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LM3555 bảng dữ liệu(PDF) 21 Page - Texas Instruments

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tên linh kiện LM3555
Giải thích chi tiết về linh kiện  LM3555 Synchronous Boost Converter with 500 mA High Side LED Driver and Dual-Mode Control Interface
PDF  33 Pages
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Trang chủ  http://www.ti.com
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LM3555 bảng dữ liệu(HTML) 21 Page - Texas Instruments

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IL1
IL0
SSU
TEN OEN SEN OM1 OM0
Control Register
Address: 0x04
Default:
1
0
1
1
0
1
0
0
Definition:
LM3555
www.ti.com
SNVS594E – JANUARY 2009 – REVISED NOVEMBER 2011
FC3
FC2
FC1
FC0
Flash Current Level
0
1
0
0
280 mA
0
1
0
1
300 mA
0
1
1
0
320 mA (2 LEDs)
0
1
1
1
340 mA
1
0
0
0
360 mA
1
0
0
1
380 mA
1
0
1
0
400 mA (2 LED Max)
1
0
1
1
420 mA
1
1
0
0
440 mA
1
1
0
1
460 mA
1
1
1
0
480 mA
1
1
1
1
500 mA (1LED)
ASSIST LIGHT CURRENT LEVELS
AC2
AC1
AC0
Assist Current Level
0
0
0
60 mA
0
0
1
60 mA (2 LEDs)
0
1
0
60 mA
0
1
1
80 mA (1 LED)
1
0
0
100 mA
1
0
1
120 mA
1
1
0
140 mA
1
1
1
160 mA
IL1-IL0: Peak Inductor Current Limit Bits
SSU: Strobe Signal Usage. ‘0’ = Edge Sensitive, ‘1’ = Level Sensitive. ‘1’ = Default
TEN: External Torch Mode Enable. ‘0’ = Not allowed, ‘1’ = Allowed. ‘1’ = Default
OEN: Output Enable. ‘0’ = Output Disabled, ‘1’ = Output Enabled. ‘0’ = Default
SEN: Strobe Signal Mode. ‘0’ = Disabled, ‘1’ = Enabled. ‘1’ = Default
OM1-OM0: Output Mode Select Bits.
PEAK INDUCTOR CURRENT LIMIT LEVELS
IL1
IL0
Peak Inductor Current Limit
0
0
1.25A
0
1
1.50A
1
0
1.75A
1
1
2.00A
OUTPUT MODES
OM1
OM0
Output Mode
0
0
External Torch
0
1
Indicator
1
0
Assist Light
1
1
Flash
Copyright © 2009–2011, Texas Instruments Incorporated
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Product Folder Links: LM3555



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