See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

P | 8

Temp:

C (0 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

UCC3807N-3


Programmable Maximum Duty Cycle PWM Controller

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Qty.Price
1 - 9 $ 4.45
10 - 24 $ 4.00
25 - 99 $ 3.74
100 - 249 $ 3.35
250 - 499 $ 3.13
500 - 749 $ 2.72
750 - 999 $ 2.36
1000 - 9999 $ 2.03

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Texas Instruments UCC3807N-3

The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and dc-to-dc fixed frequency current mode switching power supplies with minimal external parts count.

These devices are similar to the UCC3800 family, but with the added feature of a user programmable maximum duty cycle. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3807 family also features internal full cycle soft start and internal leading edge blanking of the current sense input.

The UCC3807 family offers a variety of package options, temperature range options, and choice of critical voltage levels. The family has UVLO thresholds and hysteresis levels for off-line and battery powered systems. Thresholds are shown in the table below.

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