MAX1044ESA+T MAXIM CMOS电压转换器中文规格手册：低功耗，广泛应用 - CSDN文库

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(V+ = 5V; C

BYPASS

= 0.1μF; C1 = C2 = 10μF; LV = open; OSC = open; T

A

= +25°C; unless otherwise noted.)

Typical Operating Characteristics

OUTPUT VOLTAGE AND OUTPUT RIPPLE

vs. LOAD CURRENT

MAX1044-Fig 1

LOAD CURRENT (mA)

OUTPUT VOLTAGE (V)

OUTPUT RIPPLE (mV

p-p

)

987654321

-0.5

-1.0

-1.5

-2.0

0

100

50

200

150

300

250

400

350

0

0 10

OUTPUT

VOLTAGE

V+ = 2V

LV = GND

OUTPUT RIPPLE

A: MAX1044 WITH

BOOST = V+

B: ICL7660

C: MAX1044 WITH

BOOST = OPEN

A

B

C

EFFICIENCY AND SUPPLY CURRENT

vs. LOAD CURRENT

MAX1044-Fig 4

LOAD CURRENT (mA)

EFFICIENCY (%)

7 8 964 52 31

100 10

9

8

7

6

5

4

3

2

1

0 0

0 10

SUPPLY CURRENT (mA)

10

40

50

60

70

80

90

30

20

SUPPLY CURRENT

EFFICIENCY

V+ = 2V

LV = GND

OUTPUT VOLTAGE AND OUTPUT RIPPLE

vs. LOAD CURRENT

MAX1044-Fig 2

LOAD CURRENT (mA)

OUTPUT VOLTAGE (V)

353020 2510 155

-5.0 800

720

640

560

480

400

320

240

160

80

0 0

0 40

-0.5

-2.0

-2.5

-3.0

-3.5

-4.0

-4.5

-1.5

-1.0

OUTPUT RIPPLE (mV

p-p

)

OUTPUT VOLTAGE

OUTPUT RIPPLE

V+ = 5V

LV = OPEN

A

A

B

C

B

C

A: MAX1044 WITH

BOOST = V+

B: ICL7660

C: MAX1044 WITH

BOOST = OPEN

EFFICIENCY AND SUPPLY CURRENT

vs. LOAD CURRENT

MAX1044-Fig 5

LOAD CURRENT (mA)

EFFICIENCY (%)

353020 2510 155

100 50

45

40

35

30

25

20

15

10

5

0 0

0 40

SUPPLY CURRENT (mA)

10

40

50

60

70

80

90

30

20

V+ = 5V

LV = OPEN

EFFICIENCY

A: MAX1044 WITH

BOOST = V+

B: ICL7660

C: MAX1044 WITH

BOOST = OPEN

SUPPLY CURRENT

B

C

A

OUTPUT VOLTAGE AND OUTPUT RIPPLE

vs. LOAD CURRENT

MAX1044-Fig 3

LOAD CURRENT (mA)

OUTPUT VOLTAGE (V)

353020 2510 155

-10 700

630

560

490

420

350

280

210

140

70

0 0

0 40

OUTPUT RIPPLE (mV

p-p

)

-1

-4

-5

-6

-7

-8

-9

-3

-2

V+ = 10V

LV = OPEN

OUTPUT

RIPPLE

A

B

A: MAX1044 WITH

BOOST = V+

B: ICL7660

C: MAX1044 WITH

BOOST = OPEN

C

B

C

A

OUTPUT

VOLTAGE

EFFICIENCY AND SUPPLY CURRENT

vs. LOAD CURRENT

MAX1044-Fig 6

LOAD CURRENT (mA)

EFFICIENCY (%)

353020 2510 155

100 50

45

40

35

30

25

20

15

10

5

0 0

0 40

SUPPLY CURRENT (mA)

10

40

50

60

70

80

90

30

20

V+ = 10V

LV = OPEN

A: MAX1044 WITH

BOOST = V+

B: ICL7660

C: MAX1044 WITH

BOOST = OPEN

SUPPLY CURRENT

B, C

EFFICIENCY

A

MAX1044/ICL7660 Switched-Capacitor Voltage Converters

Maxim Integrated

│

3

www.maximintegrated.com

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