Datasheet for LTC1157CS8#PBF:
- Manufacturer Part Number : LTC1157CS8#PBF
- Manufacturer : AD
- Description : 3.3V Dual Micropower High-Side/Low-Side MOSFET Driver IC
- Series : LTC1157
- Reference Price : USD 2.04
- 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 SOIC (Narrow 0.15 Inch)
- Pins : 8
- MFG Package Case : 05-08-1610 (S8)
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 100
- Working Temperature : 0 to 70C
- Other Part Number : LTC1157CS8#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 LTC1157 dual 3.3V micropower MOSFET gate driver makes it possible to switch either supply or ground reference loads through a low RDS(ON) Nchannel switch (N-channel switches are required at 3.3V because P-channel MOSFETS do not have guaranteed RDS(ON) with VGS ≤ 3.3V). The LTC1157 internal charge pump boosts the gate drive voltage 5.4V above the positive rail (8.7V above ground), fully enhancing a logic level N-channel switch for 3.3V high-side applications and a standard N-channel switch for 3.3V low-side applications.
The gate drive voltage at 5V is typically 8.8V above supply (13.8V above ground), so standard N-channel MOSFET switches can be used for both high-side and low-side applications.Micropower operation, with 3µA standby current and 80µA operating current, makes the LTC1157 well suited for battery-powered applications.
The LTC1157 is available in both 8-pin DIP and SOIC.
Applications
- Notebook Computer Power Management
- Palmtop Computer Power Management
- P-Channel Switch Replacement
- Battery Charging and Management
- Mixed 5V and 3.3V Supply Switching
- Stepper Motor and DC Motor Control
- Cellular Telephones and Beepers
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.
