Datasheet

V
C
1
FB
2
SHDN
3
GND
4
NC
8
FSLCT
7
SW
5
V
IN
6
LM2622
SNVS068E –MAY 2000–REVISED MARCH 2013 www.ti.com
Connection Diagram
Figure 2. Top View
8-Lead Plastic VSSOP
See DGK Package
Pin Description
Pin Name Function
1 V
C
Compensation network connection. Connected to the output of the voltage error amplifier.
2 FB Output voltage feedback input.
3 SHDN Shutdown control input, active low.
4 GND Analog and power ground.
5 SW Power switch input. Switch connected between SW pin and GND pin.
6 V
IN
Analog power input.
7 FSLCT Switching frequency select input. V
IN
= 1.3MHz. Ground = 600kHz.
8 NC Connect to ground or leave open. Connect to GND pin directly beneath the device if possible. If
other traces are in the way or it is otherwise not possible to directly connect it to GND leave this pin
open and shield it from sources of EMI.
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