MAX17410GTM 데이터 시트보기 (PDF) - Maxim Integrated

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MAX17410GTM

Dual-Phase, Quick-PWM Controller for IMVP6+ CPU Core Power Supplies

Maxim Integrated 

Dual-Phase, Quick-PWM Controller

for IMVP6+ CPU Core Power Supplies

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, VIN = 10V, VCC = VDD = VSHDN = VPGDIN = VPSI = VILIM = 5V, VV3P3 = 3.3V, VDPRSLPVR = VDPRSTP = VGNDS =

VPGND_ = 0, CSPAVG = CSP_ = CSN_ = OUTS = 1.0000V, RFB = 3.57kΩ from FB to VPS, [D6–D0] = [0101000]; TA = 0°C to +85°C,

unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

VRHOT Trip Threshold

Measured at NTC with respect to THRM,

VTHRM = 1V, falling edge; typical

hysteresis = 100mV

VRHOT Delay

tVRHOT

VNTC forced 25mV below VTHRM, VTHRM =

1V, falling edge

VRHOT Output On-Resistance RON(VRHOT) Low state

VRHOT Leakage Current

High-impedance state, VRHOT forced to 5V,

TA = +25°C

Thermal-Shutdown Threshold

TSHDN Typical hysteresis = 15°C

VALLEY CURRENT LIMIT, DROOP, CURRENT BALANCE, AND CURRENT MONITOR

Current-Limit Threshold Voltage

(Positive)

VLIMIT VCSP_ - VCSN_

VTIME - VILIM = 100mV

VTIME - VILIM = 500mV

ILIM = VCC

Current-Limit Threshold Voltage

(Negative) Accuracy

VLIMIT(NEG) VCSP_ - VCSN_, nominally -125% of VLIMIT

MIN TYP MAX UNITS

-12

+12

mV

10

μs

2

8



1

μA

+160

°C

7

10

13

45

50

55

mV

20 22.5 25

-4

+4

mV

Current-Limit Threshold Voltage

(Zero Crossing)

VZERO VAGND - VLX_, DPRSLPVR = 5V

1

mV

CSPAVG, CSP_, CSN_

Common-Mode Input Range

0

2

V

Phase 2 Disable Threshold

Measured at CSP2

3

VCC - VCC -

1

0.4

V

CSPAVG, CSP_, CSN_

Input Current

ICSPAVG,

ICSP_, ICSN_

TA = +25°C

-0.2

+0.2

μA

ILIM Input Current

Droop Amplifier Offset

IILIM

TA = +25°C

[VCSPAVG - (VCSN1 +

VCSN2)/2] at IFB = 0

TA = +25°C

TA = 0°C to +85°C

-0.1

-0.5

-0.75

+0.1

μA

+0.5

mV

+0.75

Droop Amplifier

Transconductance

Gm(FB)

IFB/
[VCSPAVG - (VCSN1 + VCSN2)/2], VFB =

VCSN_ = 0.45V to 1.5V

1.180

1.2

1.216

mS

[VCSPAVG - (VCSN1 +

Power Monitor Output Voltage for

V(OUTS, GNDS) =

VCSN2)/2] = 15mV,

V(TIME, ILIM) = 225mV

1.65

1.7 1.743

Typical HFM Conditions

VPMON

1.200V, IPMON =

0μA

[VCSPAVG - (VCSN1 +

V

VCSN2)/2] = 15mV,

0.738 0.765 0.792

V(TIME, ILIM) = 500mV

Power Monitor Gain Referred to

Output Voltage V(OUTS, GNDS)

APMON/ [VCSPAVG - (VCSN1 + VCSN2)/2] = 15mV,

VOUT V(TIME, ILIM) = 225mV, IPMON = 0μA

1.375 1.4167 1.452 V/V

Power Monitor Gain Referred to

[VCSPAVG - (VCSN1 + VCSN2)/2]

APMON/VCS

V(CSN, GNDS) = 1.200V, V(TIME, ILIM) =

225mV, IPMON = 0μA

104 113.33 123

V/V

_______________________________________________________________________________________ 5

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