RT7296A
Pin Configurations
(TOP VIEW)
8
7
2
6
3
5
4
TSOT-23-8 (FC)
Functional Pin Description
Pin No.
Pin Name
Pin Function
Transition Threshold. Connect a resistor divider to let the RT7296A into power
saving mode under light loads. Connect to PVCC to force RT7296A into forced
PWM mode.
1
TTH
Power Input. Support 4.5V to17V Input Voltage. Must bypass with a suitable
large ceramic capacitor at this pin.
2
VIN
3
4
SW
Switch Node. Connect to external L-C filter.
System Ground.
GND
Bootstrap Supply for High-Side Gate Driver. Connect a 0.1F ceramic
capacitor between the BOOT and SW pins.
5
BOOT
Enable Control Input. High = Enable. Apply an external clock to adjust the
switching frequency
6
7
EN/SYNC
PVCC
5V Bias Supply Output. Connect a 0.1F capacitor to ground.
Feedback Voltage Input. The pin is used to set the output voltage of the
converter to regulate to the desired voltage via a resistive divider. Feedback
reference = 0.8V.
8
FB
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS7296A-00 January 2015
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
