LX1974IBC MICROSEMI, LX1974IBC Datasheet - Page 7

• Manufacturer Part Number: LX1974IBC
• Manufacturer: MICROSEMI

Specifications of LX1974IBC

• Lead Free Status / RoHS Status: Compliant

Copyright © 2005
Rev. 1.0, 2006-05-09
3.3V
TM
LX1974
VDD
SHDN
GND
3.3V
VIN
100K
VSS
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
PWM Dimming Input
178K
MMBT2907
Figure 7 – Typical Application with Microsemi’s LX1995 LED Driver IC
Figure 8 – Typical Application with Microsemi’s LX1994 LED driver IC
LX1974
VSS
V
100K
IN
R1
= 2.0V to 5.5V
22µF
4.7µF
C1
VDD
R7
24.9K
15K
A P P L I C A T I O N C I R C U I T S
Integrated Products Division
4.99K
®
Microsemi
1µF
R8
60.4K
LX1995
IN
SHDN
0.1µF
L1 10µH
MMBT2907
C4
GND
LX1994
VIN
S/P
BRT
LS
GND
SW
FB
22µH
Ambient Light Detector
10µF
P
CMP
10K
DRV
SRC
OVP
C3
R10
49.9K
RODUCTION
R4
FB
UPS5817
0.1µF
FDN337
D1
1µF
5.76K
C2
UPS5819
R5
D
ATA
1M
R6
15
41.2K
S
HEET
1µF
LX1974
15
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