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參數資料
| 型號： | BD7851FP |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | LED驅動器 |
| 英文描述： | LED driver IC with built-in 16bit shift register |
| 中文描述： | 內置16位的移位寄存器，LED驅動器IC |
| 文件頁數： | 1/3頁 |
| 文件大小： | 569K |
| 代理商： | BD7851FP |
LED driver IC with built-in 16bit shift register
BD7851FP
Description
Dimension (Units : mm)
Applications
All sets having micro computers and LED displays
The BD7851FP is a constant-current output LED
driver that incorporates a shift register and latch
circuit, which drives 16 LED lamps. Output value
of the constant-current can be set from 1mA to
50mA (Max.) by a single external resistor.
In addition, this IC incorporates a thermal-shut-down
circuit which detects the IC temperature rising and
turns the constant-current output OFF.
01W079B
1) Drive capability: constant-current output 50mA (Max.)
2) Can set the constant-current output value by one external resistor.
3) 3 wire serial (Data, Clock, Latch) control from micro computer
4) With ENABLE pin
5) Power ON reset function
6) Built-in thermal-shut-down circuit
7) Low power consumption
8) Cascade connection
9) Allows multiple LED displays due to the dynamic operation.
10) Small power package HSOP25
HSOP25
April, 2001
Features
Absolute Maximum Ratings (Ta=25C)
Power supply voltage
Input voltage
Output voltage
Power dissipation
Storage temperature range
Operating temperature range
*
Derating :
–
11.6mW/
C for operation above Ta=25
C PCB (70mm
×
70mm
×
1.6mm glass epoxy board)
Parameter
Symbol
Vcc
V
I
Vo
PD
Tstg
Topr
Limits
0
~
~
Unit
V
10
0
*
~
7.0
Vcc+0.3
–
0.3
1450
~
~
V
V
W
C
C
+150
+85
–
55
–
20
2.75
±
0.1
1.95
±
0.1
1
±
0
0
0.8
5
±
0
7
±
0
1
25
0.3Min.
0.36
±
0.1
0.15
13
14
0
±
0
13.6
±
0.2
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