onsemi UC2845B
High Performance Current Mode Controllers
| Part No. | UC2845B |
|---|---|
| Datasheet | UC2845B Download |
| Manufacturer |  onsemi |
| Description | High Performance Current Mode Controllers |
| Buy | Stock & Price |
FEATURES
● Trimmed Oscillator for Precise Frequency Control● Oscillator Frequency Guaranteed at 250 kHz
● Current Mode Operation to 500 kHz Output Switching Frequency
● Output Deadtime Adjustable from 50% to 70%
● Automatic Feed Forward Compensation
● Latching PWM for Cycle−By−Cycle Current Limiting
● Internally Trimmed Reference with Undervoltage Lockout
● High Current Totem Pole Output
● Undervoltage Lockout with Hysteresis
● Low Startup and Operating Current
● These Devices are Pb−Free and are RoHS Compliant
● NCV Prefix for Automotive and Other
APPLICATIONS
Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable DATA SHEET 8 1 14 1 8 1 PDIP−8 N SUFFIX CASE 626 SOIC−14 D SUFFIX CASE 751A SOIC−8 D1 SUFFIX CASE 751 PIN CONNECTIONS Compensation 1 Voltage Feedback 2 8 Vref 7 VCC Current Sense 3 6 Output RT/CT 4 5 GN D (Top View) Compensation 1 NC 2 Voltage Feedback 3 NC 4 Current Sense 5 NC 6 RT/CT 7 14 Vref 13 NC 12 VCC 11 VC 10 Output 9 GND 8 Power Ground (Top View) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 16 of this data sheet.
