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LM2795TLX Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM2795TLX
Description  Current Regulated Switched Capacitor LED Supply with Analog and PWM Brightness Control
Download  16 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2795TLX Fiches technique(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagram
20028523
Bottom View
Ordering Information
Standard Micro SMD Package:
Order Number
Shutdown Polarity
Package Number
Package
Marking
Supplied As
LM2794BL
Active Low
BLP14EHB
I LOG
250 Units, Tape and Reel
LM2794BLX
Active Low
BLP14EHB
I LOG
3000 Units, Tape and Reel
LM2795BL
Active High
BLP14EHB
I LOJ
250 Units, Tape and Reel
LM2795BLX
Active High
BLP14EHB
I LOJ
3000 Units, Tape and Reel
Thin Micro SMD Package:
Order Number
Shutdown Polarity
Package Number
Package
Marking
Supplied As
LM2794TL
Active Low
TLP14EHA
I LOG
250 Units, Tape and Reel
LM2794TLX
Active Low
TLP14EHA
I LOG
3000 Units, Tape and Reel
LM2795TL
Active High
TLP14EHA
I LOJ
250 Units, Tape and Reel
LM2795TLX
Active High
TLP14EHA
I LOJ
3000 Units, Tape and Reel
Pin Description
Pin(*)
Name
Function
A1
C1+
Positive terminal of C1
B2
C1−
Negative terminal of C1
C1
V
IN
Power supply voltage input
D2
GND
Power supply ground input
E1
C2−
Negative terminal of C2
E3,E5,E7,D6
D1−4
Current source outputs. Connect directly to LED
C7
I
SET
Current Sense Input. Connect 1% resistor to ground to set constant current through LED
B6
BRGT
Variable voltage input controls output current
A7
SD
The LM2794 has an active-low shutdown pin (LOW = shutdown, HIGH = operating). The
LM2795 has an active-high shutdown pin (HIGH = shutdown, LOW = operating) that has a
pull-up to V
IN.
A5
C2+
Positive terminal of C2
A3
P
OUT
Charge pump output
(*) Note that the pin numbering scheme for the Micro SMD package was revised in April, 2002 to conform to JEDEC standard. Only the pin numbers were revised.
No changes to the physical location of the inputs/outputs were made. For reference purpose, the obsolete numbering had C1+ as pin 1, C1- as pin 2, VIN as pin
3, GND as pin 4, C2- as pin 5, D1-D4 as pin 6,7,8 & 9, Iset as pin 10, BRGT as pin 11, SD as pin 12, C2+ as pin 13, Pout as pin 14
www.national.com
2


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