| PartNumber | R1540N001B-TR-KE | R1540S001B-E2-FE | R1540N001B-TR-FE |
| Description | LDO Voltage Regulators 70mA 42V Input Voltage Tracker for Automotive Applications | LDO Voltage Regulators High Noise Immunity 42 V Input Voltage 70 mA Voltage Tracker | LDO Voltage Regulators High Noise Immunity 42 V Input Voltage 70 mA Voltage Tracker |
| Manufacturer | Ricoh Electronics | Ricoh Electronics | Ricoh Electronics |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-5 | HSOP-8E | SOT-23-5 |
| Output Voltage | Adj | Adj | Adj |
| Output Current | 70 mA | 70 mA | 70 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Input Voltage MAX | 42 V | 42 V | 42 V |
| Input Voltage MIN | 3.5 V | 3.5 V | 3.5 V |
| Output Type | Adjustable | Adjustable | Adjustable |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Dropout Voltage | 1.3 V | 1.3 V | 1.3 V |
| Series | R1540N-K | R1540N | R1540N |
| Packaging | Reel | Reel | Reel |
| Product | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Type | Voltage Tracker | Voltage Tracker | Voltage Tracker |
| Brand | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company | Ricoh Electronic Devices Company |
| Dropout Voltage Max | 2.1 V | 2.1 V | 2.1 V |
| Output Voltage Range | 2.2 V to 14 V | 2.2 V to 14 V | 2.2 V to 14 V |
| PSRR / Ripple Rejection Typ | 80 dB | 80 dB | 80 dB |
| Line Regulation | 8 mV | 8 mV | 8 mV |
| Load Regulation | 2 mV | 2 mV | 2 mV |
| Operating Supply Current | 60 uA | 60 uA | 60 uA |
| Pd Power Dissipation | 830 mW | 3600 mW | 830 mW |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 3000 | 1000 | 3000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |