LND494 查看數據表（PDF） - Linear Dimensions Semiconductor
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LND494 Datasheet PDF : 6 Pages
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LND494
Dead-Time Control Section (See figure 1)
Parameter
Test conditions
Value
MIN TYP* MAX
Unit
Input Bias current (pin4) VI=0 to 5.25V
-2
-10
µA
Maximum Duty
Cycle,Each output
VI(pin 4)=0,CT =0.1µF,
RT =12KΩ
45
%
Input Threshold Voltage Zero duty cycle
(pin4)
Maximum Duty Cycle
3
3.3
0
V
PWM comparator section (see figure 1)
Parameter
Test Conditions
Value
MIN TYP* MAX
Unit
Input threshold voltage Zero duty cycle
4
4.5
V
(pin 3)
Input sink current (pin 3) V(pin3)= 0.7V
0.3
0.7
mA
Total Device
Parameter
Standby supply
current
Average supply
current
Test Conditions
Pin 6 at Vref, all other
Vcc=15V
inputs and outputs open Vcc=40V
VI ( pin 4) =2V, See figure 1
Value
MIN TYP MAX
6
10
9
15
7.5
Unit
mA
Switching characteristics, Ta=25ºC
PARAMETER
TEST CONDITIONS
MIN
Output voltage rise time Common-emitter configuration
Output voltage fall time See figure 3
Output voltage rise time Emitter-follower configuration
Output voltage fall time See Figure 4
*All typical values except for temperature coefficient at TA= 25ºC
VALUE
TYP*
100
25
100
40
MAX
200
100
200
100
UNIT
nS
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
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