PAM2319

Dual High-Efficiency PWM Step-Down DC-DC Coverter

3

,

Power Analog Microelectronics Inc

www.poweranalog.com

Pin Configuration and Marking Information

BN: Product Code of PAM2319

v :

v :

Output Voltage 2

(refer to “Ordering

Information”)

X:

Internal Code

Y:

Year

W: Week

1

2

Output Voltage 1

12/2011 Rev1.1

QFN3x3

Name

Function

1

FB2

Chann el 2

feedback pin internally set to 0.6V.

2

VIN2

3

AGND2

4

VIN1

5

PGND1

6

SW1

Chann el 1

switching pin. The drains of the internal main and s ynchronous power

MOSFET.

7

FB1

Chann el 1

feedback pin internally set to 0.6V.

8

AGND1

9

EN1

Enable control input. Pull logic high to enable Vo1. Pull logic low to disable.

10

EN2

Enable control input. Pull logic high to enable Vo2. Pull logic low to disable.

11

PGND2

12

SW2

Chann el 2

switching pin. The drains of the internal main and s ynchronous power

MOSFET.

Exposed

PAD

Connect to GND

Pin Description

TOP VIEW

WDFN-12L 3x3

SW

1

FB

2

E 2

N

PGND1

11

10

9

1

2

3

4

5

12

6

7

8

GN D

(Exposed Pad)

VIN1

VIN2

SW

2

E 1

N

FB

1