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MAX8732A

High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

Maxim Integrated 

High-Efficiency, Quad-Output, Main Power-

Supply Controllers for Notebook Computers

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12.0.V, ON3 = ON5 = VCC, V SHDN = 5V,

TA = -40°C to +85°C, unless otherwise noted.) (Note 1)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

ON3, ON5 Input Voltage

Clear fault level/SMPS off level

Delay start level

SMPS on level

0.8

1.7

2.3

V

2.4

Input Leakage Current

SHDN Input Trip Level

DH_ Gate-Driver On-Resistance

DL_ Gate-Driver On-Resistance

V PRO or VTON = 0 or 5V

VON_ = 0 or 5V

V SKIP = 0 or 5V

V SHDN = 0 or 24V

VCS_ = 0 or 5V

VILIM3, VILIM5 = 0 or 2V

Rising edge

Falling edge

BST - LX_ forced to 5V

DL_, high state (pullup)

DL_, low state (pulldown)

-1

+1

-1

+1

-2

+2

µA

-1

+1

-2

+2

-0.2

+0.2

1.2

2.0

V

0.96

1.04

4.0

Ω

5.0

Ω

1.5

OUT3, OUT5 Discharge-Mode

On-Resistance

40

Ω

OUT3, OUT5 Discharge-Mode

Synchronous Rectifier

Turn-On Level

0.2

0.4

V

Note 1: Specifications to -40°C are guaranteed by design, not production tested.

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