Rainbow-electronics MAX1715 Manual do Utilizador descarregar pdf (Página 6)

MAX1715

Ultra-High Efficiency, Dual Step-Down

Controller for Notebook Computers

6 _______________________________________________________________________________________

_____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 1, components from Table 1, V

= +15V, SKIP = AGND, TON = unconnected, T

= +25°C, unless otherwise noted.)

0.01 1010.1

100

MAX1715-9

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(1.3V, 8A COMPONENTS, SKIP = V

)

V+ = +7V

V+ = +20V

V+ = +12V

0.01 1010.1

300

400

200

100

MAX1715-10

LOAD CURRENT (A)

FREQUENCY (kHz)

FREQUENCY vs. LOAD CURRENT

(4A COMPONENTS)

OUT1, SKIP = V

OUT2, SKIP = V

OUT1, SKIP = GND

OUT2, SKIP = GND

400

300

200

100

4128 162024

MAX1715-11

SUPPLY VOLTAGE (V)

FREQUENCY (kHz)

FREQUENCY vs. SUPPLY VOLTAGE

(4A COMPONENTS, SKIP = V

)

OUT1

OUT2

100

0.001 0.1 10.01 10

MAX1715-07

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(3.3V, 1.5A COMPONENTS, V

= 5V)

SKIP = V

SKIP = GND

0.01 1010.1

100

MAX1715-08

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(1.3V, 8A COMPONENTS, SKIP = GND)

V+ = +7V

V+ = +20V

V+ = +12V

0.01 1010.1

100

MAX1715-04

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(2.5V, 4A COMPONENTS, SKIP = V

)

V+ = +7V

V+ = +20V

V+ = +12V

0.01 1010.1

100

MAX1715-05

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(5V, 3A COMPONENTS, SKIP = GND)

V+ = +7V

V+ = +20V

V+ = +12V

0.01 1010.1

100

MAX1715-06

LOAD CURRENT (A)

EFFICIENCY (%)

EFFICIENCY vs. LOAD CURRENT

(5V, 3A COMPONENTS, SKIP = V

)

V+ = +7V

V+ = +20V

V+ = +12V

1 2 3 4 5 6 7 8 9 10 11 ... 24 25

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