| PartNumber | UC2903QTR | UC2903QTRG3 | UC2903Q |
| Description | Supervisory Circuits Quad Supply and Line Monitor | Supervisory Circuits Quad Supply and Line Monitor | Supervisory Circuits Quad Supply and Line Monitor |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| RoHS | Y | Y | Y |
| Type | Voltage Supervisory | Voltage Supervisory | Voltage Supervisory |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-20 | PLCC-20 | PLCC-20 |
| Threshold Voltage | 1.8 V, Adjustable | 1.8 V, Adjustable | 1.8 V, Adjustable |
| Number of Inputs Monitored | 4 Input | 4 Input | 4 Input |
| Output Type | Active Low, Open Drain | Active Low, Open Drain | Active-low,Open-drain |
| Manual Reset | No Manual Reset | No Manual Reset | No Manual Reset |
| Watchdog Timers | No Watchdog | No Watchdog | No Watchdog |
| Reset Delay Time | Adjustable | - | Adjustable |
| Supply Voltage Max | 40 V | 40 V | 40 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Tube |
| Features | Internal Hysteresis | - | Negative Voltage Monitoring, Over Voltage Sense |
| Height | 4.06 mm | 4.06 mm | 4.06 mm |
| Length | 8.96 mm | 9.04 mm (Max) | 8.96 mm |
| Width | 8.96 mm | 8.96 mm | 8.96 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Overvoltage Threshold | Adjustable | Adjustable | Adjustable |
| Undervoltage Threshold | Adjustable | Adjustable | Adjustable |
| Operating Supply Current | 7000 uA | 7 mA | 7000 uA |
| Pd Power Dissipation | 1000 mW | 1000 mW | 1000 mW |
| Product Type | Supervisory Circuits | Supervisory Circuits | Supervisory Circuits |
| Factory Pack Quantity | 1 | 1 | 46 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 8 V | 8 V | 8 V |
| Unit Weight | 0.025468 oz | 0.025468 oz | 0.025468 oz |
| Battery Backup Switching | - | - | No Backup |
| Series | - | - | UC2903 |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Moisture Sensitive | - | - | Yes |