UC2845A Datasheet (Texas Instruments)

Part UC2845A
Description Current-Mode PWM Controllers
Manufacturer Texas Instruments
Size 2.81 MB
Pricing from 0.9831 USD, available from Rochester Electronics and DigiKey.
Texas Instruments

UC2845A Overview

Key Specifications

Package: SOIC
Pins: 14
Max Voltage (typical range): 30 V
Min Voltage (typical range): 12 V

Description

The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control currentmode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.

Key Features

  • Optimized for Off-Line and DC-DC Converters
  • Low Start-Up Current (< 0.5 mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feedforward Compensation
  • Pulse-by-Pulse Current Limiting

Price & Availability

Seller Inventory Price Breaks Buy
Rochester Electronics 2407 100+ : 0.9831 USD
500+ : 0.8848 USD
1000+ : 0.816 USD
10000+ : 0.7275 USD
View Offer
Rochester Electronics 1689 100+ : 0.9831 USD
500+ : 0.8848 USD
1000+ : 0.816 USD
10000+ : 0.7275 USD
View Offer