UCC1801J datasheet(3/55 Pages) TI1

Part #	UCC1801J

Description	Low-Power BiCMOS Current-Mode PWM Controllers

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Manufacturer	TI1 [Texas Instruments]

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UCC1800, UCC1801, UCC1802, UCC1803, UCC1804, UCC1805

UCC2800, UCC2801, UCC2802, UCC2803, UCC2804, UCC2805

UCC3800, UCC3801, UCC3802, UCC3803, UCC3804, UCC3805

www.ti.com

SLUS270E – MARCH 1999 – REVISED JUNE 2016

Product Folder Links: UCC1800 UCC1801 UCC1802 UCC1803 UCC1804 UCC1805 UCC2800 UCC2801 UCC2802

UCC2803 UCC2804 UCC2805 UCC3800 UCC3801 UCC3802 UCC3803 UCC3804 UCC3805

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5 Description (continued)

The UCCx80x family offers a variety of package options, temperature range options, choice of maximum duty

cycle, and choice of critical voltage levels. Lower reference parts such as the UCC2803 and UCC2805 fit best

into battery-operated systems, while the higher reference and higher UVLO hysteresis of the UCC2802 and

UCC2804 make these ideal choices for use in off-line power supplies.

The UCC180x series is specified for operation from –55°C to 125°C, the UCC280x series is specified for

operation from –40°C to 85°C, and the UCC380x series is specified for operation from 0°C to 70°C.

6 Device Comparison Table

PART NUMBER

MAXIMUM DUTY CYCLE

REFERENCE VOLTAGE

TURNON THRESHOLD

TURNOFF THRESHOLD

UCCx800

100%

5 V

7.2 V

6.9 V

UCCx801

50%

5 V

9.4 V

7.4 V

UCCx802

100%

5 V

12.5 V

8.3 V

UCCx803

100%

4 V

4.1 V

3.6 V

UCCx804

50%

5 V

12.5 V

8.3 V

UCCx805

50%

4 V

4.1 V

3.6 V

Table 1. Temperature and Package Selection

TEMPERATURE RANGE

AVAILABLE PACKAGES

UCC180x

–55°C to 125°C

J, L

UCC280x

–40°C to 85°C

N, D, PW

UCC380x

0°C to 70°C

N, D, PW

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