UC2845AN
Switching Controllers
| Quantity | Unit Price(USD) | Ext. Price |
|---|---|---|
| 1 | $0.865 | $0.86 |
| 10 | $0.718 | $7.18 |
| 50 | $0.644 | $32.20 |
| 100 | $0.571 | $57.10 |
| 500 | $0.528 | $264.00 |
| 1000 | $0.506 | $506.00 |
Inventory:5,960
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
-
Part Number : UC2845AN
-
Package/Case : PDIP-8
-
Brands : Unitrode
-
Components Categories : Power Supply Controllers, Monitors
-
Datesheet : UC2845AN DataSheet (PDF)
Overview of UC2845AN
The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode 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
- Enhanced Load Response Characteristics
- Undervoltage Lockout With Hysteresis
- Double Pulse Suppression
- High-Current Totem Pole Output
- Internally-Trimmed Bandgap Reference
- Up to 500-kHz Operation
- Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Topology | Boost, Buck, Flyback, Forward | Control mode | Peak current mode |
| Duty cycle (max) (%) | 50 | Switching frequency (max) (kHz) | 500 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology | UVLO thresholds on/off (V) | 8.4/7.6 |
| Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
| Gate drive (typ) (A) | 1 | Vin (max) (V) | 28 |
Warranty & Returns
Warranty, Returns, and Additional Information
-
QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
-
Shipping and Package
Shipping:For example, FedEx, SF, UPS, or DHL.UPS, or DHL.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
-
Payment
For example, channels like VISA, MasterCard, UnionPay, Western Union, PayPal, and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.
