MAX17482GTL Ver la hoja de datos (PDF) - Maxim Integrated

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MAX17482GTL

Dual-Phase, Quick-PWM Controllers for IMVP-6+/IMVP-6.5 CPU Core Power Supplies

Maxim Integrated 

Dual-Phase, Quick-PWM Controllers for

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

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, VIN = 10V, VCC = VDD = VSHDN = VPGDIN = VPSI = VILIM = 5V, V3P3 = 3.3V, DPRSLPVR = GNDS = GND, VCSP1

= VCSN1 = VCSP2 = VCSN2 = 1.0000V, FB = FBAC, RFBAC = 3.57kΩ from FBAC to CSN1, D6–D0 = [0101000]; MAX17082/MAX17482:

VSLOW = 5V; MAX17021: DPRSTP = GND; TA = -40°C to +105°C, unless otherwise noted.) (Note 4)

PARAMETER

GNDS Input Range

GNDS Gain

TIME Regulation Voltage

TIME Slew-Rate Accuracy

On-Time

Minimum Off-Time

BIAS CURRENTS

Quiescent Supply Current

(VCC)

Quiescent Supply Current

(V3P3)

SYMBOL

AGNDS

VTIME

tON

tOFF(MIN)

CONDITIONS

VOUT/
VGNDS

RTIME = 71.5k

RTIME = 71.5k
(12.5mV/μs nominal)

RTIME = 35.7k
(25mV/μs nominal) to 178k

(5mV/μs nominal)

Soft-start and soft-shutdown:

RTIME = 35.7k
(3.125mV/μs nominal) to 178k

(0.625mV/μs nominal)

Slow:

IMVP-6.5 (MAX17082/MAX17482): VSLOW = 0V,

1/2 of nominal slew rate, RTIME = 71.5k

(6.25mV/μs nominal);

IMVP-6+ (MAX17021): VDPRSTP = VDPRSLPVR = 5V,

1/4 of nominal slew rate, RTIME = 71.5k

(3.125mV/μs nominal)

Slow:

IMVP-6.5 (MAX17082/MAX17482): VSLOW = 0V,

1/2 of nominal slew rate, RTIME = 35.7k

(12.5mV/μs nominal) to 178k
(2.5mV/μs nominal);

IMVP-6+ (MAX17021): VDPRSTP = VDPRSLPVR = 5V,

1/4 of nominal slew rate, RTIME = 35.7k

(6.25mV/μs nominal) to 178k
(1.25mV/μs nominal)

Measured

at DH_

(Note 3)

RTON = 96.75k
(600kHz per phase),

167ns nominal

RTON = 200k
(300kHz per phase),

333ns nominal

RTON = 303.25k
(200kHz per phase),

500ns nominal

Measured at DH_ (Note 3)

MIN

-200

0.97

1.985

-10

-15

-25

-15

-17

-15

-15

-15

TYP

MAX

+200

1.03

2.015

+10

UNITS

mV

V/V

V

+15

+25

+15

%

+17

+15

+15

%

+15

350

ns

ICC

Measured at VCC, VDPRSLPVR = 5V, FB forced

above the regulation point

I3P3

Measured at V3P3, FB forced within the CLKEN

power-good window

5

mA

4

μA

8 _______________________________________________________________________________________

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