STMicroelectronics UC2844BD1 1 PWM Controller, 500 kHz 30V 8-Pin, SO-8

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Subtotal (1 tube of 100 units)*

R 1 457,30

(exc. VAT)

R 1 675,90

(inc. VAT)

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  • 3,400 unit(s) ready to ship from another location
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Units
Per unit
Per Tube*
100 - 400R 14.573R 1,457.30
500 - 900R 14.209R 1,420.90
1000 +R 13.783R 1,378.30

*price indicative

RS stock no.:
151-963
Mfr. Part No.:
UC2844BD1
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

PWM Controller

Maximum Switching Frequency

500kHz

Start-up Supply Current

0.5mA

Supply Current

17mA

Output Current

1A

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

Series

UC284

Length

5mm

Height

1.75mm

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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