MAX17017 datasheet(5/31 Pages) MAXIM

Part #	MAX17017

Description	Quad-Output Controller for Low-Power Architecture

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Manufacturer	MAXIM [Maxim Integrated Products]

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Quad-Output Controller for

Low-Power Architecture

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1 (step-down), VINLDO = 12V, VINA = VINBC = VDD = VCC = VBYP = VCSPA = VCSNA = 5V, VIND = 1.8V, VSHDN =

VONA = VONB = VONC = VOND = 5V, IREF = ILDO5 = IOUTD = no load, FREQ = GND, UP/DN = VCC, TA = 0°C to +85°C, unless other-

wise noted. Typical values are at TA = +25°C.) (Note 1)

TA = 0°C to +85°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

REGULATOR B (Internal 3A Step-Down Converter)

FBB Regulation Voltage

ILXB = 0% duty cycle (Note 2)

0.747

0.755

0.762

V

FBB Regulation Voltage (Overload)

VFBB

ILXB = 0 to 2.5A, 0% duty cycle (Note 2)

0.720

0.762

V

FBB Load Regulation

ΔVFBB/ΔILXB ILXB = 0 to 2.5A

-5

mV/A

FBB Line Regulation

0 to 100% duty cycle

7

8

10

mV

FBB Input Current

IFBB

TA = +25°C

-100

-5

+100

nA

High-side n-channel

75

150

Internal MOSFET On-Resistance

Low-side n-channel

40

80

m

Ω

LXB Peak Current Limit

IPKB

3.0

3.45

4.0

A

LXB Idle-Mode Trip Level

IIDLEB

0.8

A

LXB Zero-Crossing Trip Level

IZXB

100

mA

LXB Leakage Current

ILXB

ONB = GND, VLXB = GND or 5V;

VINBC = 5V at TA = +25°C

-20

+20

μA

REGULATOR C (Internal 5A Step-Down Converter)

FBC Regulation Voltage

ILXC = 0A, 0% duty cycle (Note 2)

0.747

0.755

0.762

V

FBC Regulation Voltage (Overload)

VFBC

ILXC = 0 to 4A, 0% duty cycle (Note 2)

0.710

0.762

V

FBC Load Regulation

ΔVFBC/ΔILXC ILXC = 0 to 4A

-7

mV/A

FBC Line Regulation

0 to 100% duty cycle

12

14

16

mV

FBC Input Current

IFBC

TA = +25°C

-100

-5

+100

nA

High-side n-channel

50

100

Internal MOSFET On-Resistance

Low-side n-channel

25

40

m

Ω

LXC Peak Current Limit

IPKC

5.0

5.75

6.5

A

LXC Idle-Mode Trip Level

IIDLEC

1.2

A

LXC Zero-Crossing Trip Level

IZXC

100

mA

LXC Leakage Current

ILXC

ONC = GND, VLXC = GND or 5V;

VINBC = 5V at TA = +25°C

-20

+20

μA

REGULATOR D (Source/Sink Linear Regulator and VTTR Buffer)

IND Input Voltage Range

VIND

1

2.8

V

IND Supply Current

OND = VCC

10

50

μA

IND Shutdown Current

OND = GND, TA = +25°C

10

μA

REFIND Input Range

0.5

1.5

V

REFIND Input Bias Current

VREFIND = 0 to 1.5V, TA = +25°C

-100

+100

nA

OUTD Output Voltage Range

VOUTD

0.5

1.5

V

VFBD with respect to VREFIND, OUTD =

FBD, IOUTD = +50μA (source load)

-10

0

FBD Output Accuracy

VFBD

VFBD with respect to VREFIND,

OUTD = FBD, IOUTD = -50μA (sink load)

0

+10

mV

FBD Load Regulation

IOUTD = ±1A

-17

-13

mV/A

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