Dual High-Efficiency PWM Step-Down DC-DC Coverter
PAM2308
Pin Configuration and Marking Information
TOP VIEW
WDFN-10L 3x3
EN1
FB1
VIN2
GND
LX2
1
2
3
4
5
10
9
L X1
GND
VIN1
FB2
EN2
2308v
1
v
2
XXXYW
8
7
6
v
1
: Output Voltage 1
v
2
: Output Voltage 2
(refer to “Ordering
Information”)
X: Internal Code
Y: Year
W: Week
GND
(Exposed Pad)
Pin No.
1
2
3
4
,
9
5
6
7
8
10
Pin Name
EN1
FB1
VIN2
GND
LX2
EN2
FB2
VIN1
LX1
Pin Function
Chip Enable of Channel 1
(
Active High
).V
EN1
≤V
IN1.
Feedback of Channel 1.
Power Input of Channel 2.
Ground.The exposed pad must be soldered to a large PCB and connected to
GND for maximum power dissipation.
Pin for Switching of Channel 2.
Chip Enable of Channel 2
(Active
High). V
EN2
≤V
IN2.
Feedback of Channel 2.
Power I t of Channel 1.
npu
Pin for Switching of Channel 1.
Power Analog Microelectronics
,
Inc
www.poweranalog.com
3
07/2008 Rev 1.0
PAM [ POWER ANALOG MICOELECTRONICS ]
