FDQ7238AS

FDQ7238AS Datasheet


FDQ7238AS

Part Datasheet
FDQ7238AS FDQ7238AS FDQ7238AS (pdf)
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FDQ7238AS

May 2008

FDQ7238AS

Dual Notebook Power Supply N-Channel in SO-14 Package

The FDQ7238AS is designed to replace two single SO8 MOSFETs in DC to DC power supplies. The high-side switch Q1 is designed with specific emphasis on reducing switching losses while the low-side switch Q2 is optimized to reduce conduction losses using Fairchild’s SyncFET TM technology. The FDQ7238AS includes a patented combination of a MOSFET monolithically integrated with a Schottky diode.
• Q2 14 A, 30V. RDS on = VGS = 10V RDS on = VGS = 4.5V
• Q1 11 A, 30V. RDS on = VGS = 10V RDS on = 16 VGS = 4.5V

SO-14
pin 1

S2 G1G2

Absolute Maximum Ratings TA = 25°C unless otherwise noted

VDSS VGSS ID

TJ, TSTG

Parameter

Drain-Source Voltage Gate-Source Voltage Drain Current - Continuous
- Pulsed Power Dissipation for Single Operation

Note 1a

Note 1a & 1b Note 1c & 1d

Operating and Storage Junction Temperature Range

Thermal Characteristics

Thermal Resistance, Junction-to-Ambient Note 1a & 1b

Note 1c & 1d
Package Marking and Ordering Information

Device Marking FDQ7238AS

Device FDQ7238AS

Reel Size 13”
±20
±20
−55 to +150

Units
°C/W

Tape width 16mm

Quantity 2500 units
2008 Fairchild Semiconductor Corporation

FDQ7238AS

Electrical Characteristics

Parameter

TA = 25°C unless otherwise noted

Test Conditions

Off Characteristics

BVDSS

IDSS

Drain-Source Breakdown

VGS = 0 V,

ID = 1 mA

Voltage

VGS = 0 V,

ID = 250 µA

Breakdown Voltage Temperature Coefficient

ID = 10 mA, Referenced to 25°C ID = 250 µA, Referenced to 25°C

Zero Gate Voltage Drain Current VDS = 24 V, VGS = 0 V

IGSS

Gate-Body Leakage

On Characteristics Note 2

VGS th

Gate Threshold Voltage

RDS on

Gate Threshold Voltage Temperature Coefficient

Static Drain-Source On-Resistance

ID on

Drain Current

Forward Transconductance

Dynamic Characteristics
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Datasheet ID: FDQ7238AS 514272