FDC6329L datasheet(2/4 Pages) ONSEMI

2 / 4 page

Electrical Characteristics (T

A = 25°C unless otherwise noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

OFF CHARACTERISTICS

Forward Leakage Current

IN = 8 V, VON/OFF = 0 V

µA

ON CHARACTERISTICS (Note 3)

DROP

Conduction Voltage

IN = 5 V, VON/OFF = 3.3 V, IL = 2.8 A

0.12

0.2

IN = 2.5 V, VON/OFF = 3.3 V, IL = 1.9 A

0.14

0.2

(ON)

2 - Static On-Resistance

GS = -5 V, ID = -2.5 A

0.047

0.07

Ω

GS = -2.5 V, ID = -2.0 A

0.073

0.105

Load Current

DROP = 0.2 V, VIN = 5 V, VON/OFF = 3.3 V

2.8

DROP = 0.2 V, VIN = 2.5V, VON/OFF = 3.3 V

1.9

Notes:

1. Range of V

in can be up to 8V, but R1 and R2 must be scaled such that VGS of Q2 does not exceed -8V.

RθJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of the drain pins. RθJC is guaranteed by

design while RθCA is determined by the user's board design.

3. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0%.

FDC6329L Load Switch Application

External Component Recommendation:

For applications where Co

≤ 1µF.

For slew rate control, select R2 in the range of 1k - 4.7k

Ω .

For additional in-rush current control, C1

≤ 1000pF can be added.

Select R1 so that the R1/R2 ratio ranges from 10 - 100. R1 is required to turn Q2 off.

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