MAX1533AETJ datasheet(5/38 Pages) MAXIM

Part #	MAX1533AETJ

Description	High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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5 / 38 page

High-Efficiency, 5x Output, Main Power-Supply

Controllers for Notebook Computers

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1, VIN = 12V, both SMPS enabled, VCC = 5V, FSEL = REF, SKIP = GND, VILIM_ = VLDO5, VINA = 15V, VLDOA = 12V,

ILDO5 = ILDO3 = ILDOA = no load, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Undervoltage-Protection

Trip Threshold

With respect to error-comparator threshold

65

70

75

%

Output Undervoltage Fault-

Propagation Delay

tUVP

50mV overdrive

10

µs

Output Undervoltage-Protection

Blanking Time

tBLANK

From rising edge of ON_

6144 /

fOSC

s

PGOOD Lower Trip Threshold

With respect to error-comparator

threshold, hysteresis = 1%

-14

-10

-7.5

%

PGOOD Propagation Delay

tPGOOD_

Falling edge, 50mV overdrive

10

µs

PGOOD Output Low Voltage

ISINK = 4mA

0.4

V

PGOOD Leakage Current

IPGOOD_

High state, PGOOD forced to 5.5V

1

µA

PGDLY Pullup Current

PGDLY = GND

4

5

6

µA

PGDLY Pulldown Resistance

10

25

Ω

PGDLY Trip Threshold

REF-

0.2

REF

REF+

0.2

V

Thermal-Shutdown Threshold

TSHDN

Hysteresis = 15

°C

+160

°C

GATE DRIVERS

DH_ Gate-Driver On-Resistance

RDH

BST_ - LX_ forced to 5V

1.5

5

Ω

DL_, high state

1.7

5

DL_ Gate-Driver On-Resistance

RDL

DL_, low state

0.6

3

Ω

DH_ Gate-Driver Source/Sink

Current

IDH

DH_ forced to 2.5V,

BST_ - LX_ forced to 5V

2A

DL_ Gate-Driver Source Current

IDL

DL_ forced to 2.5V

1.7

A

DL_ Gate-Driver Sink Current

IDL (SINK)

DL_ forced to 2.5V

3.3

A

DL_ rising

35

Dead Time

tDEAD

DH_ rising

26

ns

LX_, BST_ Leakage Current

VBST_ = VLX_ = 26V

<2

20

µA

INPUTS AND OUTPUTS

High

2.4

Logic Input Voltage

SKIP, hysteresis = 600mV

Low

0.8

V

High

0.7 x

VCC

Fault Enable Logic Input Voltage

OVP, UVP, ONA

Low

0.4

V

Logic Input Current

OVP, UVP, SKIP, ONA

-1

+1

µA

Rising trip level

1.10

1.6

2.20

SHDN Input Trip Level

Falling trip level

0.96

1

1.04

V

Clear fault level/SMPS off level

0.8

Delay start level (REF)

1.9

2.1

ON_ Input Voltage

SMPS on level

2.4

V

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