AME

3

AME5251A

Rev.A.04

Dual 1A, 1.5MHz Synchronous

Step-Down Converter

AME5251A-AVCxxxxxx

1. IN2

2. SW2

3. GND

4. FB1

5. NC1

6. EN1

7. IN1

8. SW1

9. GND

10. FB2

11. NC2

12. EN2

* Die Attach:

Conductive Epoxy

DFN-12A

(3mmx3mmx0.75mm)

Top View

n

Pin Configuration

Note:

Connect exposed pad (heat sink on the back) to GND.

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Pin Description

Pin Name

Pin Description

NC

No connection. Not internally connected. Can left floating or connected to GND.

EN

Enable Control Input, active high.

IN

Input Supply Voltage Pin.

Bypass this pin with a capacitor as close to the device as possible.

SW

Switch Node Connection to Inductor.

GND

Ground. Tie directly to ground plane.

FB

Output voltage Feedback input.

AME5251A

1

2 3

4

5

6

12

11 10

9

8

7