L7809CV
LDO RegulatorThe L7809CV is a ldo regulator from STMicroelectronics. View the full L7809CV datasheet below including key specifications, absolute maximum ratings.
Official L7809CV datasheet (PDF) — the source this page was extracted from.
L7809CV Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 1.5A |
| Quiescent Current | 8 mA |
| Mounting Type | Through Hole |
| Number of Regulators | 1 |
| Operating Temperature | 0°C ~ 125°C |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package / Case | TO-220-3 |
| Protection Features | Over Temperature, Short Circuit |
| PSRR | 55dB (120Hz) |
| Supplier Device Package | TO-220 |
| Input Voltage (Max) | 35V |
| Output Voltage | 9V |
| Dropout Voltage | 2V @ 1A (Typ) |
L7809CV Overview
Part: L7800 series — STMicroelectronics
Type: Positive Voltage Regulator
Description: The L7800 series is a family of three-terminal positive voltage regulators offering fixed output voltages from 5 V to 24 V, capable of delivering over 1 A output current with adequate heat sinking.
Operating Conditions:
- Operating junction temperature: -55 to 150 °C (for L7800), 0 to 150 °C (for L7800C)
- Output current: Up to 1.5 A
Absolute Maximum Ratings:
- Max DC Input Voltage: 35 V (for V O = 5 to 18V), 40 V (for V O = 20, 24V)
- Max continuous current: Internally Limited
- Max junction/storage temperature: 150 °C
Key Specs:
- Output Voltage (L7805, T J = 25°C): 4.8 V min, 5 V typ, 5.2 V max
- Line Regulation (L7805, V I = 7 to 25 V, T J = 25°C): 3 mV typ, 50 mV max
- Load Regulation (L7805, I O = 5 mA to 1.5 A, T J = 25°C): 100 mV max
- Quiescent Current (L7805, T J = 25°C): 6 mA max
- Output Noise Voltage (L7805, B = 10Hz to 100KHz, T J = 25°C): 40 mV/V O max
- Supply Voltage Rejection (L7805, V I = 8 to 18 V, f = 120Hz): 68 dB min
- Dropout Voltage (L7805, I O = 1 A, T J = 25°C): 2 V typ, 2.5 V max
- Short Circuit Current (L7805, V I = 35 V, T J = 25°C): 0.75 A typ, 1.2 A max
Features:
- Thermal overload protection
- Short circuit protection
- Output transition SOA protection
- Internal current limiting
- Thermal shut-down
- Safe area protection
Applications:
- Local on-card regulation
- Adjustable voltage and current applications (with external components)
Package:
- TO-220
- TO-220FP
- TO-3
- D 2 PAK
L7809CV Absolute Maximum Ratings
| Symbol | Parameter² | Parameter² | Value | Unit |
|---|---|---|---|---|
| V I | DC Input Voltage | for V O = 5 to 18V | 35 | V |
| V I | DC Input Voltage | for V O = 20, 24V | 40 | V |
| I O | Output Current | Output Current | Internally Limited | |
| P tot | Power Dissipation | Power Dissipation | Internally Limited | |
| T stg | Storage Temperature Range | Storage Temperature Range | -65 to 150 | °C |
| T op | OperatingJunctionTemperature Range | for L7800 | -55 to 150 | °C |
| T op | OperatingJunctionTemperature Range | for L7800C | 0 to 150 | °C |
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
L7809CV Thermal Information
| Symbol | Parameter | D 2 PAK | TO-220 | TO-220FP | TO-3 | Unit |
|---|---|---|---|---|---|---|
| R thj-case | Thermal Resistance Junction-case Max | 3 | 5 | 5 | 4 | °C/W |
| R thj-amb | Thermal Resistance Junction-ambient Max | 62.5 | 50 | 60 | 35 | °C/W |
L7809CV Typical Application
L7809CV Package Information
| DIM. | mm. | mm. | mm. | inch | inch | inch |
|---|---|---|---|---|---|---|
| DIM. | MIN. | TYP | MAX. | MIN. | TYP. | MAX. |
| A | 11.85 | 0.466 | ||||
| B | 0.96 | 1.05 | 1.10 | 0.037 | 0.041 | 0.043 |
| C | 1.70 | 0.066 | ||||
| D | 8.7 | 0.342 | ||||
| E | 20.0 | 0.787 | ||||
| G | 10.9 | 0.429 | ||||
| N | 16.9 | 0.665 | ||||
| P | 26.2 | 1.031 | ||||
| R | 3.88 | 4.09 | 0.152 | 0.161 | ||
| U | 39.5 | 1.555 | ||||
| V | 30.10 | 1.185 |
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All Integrated Circuits datasheetsAll STMicroelectronics datasheets (808)
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