MAX1712 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

fabricante

MAX1712

High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs

Maxim Integrated 

High-Speed, Digitally Adjusted

Step-Down Controllers for Notebook CPUs

_____________________________Typical Operating Characteristics (continued)

(7A CPU supply circuit of Figure 1, TA = +25°C, unless otherwise noted.)

LOAD-TRANSIENT RESPONSE

(WITH INTEGRATOR)

LOAD-TRANSIENT RESPONSE

(WITH INTEGRATOR)

LOAD-TRANSIENT RESPONSE

(WITHOUT INTEGRATOR)

A

A

A

B

10µs/div

VIN = 15V, VO = 1.6V, IO = 0A TO 7A

A = VOUT, AC-COUPLED, 50mV/div

B = INDUCTOR CURRENT, 5A/div

LOAD-TRANSIENT RESPONSE

(WITH INTEGRATOR)

A

B

C

20µs/div

VIN = 4.5V, VO = 2V, IO = 30mA TO 7A

A = VOUT, AC-COUPLED, 50mV/div

B = INDUCTOR CURRENT, 5A/div

C = DL, 10V/div

B

10µs/div

VIN = 15V, VO = 1.6V, IO = 30mA TO 7A

A = VOUT, AC-COUPLED, 50mV/div

B = INDUCTOR CURRENT, 5A/div

LOAD-TRANSIENT RESPONSE

(WITH INTEGRATOR)

A

B

C

20µs/div

VIN = 4.5V, VO = 1.3V, IO = 30mA TO 7A

A = VOUT, AC-COUPLED, 50mV/div

B = INDUCTOR CURRENT, 5A/div

C = DL, 10V/div

B

10µs/div

VIN = 15V, VO = 1.6V, IO = 30mA TO 7A

A = VOUT, AC-COUPLED, 50mV/div

B = INDUCTOR CURRENT, 5A/div

STARTUP WAVEFORM

A

B

C

500µs/div

A = SHDN

B = VOUT, 0.5V/div

C = INDUCTOR CURRENT, 5A/div

_______________________________________________________________________________________ 7

Share Link: