AME, Inc.
1.6 MHz Boost Converter With
30V Internal FET Switch
AME5140
n Pin Description
AME5140AEVADFN-8(3mmx3mmx0.75mm)
Pin Number
Pin Name
Pin Description
1
NC
Not Connected
Output voltage feedback input.
Set the output voltage by selecting values for R1 and R2 using:
2
FB
V
æ
ö
out
R1 = R 2ç
- 1÷
ç
÷
1.23V
è
ø
Connect the ground of the feedback network to a GND plane.
Not Connected
3
4
NC
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.
SW
5
6
NC
IN
Not Connected
Analog and Power input. Input Supply Pin.
Place bypass capacitor as close to VIN as possible.
Enable, active high.
7
8
EN
NC
The enable pin is an active high control. Tie this pin above 2V to enable the
device. Tie this pin below 0.4V to turn off the device.
Not Connected
Rev.G.01
5
AME [ ANALOG MICROELECTRONICS ]
