Overview
The MC7905BD2TR4G is a fixed output negative linear voltage regulator produced by ON Semiconductor. It is part of the MC7900 series, which is designed as a complement to the popular MC7800 series devices. This regulator is available in various fixed output voltage options, with the MC7905 specifically providing a -5V output. The device is known for its robustness and reliability, featuring internal thermal overload protection, short circuit current limiting, and output transistor safe-area compensation.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -4.9 | -5.0 | -5.1 | Vdc |
| Line Regulation (TJ = +25°C, IO = 1.0 A) | - | 0.5 | 0.5 | mV |
| Load Regulation (TJ = +25°C, 5.0 mA ≤ IO ≤ 1.5 A) | - | 12 | 12 | mV |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | 40 | - | µV |
| Ripple Rejection (IO = 20 mA, f = 120 Hz) | - | 70 | - | dB |
| Dropout Voltage (IO = 1.0 A, TJ = +25°C) | - | 1.3 | - | Vdc |
| Average Temperature Coefficient of Output Voltage | - | -1.0 | - | mV/°C |
| Input Bias Current | - | 4.4 | 8.0 | mA |
| Temperature Range | -40°C | - | +125°C | °C |
| Package | - | D2PAK | - | - |
Key Features
- No external components required for operation.
- Internal thermal overload protection to prevent overheating.
- Internal short circuit current limiting to protect against overcurrent conditions.
- Output transistor safe-area compensation for enhanced reliability.
- Available in 2% voltage tolerance (see ordering information).
- Pb-free package options available (denoted by the G-suffix).
Applications
The MC7905BD2TR4G is suitable for a variety of applications requiring a stable negative voltage supply. These include:
- Industrial control systems.
- Telecommunication equipment.
- Consumer electronics requiring negative voltage regulation.
- MECL (Emitter-Coupled Logic) systems.
- Any application needing a robust and reliable negative voltage regulator.
Q & A
- What is the output voltage of the MC7905BD2TR4G?
The output voltage of the MC7905BD2TR4G is -5.0 V.
- What is the maximum output current of the MC7905BD2TR4G?
The maximum output current is 1.0 A.
- What are the key protection features of the MC7905BD2TR4G?
The device features internal thermal overload protection, short circuit current limiting, and output transistor safe-area compensation.
- What is the temperature range for the MC7905BD2TR4G?
The temperature range is from -40°C to +125°C.
- What package types are available for the MC7905BD2TR4G?
The device is available in D2PAK and TO-220 packages.
- Does the MC7905BD2TR4G require external components for operation?
No, the MC7905BD2TR4G does not require external components for operation.
- What is the ripple rejection of the MC7905BD2TR4G?
The ripple rejection is typically 70 dB at 120 Hz.
- What is the dropout voltage of the MC7905BD2TR4G?
The dropout voltage is typically 1.3 Vdc at IO = 1.0 A and TJ = +25°C.
- Is the MC7905BD2TR4G available in Pb-free packaging?
- What are some common applications for the MC7905BD2TR4G?
