Ω

RSENSE = 0.25Ω

TRANSISTOR : ZTX750

-22

-18

-14

-10

-6

-20mA

-5mA

85

65

-24

-20

-12

-4

EFFICIENCY vs.

OUTPUT VOLTAGE

70

80

OUTPUT VOLTAGE (V)

-16

-8

75

-5mA

-20mA

-40mA

V+ = 5V

RSENSE = 0.25Ω

TRANSISTOR : SMD10P05L

-22

-18

-14

-10

-6

80

65

0

EFFICIENCY vs. OUTPUT

CURRENT – PNP

OUTPUT CURRENT (mA)

70

75

10

20

30

40

50

85

60

-24V

-12V

-5V

V+ = 3V

RBASE = 470Ω

RSENSE = 0.25Ω

TRANSISTOR: ZTX750

80

64

0

20

60

100

EFFICIENCY vs. OUTPUT

CURRENT – PNP

68

76

OUTPUT CURRENT (mA)

40

80

72

78

74

70

66

10

30

50

70

90

V+ = 3V

RBASE = 160Ω

RSENSE = 0.25Ω

TRANSISTOR = ZTX750

-12V

-5V

-24V

0

2

LOAD CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

4

50

100

150

200

250

300

350

400

450

500

35

6

-5V

-12V

-24V

-48V

RBASE = 160Ω

RSENSE = 0.25Ω

TRANSISTOR = ZTX750

85

65

010

30

50

EFFICIENCY vs. OUTPUT

CURRENT – MOSFET

70

80

OUTPUT CURRENT (mA)

20

40

75

5

152535

45

V+ = 5V

RSENSE = 0.25Ω

TRANSISTOR: SMD10P05L

-12V

-5V

-24V

0

LOAD CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

50

100

150

200

250

300

350

34

5

6

2

RBASE = 470Ω

RSENSE = 0.25Ω

TRANSISTOR = ZTX750

-5V

-12V

-24V

-48V

400

__________________________________________Typical Operating Characteristics

(TA = +25°C, L = 47µH, unless otherwise noted.)

类似零件编号 - MAX749C/D

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