MAX17021 datasheet(13/48 Pages) MAXIM

13 / 48 page

Dual-Phase, Quick-PWM Controllers for

IMVP-6+/IMVP-6.5 CPU Core Power Supplies

______________________________________________________________________________________

MAX17021 toc16

μs/div

A. IOUT = 10A TO 50A

B. VOUT, 50mV/div

C. ILX1, 10A/div

D. ILX2, 10A/div

50A

1.075V

10A

25A

LOAD TRANSIENT RESPONSE (HFM MODE)

MAX17021 toc17

µs/div

A. IOUT = 5A TO 20A

B. VOUT, 50mV/div

C. INDUCTOR CURRENT,

10A/div

20A

0.875V

20A

LOAD-TRANSIENT RESPONSE (LFM MODE)

MAX17021 toc18

µs/div

A. VID3, 5V/div

B. VOUT, 50mV/div

C. ILX1, 10A/div

D. ILX2, 10A/div

1.075V

0.975V

VID CODE CHANGE (SLOW = GND)

MAX17021 toc19

µs/div

A. VID3, 5V/div

B. VOUT, 50mV/div

C. ILX1, 10A/div

D. ILX2, 10A/div

1.075V

0.975V

VID CODE CHANGE (SLOW = VDD)

MAX17021 toc20

µs/div

A. D0, 5V/div

B. VOUT, 20mV/div

IOUT = 10A

C. ILX1, 10A/div

D. ILX2, 10A/div

1.075V

1.0625V

DYNAMIC VID CODE CHANGE

(D0 = 12.5mV)

MAX17021 toc21

100

μs/div

A. VOUT, 500mV/div

B. PWRGD, 10V/div

C. DL_, 10V/div

D. ILX1, 15A/div

1.075V

30A

OUTPUT UNDERVOLTAGE FAULT

VIMON vs. LOAD CURRENT

VCSPN1 + VCSPN2 (mV)

160

140

120

100

180

080

VOUT = 1.075V

DPRSLPVR = VCC

DPRSLPVR = GND

Typical Operating Characteristics (continued)

(Circuit of Figure 1. VIN = 12V, VCC = VDD = 5V, SHDN = VCC, D0–D6 set for 1.075V, TA = +25°C, unless otherwise specified.)

MAX17021 Datasheet(PDF) 13 Page - Maxim Integrated Products

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