MAX1961 Просмотр технического описания (PDF) - Maxim Integrated

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MAX1961

2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining

Maxim Integrated 

2.35V to 5.5V, 0.5% Accurate, 1MHz PWM

Step-Down Controllers with Voltage Margining

Typical Operating Characteristics (continued)

(Circuit of Figure 9, TA = +25°C, unless otherwise noted.)

7.5A TO 15A TO 7.5A LOAD TRANSIENT

MAX1960 toc16

VOUT

50mV/div

ILOAD

20µs/div

5A/div

VOLTAGE-MARGINING STEP RESPONSE

MAX1960 toc17

CTL1

5V/div

CTL2

5V/div

IIN

VOUT

CIRCUIT OF FIGURE 13

50µs/div

200mA/div

200mV/div

STARTUP/SHUTDOWN WAVEFORMS

MAX1960 toc18

IIN

10A/div

IL

10A/div

VOUT

1ms/div

1V/div

MAX1962

SHORT-CIRCUIT WAVEFORMS

MAX1960 toc20

IIN

10A/div

10A/div

IL

VOUT

2V/div

VIN = 5V

VOUT = 3.3V

50µs/div

MAX1960/MAX1961

SHORT-CIRCUIT WAVEFORMS

MAX1960 toc19

VOUT

CIRCUIT OF FIGURE 13

2V/div

IL

20A/div

IIN

50µs/div

5A/div

DH

MASTER

DL

MASTER

CLKOUT

MASTER/

SYNC

SLAVE

DH

SLAVE

DL

SLAVE

SYNC TIMING WAVEFORMS

MAX1960 toc21

200ns/div

8 _______________________________________________________________________________________

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