LM2796TLEV National Semiconductor, LM2796TLEV Datasheet

BOARD EVALUATION LM2796TL

LM2796TLEV

Manufacturer Part Number
LM2796TLEV
Description
BOARD EVALUATION LM2796TL
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheets

Specifications of LM2796TLEV

Current - Output / Channel
20mA
Outputs And Type
7, Non-Isolated
Voltage - Output
4 V
Features
Charge Pump
Voltage - Input
2.7 ~ 5.5V
Utilized Ic / Part
LM2796
Lead Free Status / RoHS Status
Not applicable / Not applicable
© 2004 National Semiconductor Corporation
LM2796 Evaluation Board
Schematic
Component
Cin, Cout
Symbol
LM2796
C1, C2
Rset’
Rset
Dxx
White LEDs
2.2µF, 6.3V
1µF, 10V
(optional)
Value
8.3kΩ
--
[U.S. (Metric)]
0603 (1608)
0603 (1608)
0603 (1608)
micro SMD
Package
TLA-18
--
--
AN200995
2.1 x 2.4 x 0.6
1.6 x 0.8 x 0.8
1.6 x 0.8 x 0.8
1.5 x 2.3 x 1.4
1.6 x 0.8 x 0.8
Dimensions
(mm)
--
National Semiconductor
Application Note 1321
May 2004
Bill of Materials
Characteristic Manufactrurer
Temperature
X5R
X5R
--
--
--
--
Vishay-Dale
National
OSRAM
TDK
TDK
--
LWM67C-T1U1-3C5D
C1608X5R1A105K
C1608X5R0J225K
CRCW06048251F
LM2796TLX
20099501
Part #
www.national.com
--

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LM2796TLEV Summary of contents

Page 1

... C1, C2 1µF, 10V 0603 (1608) Dxx White LEDs Rset 8.3kΩ 0603 (1608) Rset’ (optional) © 2004 National Semiconductor Corporation National Semiconductor Application Note 1321 May 2004 Bill of Materials Dimensions Temperature (mm) Characteristic Manufactrurer 2.1 x 2.4 x 0.6 -- 1.6 x 0.8 x 0.8 X5R 1 ...

Page 2

LM2796 Evaluation Board Layout www.national.com FIGURE 1. Top Layer FIGURE 2. Bottom Layer (top view, unmirrored) 2 20099502 20099503 ...

Page 3

Board Operation BASIC CONNECTIONS To operate the LM2796 evaluation board, connect a supply voltage (2.7V-5.5V) between board connectors VIN and GND. Default Jumper Connections: • EN: Connects the “+” post to the middle post of the EN header strip. This ...

Page 4

Board Operation (Continued) FIGURE 3. Measuring current of all LEDs by removing LEDs_ON jumper and placing a current meter between the two FIGURE 4. Measuring current of all individual D www.national.com LEDS_ON header posts outputs by removing the LEDS_ON jumper ...

Page 5

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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