Курс ЦБ на 17.06.2025
$78,51
€90,94
Texas Instruments UC3843AD
артикул UC3843AD
Texas Instruments
производитель
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 14-Pin SOIC Tube
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Технические параметры
EU RoHS
Compliant
ECCN (US)
EAR99
Part Status
Active
HTS
8542.39.00.01
SVHC
Yes
Automotive
No
PPAP
No
Type
Current Mode PWM Controller
Control Method
Current
Topology
Forward; Boost; Buck; Flyback
Number of PWM Outputs
1
Oscillator Accuracy (kHz)
52
Switching Frequency (kHz)
500
Maximum Duty Cycle (%)
100
Output Current (mA)
1000(Max)
Rise Time (ns)
50
Fall Time (ns)
50
Output Voltage (V)
-0.1 to 11
Operating Supply Voltage (V)
11(Typ)
Typical Operating Supply Voltage (V)
11
Maximum Operating Supply Voltage (V)
30
Maximum Supply Current (mA)
25
Maximum Power Dissipation (mW)
1000
Adjustable Output
No
On/Off Pin
No
Synchronous Pin
No
UVLO Turn-Off Threshold (V)
7.6
UVLO Turn-On Threshold (V)
8.4
Minimum Operating Temperature (В°C)
0
Maximum Operating Temperature (В°C)
70
Packaging
Tube
Pin Count
14
Standard Package Name
SOP
Supplier Package
SOIC
Mounting
Surface Mount
Package Height
1.5(Max)
Package Length
8.75(Max)
Package Width
4(Max)
PCB changed
14
Lead Shape
Gull-wing
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Описание
Safely supply current to an external system with this UC3843AD current controller from Texas Instruments. Its single PWM output produces a current of 1000(Max) mA. This current mode controller supports boost|buck|flyback|forward topology. It has a switching frequency of 500 kHz. In order to ensure parts aren&s;t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This device has a maximum of 30 V. This current mode controller&s;s maximum duty cycle is 100 %. This current mode controller has a minimum operating temperature of 0 В°C and a maximum of 70 В°C.
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