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Technical Specifications
Rohm BD9776HFP technical specifications.
General
| Structure Type | Silicon Monolithic Integrated Circuit |
| Product Type | Step-Down Switching Regulator with Integrated Power MOSFET |
| Package | 7 Pins High Power Flat Package (HRP-7) |
| Input Voltage Range (Features) | 5 to 35V |
| Current Capability (Features) | Up to 4A |
| Reference Voltage Precision | +/-2% |
| Low Dropout Operating | 100% ON-Duty Cycle |
| Stand-by Current (Features) | 0 (Typ.)µA |
| Adjustable Frequency Range (Features) | 50 to 300kHz |
| Protection Features | Soft Start, Over Current Protection (OCP), Thermal Shut Down Circuit (TSD) |
| Supply Voltage (Absolute Maximum) | 36V |
| Output SW Voltage (Absolute Maximum) | VINV |
| Output SW Current (Absolute Maximum) | 4A |
| EN/SYNC, INV Pin Voltage (Absolute Maximum) | VINV |
| Power Dissipation (Absolute Maximum) | 5.5W |
| Operating Temperature Range (Absolute Maximum) | -40 to +85°C |
| Storage Temperature Range (Absolute Maximum) | -55 to +150°C |
| Junction Temperature (Absolute Maximum) | 150°C |
| Input Voltage (Recommended Operating) | Min: 5, Max: 35V |
| Output Switch Current (Recommended Operating) | Max: 4A |
| Oscillator Frequency (Recommended Operating) | Min: 50, Max: 300kHz |
| Oscillator Timing Resistance (Recommended Operating) | Min: 100, Max: 800kΩ |
| Synchronizing Frequency (Recommended Operating) | Min: 50, Max: 300kHz |
| Output Voltage (Recommended Operating) | 1 or VIN~6V |
| Stand-by Current (Characteristics) | Min: 0, Max: 10µA |
| Quiescent Current (Characteristics) | Min: 5, Typ: 8mA |
| Switch On Resistance (Characteristics) | Typ: 0.5, Max: 0.7Ω |
| Output Current Limit (Characteristics) | Min: 4, Typ: 8A |
| Leakage Current (Characteristics) | Min: 0, Max: 10µA |
| Reference Voltage (Characteristics) | Min: 0.98, Typ: 1.00, Max: 1.02V |
| Line Regulations (Characteristics) | Max: 0.01% |
| Input Bias Current (Characteristics) | Min: -1µA |
| Maximum FB Voltage (Characteristics) | Min: 2.4, Typ: 2.5V |
| Minimum FB Voltage (Characteristics) | Min: 0.05, Typ: 0.1V |
| FB sink current (Characteristics) | Min: -5.0, Typ: -3.0, Max: -0.5mA |
| FB source current (Characteristics) | Min: 70, Typ: 120, Max: 170µA |
| Soft Start Period (Characteristics) | Min: 5mS |
| Switching Frequency (Characteristics) | Min: 82, Typ: 102, Max: 122kHz |
| Frequency Line Regulation (Characteristics) | Max: 1% |
| Enable/Synchronous Threshold Voltage (Characteristics) | Min: 1.0, Typ: 1.8, Max: 2.4V |
| Sense Current (Characteristics) | Min: 35, Typ: 70µA |
| Synchronous Frequency (Characteristics) | Typ: 120kHz |
| Package Length | 9.395 ± 0.125 (max 9.745 including burr)mm |
| Package Width | 8.0 ± 0.13mm |
| Package Height | 1.905 ± 0.1mm |
| Pin Pitch | 1.27mm |
Datasheet
Rohm BD9776HFP Datasheet
Download the complete datasheet for Rohm BD9776HFP to view detailed technical specifications.
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