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| Part Number | UC3543NG4 | UC3544NG4 | UC2543NG4 | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Applications | Power Supply, Supervisor | Power Supply, Supervisor | Power Supply, Supervisor | 
| Voltage - Input | 4.5V ~ 40V | 4.5V ~ 40V | 4.5V ~ 40V | 
| Voltage - Supply | - | - | - | 
| Current - Supply | 7 mA | 7 mA | 7 mA | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | -25°C ~ 85°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | 
| Package / Case | 16-DIP (0.300", 7.62mm) | 18-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 16-PDIP | 18-PDIP | 16-PDIP |