Key facts
- Brand
- Texas Instruments
- Model
- UC1827-2
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-09
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Texas Instruments UC1827-1/2/UC2827-1/2/UC3827-1/2 Buck Current/Voltage Fed Push-Pull PWM Controllers Datasheet
This document describes the UC3827 family of controller devices, which includes the UC1827-1 (Current Fed), UC1827-2 (Voltage Fed), UC2827-1, UC2827-2, UC3827-1, and UC3827-2 models. These devices provide an integrated control solution for cascaded buck and push-pull converters, known as current fed or voltage fed push-pull converters, ideally suited for multiple output and/or high voltage output applications.
Read onlineTexas Instruments UC1827-2 specifications
| Maximum Oscillator Frequency | 500 kHz |
|---|---|
| Input Voltage Range (V+ and BUCK) | 90 V |
| Supply Voltage (VCC) | 20 V |
| BUCK Driver I/O Peak Current | ± 1 A |
| PUSH/PULL Driver I/O Peak Current | ± 0.8 A |
| Storage Temperature Range | -65 to 150 °C |
| Junction Temperature Range | -55 to 150 °C |
All Texas Instruments UC1827-2 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum operating frequency for these controllers?
The controllers support operation up to 500 kHz.
What is the maximum voltage rating for the VCC supply pin?
The maximum supply voltage for the VCC pin is 20 V.
What are the main applications for the UC3827 family?
They are ideally suited for multiple output and/or high voltage output applications using cascaded buck and push-pull converters.
From: TEXAS INSTRUMENTS UC1827-1 UC1827-2 UC2827-1 UC2827-2 UC3827-1 UC3827-2 handbook(1)
What is the maximum practical discharge current for the timing capacitor CT?
The maximum practical discharge current is 20 mA.
From: TEXAS INSTRUMENTS UC1827-1 UC1827-2 UC2827-1 UC2827-2 UC3827-1 UC3827-2 handbook(1)