參數(shù)資料
型號(hào): A8431EEH-T
廠商: Allegro MicroSystems, Inc.
元件分類: LED驅(qū)動(dòng)器
英文描述: White LED Driver Constant Current Step-up Converter
中文描述: 白光LED驅(qū)動(dòng)恒流升壓轉(zhuǎn)換器
文件頁數(shù): 9/10頁
文件大小: 331K
代理商: A8431EEH-T
9
26185.301
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
A8431
White LED Driver Constant Current Step-up Converter
Package EH
Terminal List Table
Pin
1
2
3
4
5
6
Name
SW
GND
FB
EN
OVP
VIN
Function
Internal power FET
Ground
Feedback input
Enable input
Overvoltage protection
Input supply
0.30
0.20
.012
.008
0.65
0.45
.026
.018
0.50
BSC
.020
2.00
BSC
6
.079
3.00
BSC
.118
0.80
0.70
.031
.028
0.05
0.00
.002
.000
0.20
REF
.008
0.225
REF
.009
1.250
1.000
.049
.039
1.250
1.000
.049
.039
R0.100
REF
.004
3.40
BSC
.134
1.25
BSC
.049
1.25
BSC
.049
0.90
BSC
.035
0.50
BSC
.020
0.225
BSC
.009
0.30
BSC
.012
0.15
MIN
.006
1
Dimensions in millimeters
U.S. Customary dimensions (in.) in brackets, for reference only
A Pin index area
B Exposed thermal pad
A
2
6
1
1
6
B
C
D
D Typical pad layout; adjust as necessary to
meet application process requirements
C 0.3 thermal via (optional)
Preliminary Data Sheet
Subject to Change Without Notice
December 7, 2004
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