MAX5067 Просмотр технического описания (PDF) - Maxim Integrated

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Компоненты Описание

производитель

MAX5067

Dual-Phase, +0.6V to +3.3V Output Parallelable, Average-Current-Mode Controllers

Maxim Integrated 

Dual-Phase, +0.6V to +3.3V Output Parallelable,

Average-Current-Mode Controllers

Typical Operating Characteristics (continued)

(Circuit of Figure 1, TA = +25°C, unless otherwise noted.)

CURRENT-SENSE THRESHOLD

vs. OUTPUT VOLTAGE

55

54

53

52

51

50

49 PHASE 2

48 PHASE 1

47

46

45

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8

VOUT (V)

OUTPUT VOLTAGE vs. OUTPUT CURRENT

AND ERROR AMP GAIN (RF/RIN)

1.90

1.85

RF/RIN = 40 RF/RIN = 20

1.80

1.75

1.70

1.65

RF/RIN = 10

1.60

RF/RIN = 7.5

1.55

1.50

0 4 8 12 16 20 24 28 32 36 40 44 48 52

ILOAD (A)

OVERVOLTAGE THRESHOLD (PGOOD)

vs. INPUT VOLTAGE

10

VOUT = +3.3V

1

VOUT = +0.8V

0.1

4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5

VIN (V)

DIFFERENTIAL AMPLIFIER BANDWIDTH

3.5

90 MAX5065/67 toc14

3.0

45

PHASE

0

2.5

-45

2.0

-90

1.5

-135

GAIN

1.0

-180

0.5

-225

0

0.01

0.1

1

FREQUENCY (MHz)

-270

10

UNDERVOLTAGE THRESHOLD (PGOOD)

vs. INPUT VOLTAGE

10

VOUT = +3.3V

1

VOUT = +0.8V

0.1

4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5

VIN (V)

DIFF OUTPUT ERROR

vs. SENSE+ TO SENSE- VOLTAGE

0.200

0.175

VIN = +12V

NO DRIVER

0.150

0.125

0.100

0.075

0.050

0.025

0

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0

∆VSENSE (V)

VCC LOAD REGULATION

vs. INPUT VOLTAGE

5.20

5.15

VIN = +24V

5.10

VIN = +12V

5.05

5.00

VIN = +8V

4.95

4.90

4.85

DC LOAD

4.80

0 15 30 45 60 75 90 105 120 135 150

ICC (mA)

VCC LINE REGULATION

5.25

5.20

5.15

ICC = 0

5.10

5.05

ICC = 40mA

5.00

4.95

4.90

4.85

4.80

4.75

8

10 12 14 16 18 20 22 24 26 28

VIN (V)

VCC LINE REGULATION

5.25

5.20

5.15

5.10

5.05

5.00

4.95

4.90

4.85

4.80

ICC = 80mA

4.75

8

9

10 11 12 13

VIN (V)

6 _______________________________________________________________________________________

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