Texas Instruments UCC3806N, Dual PWM Controller, 14.5 V, 52 kHz 16-Pin, PDIP

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RS-artikelnummer:
226-9829
Tillv. art.nr:
UCC3806N
Tillverkare / varumärke:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

52 kHz

Output Current

500 mA

Number of Outputs

2

Control Method

Current

Fall Time

35ns

Mounting Type

Through Hole

Package Type

PDIP

Rise Time

35ns

Pin Count

16

Topology

Boost, Buck, Flyback, Forward

Dimensions

19.3 x 6.35 x 4.57mm

Maximum Duty Cycle

50%

PWM Controller Type

Current Mode

Length

19.3mm

Width

6.35mm

Height

4.57mm

Maximum Operating Temperature

+70 °C

Maximum Operating Supply Voltage

14.5 V

Minimum Operating Supply Voltage

8 V

Minimum Operating Temperature

0 °C

Flyback Controller, Current Control, UCC28/UCC38 Series, Texas Instruments


The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.

The Texas Instruments UCC3806 family of BiCMOS PWM controllers offers exceptionally improved performance with a familiar architecture. With the same block diagram and pinout of the popular UC3846 series, the UCC3806 line features increased switching frequency capability while greatly reducing the bias current used within the device. With a typical start-up current of 50μA and a well defined voltage threshold for turn-on, these devices are favoured for applications ranging from off-line power supplies to battery operated portable equipment. Dual high current, MOSFET driving outputs and a fast current sense loop further enhance device versatility.

BiCMOS Version of UC3846 Families
1.4-mA Maximum Operating Current
100-μA Maximum Start-up Current
±0.5-A Peak Output Current
125-ns Circuit Delay
Easier Parallel ability
Improved Benefits of Current Mode Control


Flyback Controllers, Texas Instruments


Current-Mode and Voltage-Mode PWM Controller
Primary-Side Regulation
Peak Power Mode
Low Power

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