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

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647,50 €

(TVA exclue)

782,50 €

(TVA incluse)

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Prix par unité
la bobine*
2500 +0,259 €647,50 €

*Prix donné à titre indicatif

N° de stock RS:
151-977
Référence fabricant:
UC3844BD1013TR
Fabricant:
STMicroelectronics
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Marque

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

Maximum Supply Voltage

30V

Pin Count

8

Maximum Duty Cycle

100%

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

150°C

Height

1.75mm

Standards/Approvals

RoHS

Width

6.2 mm

Series

UC284

Length

5mm

Automotive Standard

No

Pays d'origine :
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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