STMicroelectronics UC3845BD1013TR 1 PWM Controller, 500 kHz 30 V 8-Pin, SO-8

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PHP590.04

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PHP660.84

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Units
Per Unit
Per Tape*
20 - 180PHP29.502PHP590.04
200 - 480PHP28.035PHP560.70
500 - 980PHP25.973PHP519.46
1000 - 1980PHP23.911PHP478.22
2000 +PHP22.999PHP459.98

*price indicative

Packaging Options:
RS Stock No.:
151-980
Distrelec Article No.:
304-37-487
Mfr. Part No.:
UC3845BD1013TR
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Maximum Switching Frequency

500kHz

Product Type

PWM Controller

Start-up Supply Current

0.5mA

Supply Current

17mA

Output Voltage

5 V

Output Current

1A

Number of Outputs

1

Package Type

SO-8

Minimum Supply Voltage

7V

Pin Count

8

Maximum Supply Voltage

30V

Maximum Duty Cycle

100%

Minimum Operating Temperature

-40°C

PWM Controller Type

Current Mode

Maximum Operating Temperature

150°C

Series

UC

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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