XRP6124ES0.5-F datasheet(3/12 Pages) EXAR

Part #	XRP6124ES0.5-F

Description	Non-Synchronous PFET Step-Down Controller

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Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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3/12

Rev. 1.1.0

BLOCK DIAGRAM

Figure 2: XRP6124 Block Diagram

PIN ASSIGNMENT

1

2

3

5

4

XRP6124

EN

GN D

FB

VI N

GAT E

Figure 3: XRP6124 Pin Assignment

PIN DESCRIPTION

Name

Pin Number

Description

EN

1

Enable Pin. Actively pull high to enable the part.

GND

2

Ground

FB

3

Feedback pin

GATE

4

Gate Pin. Connect to gate of PFET. This pin pulls the gate of the PFET approximately

6V below Vin in order to turn on the FET. For 6V>VIN>3V the gate pulls to within 0.4V

of ground. Therefore a PFET with a gate rating of 2.6V or lower should be used.

VIN

5

Input Voltage

ORDERING INFORMATION

Part Number

Temperature

Range

Marking

Package

Packing

Quantity

Note 1

Note 2

XRP6124ES0.5-F

-40°C≤TJ≤125°C

5-pin SOT23

Bulk

Halogen Free

0.5µs/18V max

XRP6124ESTR0.5-F

-40°C≤TJ≤125°C

5-pin SOT23 2.5K/Tape & Reel Halogen Free

0.5µs/18V max

XRP6124HVES0.5-F

-40°C≤TJ≤125°C

5-pin SOT23

Bulk

Halogen Free

0.5µs/30V max

XRP6124HVESTR0.5-F

-40°C≤TJ≤125°C

5-pin SOT23 2.5K/Tape & Reel Halogen Free

0.5µs/30V max

XRP6124EVB

XRP6124 Evaluation Board

“YY” = Year – “WW” = Work Week – “X” = Lot Number

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XRP6124ES0.5-F Datasheet(PDF) 3 Page - Exar Corporation

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