LM3402MRX National Semiconductor, LM3402MRX Datasheet - Page 18
LM3402MRX
Manufacturer Part Number
LM3402MRX
Description
LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs; Package: PSOP; No of Pins: 8; Qty per Container: 2500; Container: Reel
Manufacturer
National Semiconductor
Datasheet
1.LM3402MRX.pdf
(28 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM3402MRX/NOPB
Manufacturer:
NS/TI
Quantity:
3 000
www.national.com
VIN PIN PROTECTION
The VIN pin also has an ESD structure from the pin to GND
with a breakdown voltage of approximately 80V. Any transient
that exceeds this voltage may damage the device. Although
transient absorption is usually present at the front end of a
FIGURE 9. CS Pin with OVP, Transient Path with Protection
FIGURE 8. CS Pin with OVP, Transient Path
18
switching converter circuit, damage to the VIN pin can still
occur.
When V
charge C
circuit board trace inductance as shown in
cited trace inductance then resonates with the input capaci-
IN
IN
is hot swapped in, the current that rushes in to
up to the V
IN
value also charges (energizes) the
20192161
20192160
Figure
10. The ex-