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Typical operating characteristics (continued) – Rainbow Electronics MAX17480 User Manual

Page 14

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CORE SMPS 1-PHASE TRANSIENT

PHASE REPEAT

MAX17480 toc20

2

µs/div

1.2V

1.5A

13.5A

12V

0

V

OUT1

50mV/div

I

LX1

10A/div

LX1
10V/div

V

IN

= 12V

I

LOAD1

= 1.5A TO 13.5A TO 1.5A

V

OUT1

= 1.2V

PWM MODE

CORE SMPS 2-PHASE LOAD-TRANSIENT

RESPONSE

MAX17480 toc21

20

µs/div

1.2V

1.5A

13.5A

13.5V

1.5A

V

OUT

50mV/div

I

LX1

10A/div

I

LX2

10A/div

V

IN

= 12V

I

LOAD

= 3A TO 27A TO 3A

V

OUT1

= 1.2V

PWM MODE

CORE SMPS 2-PHASE TRANSIENT

PHASE REPEAT

MAX17480 toc22

2

µs/div

1.2V

1.5A

13.5A

13.5A

1.5A

V

OUT

50mV/div

I

LX1

10A/div

I

LX2

10A/div

V

IN

= 12V

I

LOAD

= 3A TO 27A TO 3A

V

OUT1

= 1.2V

PWM MODE

NB SMPS LOAD-TRANSIENT

RESPONSE

MAX17480 toc23

20

µs/div

1V

0.4A

3.6A

5V

0

V

OUT3

50mV/div

I

LX3

2A/div

LX3
5V/div

V

IN3

= 5V

I

LOAD3

= 0.4A TO 3.6A TO 0.4A

V

OUT3

= 1V

PWM MODE

MAX17480

AMD 2-/3-Output Mobile Serial
VID Controller

14

______________________________________________________________________________________

Typical Operating Characteristics (continued)

(

Circuit of Figure 2, V

IN

= 12V, V

DD

= V

CC

= 5V, V

DDIO

= 2.5V, T

A

= +25

°C, unless otherwise noted

.)