| Part Number | AP3503HMPTR-G1 | AP3503MPTR-G1 | 
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 4.5V | 4.5V | 
| Voltage - Input (Max) | 18V | 18V | 
| Voltage - Output (Min/Fixed) | - | 0.925V | 
| Voltage - Output (Max) | - | 16.2V | 
| Current - Output | 3A | 3A | 
| Frequency - Switching | 340kHz | 340kHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 
| Supplier Device Package | 8-SO | 8-PSOP |