Key facts
- Brand
- Texas Instruments
- Model
- UCC3
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-03
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TEXAS INSTRUMENTS UCC2813-0/-1/-2/-3/-4/-5-Q1 handbook
The UCC2813-0/-1/-2/-3/-4/-5 family of high-speed low-power integrated circuits contain all of the control and drive components required for off-line and dc-to-dc fixed-frequency current-mode switching power supplies with minimal parts count. These devices have the same pin configuration as the UC2842/3/4/5 family and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC2813-0/-1/-2/-3/-4/-5 family offers choice of maximum duty cycle and critical voltage levels. Lower reference parts, such as the UCC2813-3 and UCC2813-5, fit best into battery-operated systems, while the higher reference and the higher undervoltage lockout (UVLO) hysteresis of the UCC2813-2
Read onlineTexas Instruments UCC3 specifications
| Oscillator Frequency | 175 kHz – 228 kHz |
|---|---|
| Maximum Duty Cycle | 75 % – 81 % (typical 78 %) |
| Supply Voltage (Ipp = 10 mA) | 13.5 V |
| Supply Current | 30 mA |
| OUT Low Level Voltage | 0.4 V – 1 V (100 mA load) |
Source: Texas Instruments UCC1807/UCC2807/UCC3807 PWM Controller Handbook
All Texas Instruments UCC3 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- TEXAS INSTRUMENTS UCC2813-0/-1/-2/-3/-4/-5-Q1 handbook
- Texas Instruments UCC1807/UCC2807/UCC3807 PWM Controller Handbook 15 p
- Texas Instruments UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 Low-Power BiCMOS Current-Mode PWM Handbook 23 p
- TEXAS INSTRUMENTS UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 Low Power Economy BiCMOS Current Mode PWMhandbook 20 p
Questions answered in these manuals
What is the typical maximum duty‑cycle of the UCC3807 family?
The typical maximum duty‑cycle is 78 %, with a range from 75 % to 81 %.
From: Texas Instruments UCC1807/UCC2807/UCC3807 PWM Controller Handbook
What supply voltage rating is specified for the devices?
The devices are rated for a supply voltage of up to 13.5 V (Ipp = 10 mA).
From: Texas Instruments UCC1807/UCC2807/UCC3807 PWM Controller Handbook
What is the typical starting supply current for these devices?
The typical starting supply current is 100 µA.
What is the typical starting supply current for the UCC2813/UCC3813?
The typical starting supply current is 100 µA.
What is the maximum operating frequency of these PWM controllers?
They can operate up to 1 MHz.