The UCC28700 family of flyback power supply controllers provides Constant-Voltage (CV) and Constant-Current (CC) output regulation without the use of an optical coupler. The devices process information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current. Low start-up current, dynamically controlled.
•1 < 30-mW No-Load Power for 5-Star Rating
• Primary-Side Regulation (PSR) Eliminates Opto-
Coupler
• ±5% Voltage and Current Regulation
• 130-kHz Maximum Switching Frequency Enables
High-Power Density Charger Designs
• Quasi-Resonant Valley-Switching Operation for
Highest Overall Efficiency
• Patent-Pending Frequency-Jitter Scheme to Ease
EMI Compliance
• Wide VDD Range Allows Small Bias Capacitor
• Clamped Gate-Drive Output for MOSFET
• Protection Functions: Overvoltage, Low-Line, and
Overcurrent
• Programmable Cable Compensation (UCC28700
Only)
• NTC Resistor Interface (UCC28701, UCC28702
a.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | UCC28700 |
Texas Instruments |
Constant-Current Controller | |
2 | UCC28700-Q1 |
Texas Instruments |
Constant-Current Controller | |
3 | UCC28702 |
Texas Instruments |
Constant-Current Controller | |
4 | UCC28703 |
Texas Instruments |
Constant-Current Controller | |
5 | UCC28704 |
Texas Instruments |
Flyback Controller | |
6 | UCC28710 |
Texas Instruments |
Constant-Current Controller | |
7 | UCC28711 |
Texas Instruments |
Constant-Current Controller | |
8 | UCC28712 |
Texas Instruments |
Constant-Current Controller | |
9 | UCC28713 |
Texas Instruments |
Constant-Current Controller | |
10 | UCC28720 |
Texas Instruments |
Constant-Current Controller | |
11 | UCC28722 |
Texas Instruments |
Constant-Current Controller | |
12 | UCC28730 |
Texas Instruments |
PSR Flyback Controller |