STMicroelectronics UC2843BD1013TR 1 PWM Controller, 500 kHz 30 V 8-Pin, SO-8

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20 - 180$0.821$16.42
200 - 480$0.78$15.60
500 - 980$0.722$14.44
1000 - 1980$0.665$13.30
2000 +$0.64$12.80

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Packaging Options:
RS Stock No.:
151-962
Mfr. Part No.:
UC2843BD1013TR
Brand:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

PWM Controller

Maximum Switching Frequency

500kHz

Start-up Supply Current

0.5mA

Output Voltage

5 V

Supply Current

17mA

Output Current

1A

Number of Outputs

1

Mount Type

Surface

Package Type

SO-8

Minimum Supply Voltage

8.5V

Pin Count

8

Maximum Supply Voltage

30V

Minimum Operating Temperature

-40°C

Maximum Duty Cycle

100%

Maximum Operating Temperature

150°C

Height

1.75mm

Length

5mm

Standards/Approvals

RoHS

Series

UC284

Width

6.2 mm

Automotive Standard

No

COO (Country of Origin):
MA
The STMicroelectronics Controller, it belongs to family of control ICs provides the necessary features to implement off-line or DC to DCfixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the erroramp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high Peak current.

Internally trimmed reference with undervoltage lockout

High current totem pole output

Undervoltage lockout with hysteresis

Low start-up and operating current

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