MAX15021(2012) Просмотр технического описания (PDF) - Maxim Integrated

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MAX15021
(Rev.:2012)

Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Tracking/Sequencing Capability

Maxim Integrated 

MAX15021

Dual, 4A/2A, 4MHz, Step-Down DC-DC

Regulator with Tracking/Sequencing Capability

Typical Operating Characteristics (continued)

(VAVIN = VDVDD1 = VDVDD2 = VPVIN1 = VPVIN2 = 5V, VOUT1 = 3.3V, VOUT2 = 1.5V, VPGND_ = 0V, RT = 16.5kΩ. TA = +25°C, unless

otherwise noted.)

CHANNEL 1 LOAD STEP RESPONSE

MAX15021 toc15

EN2 = 0V

VPVIN1

5V/div

0V

VOUT1

3.3V, AC-COUPLED

100mV/div

CHANNEL 1 LOAD STEP RESPONSE

MAX15021 toc16

EN2 = 0V

VPVIN1

5V/div

0V

VOUT1

3.3V, AC-COUPLED

100mV/div

20μs/div

IOUT1

2A/div

0A

20μs/div

IOUT1

2A/div

0A

CHANNEL 2 LOAD STEP RESPONSE

MAX15021 toc17

EN1 = 0V

VPVIN2

5V/div

0V

VOUT2

1.5V, AC-COUPLED

100mV/div

IOUT2

1A/div

0A

CHANNEL 2 LOAD STEP RESPONSE

MAX15021 toc18

EN1 = 0V

VPVIN2

5V/div

0V

VOUT2

1.5V, AC-COUPLED

100mV/div

IOUT2

1A/div

0A

20μs/div

20μs/div

180° OUT-OF-PHASE OPERATION

MAX15021 toc19

IOUT1 = 3A

IOUT2 = 1.5A

PVIN1 = PVIN2

5V/div

0V

VLX1

5V/div

0V

VLX2

5V/div

0V

200ns/div

6

Maxim Integrated

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