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L5970D
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.4V-36Vin, 1.2V-35Vout, 1Aout, SOIC-8
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| Manufacturer | STMICROELECTRONICS |
|---|---|
| Manufacturer Part No | L5970DCopy |
| Manufacturer Standard Lead Time | 15 weeks |
| Newark Part No. | 25M9045 |
| Your Part Number | |
| Technical Datasheet |
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| Quantity | Price |
|---|---|
| 1+ | $2.950 |
| 10+ | $2.150 |
| 25+ | $1.970 |
| 50+ | $1.810 |
| 100+ | $1.640 |
| 250+ | $1.540 |
| 500+ | $1.390 |
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Product Information
| Manufacturer | STMICROELECTRONICS |
|---|---|
| Manufacturer Part No | L5970DCopy |
| Manufacturer Standard Lead Time | 15 weeks |
| Newark Part No. | 25M9045 |
| Technical Datasheet | |
| Regulator Output Type | Adjustable |
| Output Type | Adjustable |
| No. of Outputs | 1Outputs |
| Topology | Buck (Step Down) |
| Input Voltage Min | 4.4V |
| Input Voltage Max | 36V |
| Output Current | 1A |
| Max Output Current | 1A |
| IC Case / Package | SOIC |
| No. of Pins | 8Pins |
| IC Mounting | Surface Mount |
| Output Voltage - Nom | - |
| Output Voltage Min | 1.2V |
| Output Voltage Max | 35V |
| Switching Frequency Typ | 250kHz |
| Efficiency | 90% |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 150°C |
| Product Range | - |
| Qualification | - |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC (25-Jun-2025) |
| DC / DC Converter IC Case | SOIC |
| Automotive Qualification Standard | - |
| Switching Frequency | 280kHz |
Product Overview
The L5970D is a Step-down Monolithic Power Switching Regulator IC capable to deliver up to 1A at output voltages from 1.2 to 35V. The device uses an internal P-channel D-MOS transistor (with a typical Rdson of 250mΩ) as switching element to minimize the size of the external components. Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.
- 3.3V/(±2%) Reference voltage
- Operating input voltage from 4.4 to 36V
- 100% Duty cycle low dropout operation
- 250kHz Internally fixed frequency
- Voltage feed forward
- Zero load current operation
- Internal current limiting
- Inhibit for zero current consumption
- Synchronization
- Protection against feedback disconnection
- Thermal shutdown
Technical Specifications
| Regulator Output Type | Adjustable |
|---|---|
| No. of Outputs | 1Outputs |
| Input Voltage Min | 4.4V |
| Output Current | 1A |
| IC Case / Package | SOIC |
| IC Mounting | Surface Mount |
| Output Voltage Min | 1.2V |
| Switching Frequency Typ | 250kHz |
| Operating Temperature Min | -40°C |
| Product Range | - |
| MSL | MSL 3 - 168 hours |
| DC / DC Converter IC Case | SOIC |
| Switching Frequency | 280kHz |
| Output Type | Adjustable |
|---|---|
| Topology | Buck (Step Down) |
| Input Voltage Max | 36V |
| Max Output Current | 1A |
| No. of Pins | 8Pins |
| Output Voltage - Nom | - |
| Output Voltage Max | 35V |
| Efficiency | 90% |
| Operating Temperature Max | 150°C |
| Qualification | - |
| SVHC | No SVHC (25-Jun-2025) |
| Automotive Qualification Standard | - |
Technical Docs (3)
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Legislation and Environmental
| US ECCN: | EAR99 |
|---|---|
| EU ECCN: | Unknown |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | No SVHC (25-Jun-2025) |
| Download Product Compliance Certificate | Product Compliance Certificate |