STMicroelectronics UC3844BD1013TR 1 PWM Controller, 500 kHz 30 V 8-Pin, SO-8

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Subtotal (1 tape of 20 units)*

R 101,86

(exc. VAT)

R 117,14

(inc. VAT)

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Units
Per unit
Per Tape*
20 - 180R 5.093R 101.86
200 - 480R 4.966R 99.32
500 - 980R 4.817R 96.34
1000 - 1980R 4.624R 92.48
2000 +R 4.439R 88.78

*price indicative

Packaging Options:
RS stock no.:
151-978
Mfr. Part No.:
UC3844BD1013TR
Manufacturer:
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

Minimum Supply Voltage

8.5V

Package Type

SO-8

Pin Count

8

Maximum Supply Voltage

30V

Minimum Operating Temperature

-40°C

Maximum Duty Cycle

100%

Maximum Operating Temperature

150°C

Series

UC284

Height

1.75mm

Width

6.2 mm

Length

5mm

Standards/Approvals

RoHS

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 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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