STMicroelectronics UC3843BD1 1 PWM Controller, 500 kHz 30 V 8-Pin, SO-8

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Subtotaal (1 tube van 100 eenheden)*

€ 25,90

(excl. BTW)

€ 31,30

(incl. BTW)

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  • Verzending vanaf 04 juni 2026
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Aantal stuks
Per stuk
Per tube*
100 - 400€ 0,259€ 25,90
500 - 900€ 0,248€ 24,80
1000 +€ 0,242€ 24,20

*prijsindicatie

RS-stocknr.:
151-972
Fabrikantnummer:
UC3843BD1
Fabrikant:
STMicroelectronics
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Merk

STMicroelectronics

Product Type

PWM Controller

Maximum Switching Frequency

500kHz

Start-up Supply Current

0.5mA

Supply Current

17mA

Output Voltage

5 V

Output Current

1A

Number of Outputs

1

Mount Type

Surface

Minimum Supply Voltage

8.5V

Package Type

SO-8

Maximum Supply Voltage

30V

Pin Count

8

Maximum Duty Cycle

100%

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

150°C

Length

5mm

Height

1.75mm

Width

6.2 mm

Standards/Approvals

RoHS

Series

UC284

Automotive Standard

No

Land van herkomst:
MA
The STMicroelectronics Controller, it belongs to family of control ICs provides the necessary features to implement off-line or DC to DC fixed 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 error amp 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.

High current totem pole output

Undervoltage lockout with hysteresis

Low start-up and operating current

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