參數(shù)資料
型號: LND494
廠商: Electronic Theatre Controls, Inc.
英文描述: Pulse-Width-Modulation Control Circuits
中文描述: 脈寬調(diào)制控制電路
文件頁數(shù): 6/6頁
文件大?。?/td> 149K
代理商: LND494
Dead-Time Control Section (See figure 1)
Value
TYP*
-2
Parameter
Test conditions
MIN
MAX
-10
Unit
Input Bias current (pin4)
Maximum Duty
Cycle,Each output
Input Threshold Voltage
(pin4)
V
I
=0 to 5.25V
V
I
(pin 4)=0,C
T =
0.1μF,
R
T =
12K
Zero duty cycle
Maximum Duty Cycle
μA
45
%
0
3
3.3
V
PWM comparator section (see figure 1)
Value
TYP*
4
Unit
Parameter
Test Conditions
MIN
MAX
4.5
Input threshold voltage
(pin 3)
Input sink current (pin 3)
Zero duty cycle
V
V(pin3)= 0.7V
0.3
0.7
mA
Total Device
Value
TYP
6
9
7.5
Parameter
Test Conditions
MIN
MAX
10
15
Unit
V
cc
=15V
V
cc
=40V
Standby supply
current
Average supply
current
Pin 6 at V
ref
, all other
inputs and outputs open
V
I ( pin 4
) =2V, See figure 1
mA
Switching characteristics, T
a
=25oC
VALUE
TYP*
100
25
100
40
PARAMETER
TEST CONDITIONS
MIN
MAX
200
100
200
100
UNIT
Output voltage rise time
Output voltage fall time
Output voltage rise time
Output voltage fall time
*All typical values except for temperature coefficient at T
A=
25oC
Common-emitter configuration
See figure 3
Emitter-follower configuration
See Figure 4
nS
LND494
Linear Dimensions, Inc.
445 East Ohio Street, Chicago IL 60611 USA
tel 312.321.1810
fax 312.321.1830
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