AME, Inc.
Micropower Step-Up DC/DC Converter
AME5130
nPin Configuration
SOT-25
Top View
5
4
AME5130
1. SW
2. GND
3. FB
AME5130
4. RUN
5. VIN
1
2
3
* Epoxy: Conductive
nPin Description
Pin #
Pin Name
Pin Description
Power Switch input.
1
SW
This is the drain of the internal NMOS power switch. Minimize the metal trace area
connected to this pin to minimize EMI.
Ground.
Tie directly to ground plane.
2
3
GND
FB
Output voltage feedback input.
Set the output voltage by selecting values for R1 and R2 using:
V
æ
ö
out
R1 = R2ç
- 1÷
ç
÷
1.23V
è
ø
Connect the ground of the feedback network to an AGND(Analog Ground) plane which
should be tied directly to the GND pin.
Shutdown control input, active low.
4
5
RUN
VIN
The shutdown pin is an active low control. Tie this pin above 1V to enable the device.
Tie this pin below 0.4V to turn off the device.
Analog and Power input.
Input Supply Pin. Bypass this pin with a capacitor as close to the device as possible.
3
AME [ ANALOG MICROELECTRONICS ]
