MAX17021GTL+ datasheet(4/48 Pages) MAXIM

Part #	MAX17021GTL+

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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4 / 48 page

Dual-Phase, Quick-PWM Controllers for

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

4

_______________________________________________________________________________________

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

VSLOW = 5V; MAX17021: DPRSTP = GND; TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Quiescent Supply Current

(V3P3)

I3P3

Measured at V3P3, FB forced within the

CLKEN

power-good window

2

4

μA

Shutdown Supply Current

(VCC)

ICC,SDN

Measured at VCC,

SHDN = GND, TA = +25°C

0.01

1

μA

Shutdown Supply Current

(VDD)

IDD,SDN

Measured at VDD,

SHDN = GND, TA = +25°C

0.01

1

μA

Shutdown Supply Current

(V3P3)

I3P3,SDN

Measured at V3P3,

SHDN = GND, TA = +25°C

0.01

1

μA

FAULT PROTECTION

Skip mode after output reaches the regulation

voltage or PWM mode; measured at FB with

respect to the voltage target set by the VID code;

see Table 4.

250

300

350

mV

IMVP-6.5

(MAX17082)

1.45

1.50

1.55

Soft-start, soft-shutdown, skip

mode, and output have not

reached the regulation

voltage; measured at FB

IMVP-6+

(MAX17021)

1.75

1.80

1.85

Output Overvoltage-

Protection Threshold

(MAX17021/MAX17082 Only)

VOVP

Minimum OVP threshold; measured at FB

0.8

V

Output Overvoltage-

Propagation Delay

(MAX17021/MAX17082 Only)

tOVP

FB forced 25mV above trip threshold

10

μs

Output Undervoltage-

Protection Threshold

VUVP

Measured at FB with respect to the voltage target

set by the VID code; see Table 4

-450

-400

-350

mV

Output Undervoltage-

Propagation Delay

tUVP

FB forced 25mV below trip threshold

10

μs

CLKEN Startup Delay and

Boot Time Period

tBOOT

Measured from the time when FB reaches the

boot target voltage (Note 2)

20

60

100

μs

PWRGD Startup Delay

Measured at startup from the time when

CLKEN

goes low

3

6.5

10

ms

Lower threshold,

falling edge

(undervoltage)

-350

-300

-250

CLKEN and PWRGD

Threshold

Measured at FB with respect

to the voltage target set by

the VID code; see Table 4,

20mV hysteresis (typ)

Upper threshold,

rising edge

(overvoltage)

+150

+200

+250

mV

CLKEN and PWRGD Delay

FB forced 25mV outside the PWRGD trip

thresholds

10

μs

PHASEGD Delay

V(CCI,FB) forced 25mV outside trip thresholds

10

μs

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