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LM3501 Fiches technique(PDF) 2 Page - Texas Instruments

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No de pièce LM3501
Description  Synchronous Step-up DC/DC Converter for White LED Applications
PDF  26 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM3501 Fiches technique(HTML) 2 Page - Texas Instruments

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A1
B1
C1
C2
C3
B3
A3
A2
GND
FB
VSW
VIN
SHDN
L
22 PH
LM3501-16
VOUT
AGND
A1
CNTRL
C3
B1
C1
C2
B3
A2
A3
<0.3V
>1.1V
VIN
2.7V - 5.5V
Voltage
Control
R2
24:
COUT
1PF
Ceramic
CIN
1PF
Ceramic
LM3501
SNVS230B – MAY 2004 – REVISED MAY 2005
www.ti.com
Typical Application Circuit
Figure 1. Typical 3 LED Application
Connection Diagram
Figure 2. 8-bump micro SMD
Top View
Pin Description/Functions
Pin
Name
Function
A1
AGND
Analog ground.
B1
VIN
Analog and Power supply input.
C1
VOUT
PMOS source connection for synchronous rectification.
C2
VSW
Switch pin. Drain connections of both NMOS and PMOS power devices.
C3
GND
Power Ground.
B3
FB
Output voltage feedback connection.
A3
CNTRL
Analog LED current control.
A2
SHDN
Shutdown control pin.
2
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Copyright © 2004–2005, Texas Instruments Incorporated
Product Folder Links: LM3501



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