Programmable Maximum Duty Cycle PWM Controller

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.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
UCC3807N-1 Texas Instruments IC 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP8, GREEN, PLASTIC, DIP-8, Switching Regulator or Controller
UCC3807D-1 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807DTR-1 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807D-1G4 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807DTR-1G4 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807N-1G4 Texas Instruments IC 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDIP8, GREEN, PLASTIC, DIP-8, Switching Regulator or Controller
UCC3807N-2 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-PDIP 0 to 70
UCC3807D-2 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807D-2G4 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-SOIC 0 to 70
UCC3807N-2G4 Texas Instruments Programmable Maximum Duty Cycle PWM Controller 8-PDIP 0 to 70
UCC3807-2 's PackagesUCC3807-2 's pdf datasheet
UCC3807D-2 SOIC
UCC3807D-2G4 SOIC
UCC3807DTR-2G4 SOIC
UCC3807N-2 PDIP
UCC3807N-2G4 PDIP

UCC3807-2 pdf datasheet download


UCC3807-2 Pinout, Pinouts
UCC3807-2 pinout,Pin out
This is one package pinout of UCC3807-2,If you need more pinouts please download UCC3807-2's pdf datasheet.

UCC3807-2 Application circuits
UCC3807-2 circuits
This is one application circuit of UCC3807-2,If you need more circuits,please download UCC3807-2's pdf datasheet.


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