Курс ЦБ на 17.06.2025
$78,51
€90,94
Texas Instruments UC2845D
артикул UC2845D
Texas Instruments
производитель
Current Mode PWM Controller 200mA 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
Automotive
No
PPAP
No
Type
Current Mode PWM Controller
Control Method
Current
Topology
Boost; Forward; Flyback; Buck
Number of PWM Outputs
1
Oscillator Accuracy (kHz)
52
Switching Frequency (kHz)
500
Maximum Duty Cycle (%)
50
Output Current (mA)
200(Max)
Rise Time (ns)
50
Fall Time (ns)
50
Process Technology
Bipolar
Operating Supply Voltage (V)
12 to 28
Minimum Operating Supply Voltage (V)
12
Maximum Operating Supply Voltage (V)
28
Maximum Supply Current (mA)
25
Adjustable Output
Yes
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)
-40
Maximum Operating Temperature (В°C)
85
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
This UC2845D current controller by Texas Instruments is perfect for current which needs to be supplied to an external system. This current mode controller supports boost|flyback|forward topology. Its single PWM output produces a current of 1000(Max) mA. This part offers a switching frequency of 500 kHz in order to work properly. 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 50 %. This current mode controller has a minimum operating temperature of -40 В°C and a maximum of 85 В°C.
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