Datasheet for LTC4446IMS8E#PBF:
- Manufacturer Part Number : LTC4446IMS8E#PBF
- Manufacturer : AD
- Description : High Voltage High Side/Low Side N-Channel MOSFET Driver IC
- Series : LTC4446
- Reference Price : USD 1.448
- Our Price : We have a better price, contact us by email
- Product Type : High Side Switches & MOSFET Drivers
- Function : -
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead MSOP w/ EP
- Pins : 8
- MFG Package Case : 05-08-1662
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 125C
- Other Part Number : LTC4446IMS8E#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC4446 is a high frequency high voltage gate driver that drives two N-channel MOSFETs in a DC/DC converter with supply voltages up to 100V. The powerful driver capability reduces switching losses in MOSFETs with high gate capacitance. The LTC4446’s pull-up for the top gate driver has a peak output current of 2.5A and its pull-down has an output impedance of 1.2Ω. The pull-up for the bottom gate driver has a peak output current of 3A and the pull-down has an output impedance of 0.55Ω.
The LTC4446 is configured for two supply-independent inputs. The high side input logic signal is internally level-shifted to the bootstrapped supply, which may function at up to 114V above ground.
The LTC4446 contains undervoltage lockout circuits that disable the external MOSFETs when activated.
The LTC4446 is available in the thermally enhanced 8-lead MSOP package.
The LTC4446 does not have adaptive shoot-through protection. For similar drivers with adaptive shoot-through protection, please refer to the chart below.
| PARAMETER | LTC4446 | LTC4444 | LTC4444-5 |
| Shoot-Through Protection | No | Yes | Yes |
| Absolute Max TS | 100V | 100V | 100V |
| MOSFET Gate Drive | 7.2V to 13.5V | 7.2V to 13.5V | 4.5V to 13.5V |
| VCC UV+ | 6.6V | 6.6V | 4V |
| VCC UV– | 6.15V | 6.15V | 3.5V |
Applications
- Distributed Power Architectures
- Automotive Power Supplies
- High Density Power Modules
- Telecommunication Systems
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
