Diodes AP3427M Manuel d'utilisateur télécharger pdf (Page 4)

Preliminary Datasheet

Dual 1A, 1.5MHZ Synchronous Step-down DC-DC Converter AP3427M

Mar. 2013 Rev. 1.0 BCD Semiconductor Manufacturing Limited

Absolute Maximum Ratings (Note 1)

Parameter Symbol Value Unit

Supply Input Voltage for the

MOSFET Switch

IN1

, V

IN2

0 to 6.5 V

LX Pin Switch Voltage V

LX1

, V

LX2

-0.3 to V

+0.3 V

Enable Input Voltage V

EN1

, V

EN2

-0.3 to V

+0.3 V

LX Pin Switch Current I

LX1

, I

LX2

1.8 A

Power Dissipation (on PCB,

=25°C)

2.44 W

Thermal Resistance (Junction to

Ambient, Simulation)

°C/W

Thermal Resistance (Junction to

Case, Simulation)

4.2

°C/W

Operating Junction Temperature T

155

°C

Operating Temperature T

-40 to 85

°C

Storage Temperature Range T

STG

-55 to 150

°C

ESD (Human Body Model) V

HBM

2000 V

ESD (Machine Model)

200 V

Note 1: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to

the device. These are stress ratings only, and functional operation of the device at these or any other conditions

beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute

Maximum Ratings” for extended periods may affect device reliability.

Recommended Operating Conditions

Parameter Symbol Min Max Unit

Supply Input Voltage V

2.5 5.5 V

Operating Junction Temperature T

-40 125

°C

Ambient Temperature T

-40 80

°C

1 2 3 4 5 6 7 8 9 10 11

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Diodes AP3427M Manuel d'utilisateur Page 4

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