FDC6330 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FDC6330

Integrated Load Switch

Fairchild Semiconductor 

Electrical Characteristics TA=25oC unless otherwise noted

Symbol

Parameter

Test Conditions

Min Typ Max Units

OFF Characteristics

IFL

Leakage Current

VIN = 20 V, VON/OFF = 250 µA

1

µA

ON Characteristics (Note 3)

VDROP

Conduction Voltage

VIN = 12 V, VON/OFF = 3.3 V, IL = 2.5 A

0.2

V

VIN = 5 V, VON/OFF = 3.3 V, IL = 1.6 A

0.2

V

R(ON)

Q2 - Static On-Resistance VGS = -12 V, ID = -2.3 A

0.054 0.08

Ω

VGS = -5 V, ID = -1.9 A

0.081 0.125

IL

Load Current

VDROP = 0.2 V, VIN = 12 V, VON/OFF = 3.3 V

2.5

A

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

1.6

Notes:

1. Range of Vin can be up to 30V, but R1 and R2 must be scaled such that VGS of Q2 does not exceed 20V.

2. 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 RθJA is determined by the user’s board design.

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

FDC6330L Load Switch Application

External Component Recommendation:

For applications where Co ≤ 1µF.

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

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.

FDC6330L Rev. C

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