AME, Inc.
AME5104
n
Pin Configuration
TO-263-5
Top View
AME5104ACDV
1. IN
2. SW
150KHz,3A PWM
DC/DC Buck Converter
A M E5104
3. GND(TAB)
4. FB
5. EN
1
2
3
4
5
n
Pin Description
AME5104AJDVxxx
Pin Number
1
Pin Name
IN
Pin Description
Analog and Power input. Input Supply Pin.
Place bypass capacitor as close to V
IN
as possible.
Power Switch input.
This is the drain of the internal NMOS power switch.
Minimize the metal trace area connected to this pin to minimize EMI.
2
SW
3
GND
Ground. Tie directly to ground plane.
Output voltage feedback input.
Set the output voltage by selecting values for R1 and R2 using:
3
FB
V
R
1
=
R
2
out
−
1
1 . 23
V
Connect the ground of the feedback network to a GND plane.
Enable, active low.
The enable pin is an active low control. Tie this pin above 2V to turn off the
device. Tie this pin below 0.6V to enable the device.
5
EN
Rev.C.02
3
AME [ ANALOG MICROELECTRONICS ]
