AME5258 Datasheet, PDF (3/17 Pages) AMETHERM Circuit Protection Thermistors – 1.5MHz, 600mA Synchronous Buck Converter

AME
AME5258
n Pin Configuration
SOT-25
Top View
5
4
AME5258
123
( Fixed Output )
AME5258-AEVxxx
1. EN
2. GND
3. SW
4. IN
5. OUT
* Die Attach:
Conductive Epoxy
1.5MHz, 600mA
Synchronous Buck Converter
SOT-25
Top View
5
4
AME5258
123
( Adjustable Output )
AME5258-BEVADJ
1. EN
2. GND
3. SW
4. IN
5. FB
* Die Attach:
Conductive Epoxy
n Pin Description
Pin Number
Pin Name
AME5258-AEVxxx AME5258-BEVADJ
Pin Description
Enable Control Input.
Forcing this pin above 1.5V enables the part. Forcing
1
1
EN
this pin below 0.3V shuts down the device. In shutdown,
all functions are disabled drawing <1µA supply current.
Do not leave EN floating.
2
2
GND
Ground Pin
Switch Node Connection to Inductor.
3
3
SW
This pin connects to the drains of the internal main and
synchronous power MOSFET switches.
Main Supply Pin.
4
4
IN
Must be closely decoupled to GND, Pin2, with a 4.7µF
or greater ceramic capactior.
Feedback Pin.
N/A
5
FB
Receives the feedback voltage from an external resistive
divider across the output.
5
N/A
OUT
Output Voltage for fixed version
Rev.A.05
3