TPS54202 Datasheet, PDF (3/26 Pages) Texas Instruments – 4.5-V to 28-V Input, 2-A Output, EMI Friendly Synchronous Step Down Converter

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5 Pin Configuration and Functions
DDC Package
6-Pin SOT23
Top View
GND
1
6
SW
2
5
VIN
3
4
BOOT
EN
FB
TPS54202
SLVSD26 – APRIL 2016
PIN
NO.
NAME
1
GND
2
SW
3
VIN
4
FB
5
EN
6
BOOT
TYPE ⁽¹⁾
–
O
–
I
I
O
(1) O = Output; I = Input
Pin Functions
DESCRIPTION
Ground pin Source terminal of low-side power NFET as well as the ground terminal for controller
circuit. Connect sensitive VFB to this GND at a single point.
Switch node connection between high-side NFET and low-side NFET.
Input voltage supply pin. The drain terminal of high-side power NFET.
Converter feedback input. Connect to output voltage with feedback resistor divider.
This pin is the enable pin. Float the EN pin to enable.
Supply input for the high-side NFET gate drive circuit. Connect a 0.1-μF capacitor between BOOT and
SW pins.
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