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參數(shù)資料
| 型號： | LX1745 |
| 廠商： | Microsemi Corporation |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | Triple Output Boost ? LED Driver / LCD Bias |
| 中文描述： | 三路輸出升壓？ LED驅(qū)動器/ LCD偏置 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 439K |
| 代理商： | LX1745 |
LX1745
P
RODUCTION
D
ATASHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
W
M
.
C
Triple Output Boost – LED Driver / LCD Bias
I N T E G R A T E D P R O D U C T S
Copyright
2000
Rev. 1.1a, 2004-02-06
ABSOLUTE MAXIMUM RATINGS
Supply Input Voltage...........................................................................-0.3V to 7V
Feedback Input Voltage (V
FBx
)...............................................-0.3V to V
IN
+ 0.3V
Shutdown Input Voltage (V
SHDN
x
)..........................................-0.3V to V
IN
+ 0.3V
PWM Input Amplitude (ADJx, BRT).....................................-0.3V to V
IN
+ 0.3V
Analog Adjust Input Voltage (V
ADJx
, V
BRT
)............................-0.3V to V
IN
+ 0.3V
SRC Input Current................................................................................500mA
RMS
Operating Temperature Range.........................................................-40
°
C to 85
°
C
Maximum Operating Junction Temperature................................................ 150
°
C
Storage Temperature Range...........................................................-65
°
C to 150
°
C
Lead Temperature (Soldering 10 seconds) .................................................. 300
°
C
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal
.
x
denotes
respective pin designator 1, 2, or 3
THERMAL DATA
PW
Plastic TSSOP 20-Pin
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
90
°
C/W
Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
The
θ
JA
numbers are guidelines for the thermal performance of the device/pc-board system. All of the
above assume no ambient airflow.
PACKAGE PIN OUT
GND
DRV
SRC
GND
FB1
REF
OVP
BRT
CS
LFB
ADJ2
FB2
GND
SW1
ADJ1
SHDN1
IN
1
2
3
4
8
9
10
7
14
13
17
16
15
20
19
18
5
6
12
11
SW2
LSHDN
SHDN2
PW
P
ACKAGE
(Top View)
P
A
C
K
A
G
E
D
A
T
A
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| LX1745-CPW | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Triple Output Boost ? LED Driver / LCD Bias |
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