| Part Number | UCC3570D | UCC35701D | 
|---|---|---|
| Manufacturer | Unitrode | Texas Instruments | 
| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers | 
|   |   | |
| Product Status | Active | Active | 
| Output Isolation | - | Isolated | 
| Internal Switch(s) | - | No | 
| Voltage - Breakdown | - | - | 
| Topology | - | Boost, Buck, Flyback, Forward | 
| Voltage - Start Up | - | 13 V | 
| Voltage - Supply (Vcc/Vdd) | - | 9V ~ 15V | 
| Duty Cycle | - | 99% | 
| Frequency - Switching | 500kHz | 700kHz | 
| Power (Watts) | - | - | 
| Fault Protection | - | Current Limiting | 
| Control Features | - | Soft Start, Sync | 
| Operating Temperature | - | -55°C ~ 150°C (TJ) | 
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 14-SOIC | 14-SOIC | 
| Mounting Type | Surface Mount | Surface Mount |