1.2A, 1.6MHz, High Efficiency
SGM6019
Synchronous Step-Down Converter
PIN CONFIGURATION
(TOP VIEW)
1
2
3
4
8
7
6
5
VIN
EN
SW
PGND
FB
GND
PG
MODE
SGND
TDFN-2×3-8L
PIN DESCRIPTION
PIN
1
NAME
VIN
FUNCTION
Input Supply Voltage. Put a 10μF ceramic capacitor from this pin to power ground.
Enable Pin. When pulling this pin high, the device enables. When pulling low, the device stops and
the output capacitor discharged. Do not leave it floating.
2
EN
3
4
5
PG
Power-Good Signal.
Mode Selection Pin. For skip mode, connect it to logic high. Forced PWM mode, connect it to logic
low. Do not leave this pin floating.
MODE
SGND
Ground of Analog Signal. It must be connected to external GND
Output Feedback Pin. A voltage divider resistor is used between this pin and the output for adjustable
output voltage.
6
7
8
FB
PGND
SW
Power Ground. Connect all power grounds to this pin.
Switching Node Connection. Connected to one terminal of inductor.
Strongly recommend to connect it to PGND pin for better electrical and optimal thermal performance.
Exposed
Pad
GND
SG Micro Corp
SEPTEMBER 2013
www.sg-micro.com
3