參數(shù)資料
型號: LX1995
廠商: Microsemi Corporation
元件分類: LED驅(qū)動器
英文描述: MINIATURE LED DRIVER LX1995 EVUALATION KIT
中文描述: 微型LED驅(qū)動LX1995 EVUALATION盒
文件頁數(shù): 5/8頁
文件大?。?/td> 190K
代理商: LX1995
LX1995
E
VALUATION
G
UIDE
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
Copyright
2004
Rev. 1.0, 2004-08-13
LX1995
E
VALUATION
H
OOK
U
P
The following is a demonstration scenario that
can be used to evaluate the LX1995:
Directions for hook up (DC dimming mode):
1. Install jumper JU1.
2. Connect a 3.6V typical 1A power source
between VIN and GND terminals.
3. Apply a 1.5V DC signal to the DC_ADJ
terminal. Signal GND can be referenced to GND2
for convenience.
4. Vary the DC signal from 0V to 3V and observe
the LEDs dimming. (Measure LED current from
LED4 cathode to GND2 if desired. I = V / 15.
VIN
G
R
D1
(800) 877-6458
LX1995 MINIATURE LED DRIVER
EVALUATION BOARD
D
GND
L1
U1
P
/SHDN
G
LED1
LED3
LED2
LED4
V
G
R
R
R
C
R
C
C
R
J
+
-
3.6V
+
-
0V to 3V
DC DIMMER
POWER
( DIMMING OPTION 1)
PWM
>5KHz
3.3V
0V
( DIMMING OPTION 2)
PWM
<1KHz
( DIMMING OPTION 3)
3.3V
0V
Figure 2 –
Typical Hook Up for the LX1995 Eval Board
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