MAX15034(2008) データシートの表示（PDF） - Maxim Integrated

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MAX15034
(Rev.:2008)

Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications

Maxim Integrated 

Configurable, Single-/Dual-Output, Synchronous

Buck Controller for High-Current Applications

Typical Operating Characteristics (continued)

(Circuit of Figure 6, TA = +25°C, unless otherwise noted. VIN = 12V, VOUT1 = 0.8V, VOUT2 = 1.3V, fSW = 500kHz per phase.)

INTERNAL AVERAGE CURRENT LIMIT

vs. TEMPERATURE

25

24

23

22

21

20

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

SOFT-START WAVEFORM

MAX15034 toc22

EN2

5V/div

VOUT2

500mV/div

INTERNAL AVERAGE REVERSE

CURRENT LIMIT vs. TEMPERATURE

0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

PREBIASED OUTPUT CONDITION

EN2 MAX15034 toc23

5V/div

VOUT2

500mV/div

400μs/div

VEAN2

200mV/div

DH2

5V/div

DL2

5V/div

0V

PEAK PULLUP AND PULLDOWN CURRENT

OR DRIVER AT DH_ AND DL_

MAX15034 toc24

CLOAD = 10nF

DH_

500mV/div

400μs/div

EAOUT2

1V/div

DL_

500mV/div

200ns/div

8 _______________________________________________________________________________________

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