Overview
The L9856 is a high-voltage high-side driver IC manufactured by STMicroelectronics using BCD "OFF-LINE" technology. This device is designed to drive N-Channel Power MOS transistors and features a floating section that can operate with voltage rails up to 160V. The logic inputs are CMOS/TTL compatible, facilitating easy interfacing with controlling devices. The L9856 is packaged in an 8-SOIC (0.154", 3.90mm Width) and is suitable for a wide range of high-voltage applications due to its robust design and comprehensive set of features.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Manufacturer | STMicroelectronics | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Voltage - Supply | 4.4 V ~ 6.5 V | V |
| High Side Voltage - Max (Bootstrap) | 150V | V |
| Current - Peak Output (Source, Sink) | 500mA, 500mA | A |
| Input Type | Inverting | |
| Gate Type | N-Channel MOSFET | |
| Driven Configuration | High-Side | |
| Rise / Fall Time (Typ) | 100ns, 100ns | ns |
| Operating Temperature | -55°C ~ 150°C (TJ) | °C |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High voltage rail up to 160V
- dV/dt immunity ±50 V/nsec in full temperature range
- Driver current capability: 500mA source, 500mA sink
- Switching times 100ns rise/fall with 2.5nF load
- CMOS/TTL Schmitt trigger inputs with hysteresis
- Under voltage lock out
- Clamping on VCC
- Loading circuit for external Bootstrap capacitor
- Inverting input
- Reset circuitry
- SO-8 package
Applications
The L9856 high-side driver is suitable for various high-voltage applications, including but not limited to:
- Power supplies and DC-DC converters
- Motor control and drive systems
- Automotive systems requiring high-voltage operation
- Industrial control and automation
- High-voltage power management in consumer electronics
Q & A
- What is the maximum high-side voltage the L9856 can handle?
The L9856 can handle a high-side voltage up to 150V.
- What is the package type of the L9856?
The L9856 is packaged in an 8-SOIC (0.154", 3.90mm Width).
- What is the peak output current capability of the L9856?
The L9856 has a peak output current capability of 500mA source and 500mA sink.
- What is the operating temperature range of the L9856?
The operating temperature range of the L9856 is -55°C to 150°C (TJ).
- Is the L9856 RoHS compliant?
Yes, the L9856 is lead-free and RoHS compliant.
- What type of logic inputs does the L9856 support?
The L9856 supports CMOS/TTL compatible logic inputs.
- What is the rise and fall time of the L9856 with a 2.5nF load?
The rise and fall time of the L9856 with a 2.5nF load is 100ns each.
- Does the L9856 have under voltage lockout protection?
Yes, the L9856 features under voltage lockout protection.
- What is the dV/dt immunity of the L9856?
The L9856 has a dV/dt immunity of ±50 V/nsec in the full temperature range.
- Does the L9856 have reset circuitry?
Yes, the L9856 includes reset circuitry.
