Datasheet for LT3970HMS-5#PBF:
- Manufacturer Part Number : LT3970HMS-5#PBF
- Manufacturer : AD
- Description : 40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes IC
- Series : LT3970 Series
- Reference Price : USD 2.336
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 10-Lead MSOP
- Pins : 10
- MFG Package Case : 05-08-1661
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 150C
- Other Part Number : LT3970HMS-5#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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- Low Ripple Burst Mode® Operation
- 2.5µA IQ at 12VIN to 3.3VOUT
- Output Ripple < 5mVP-P
- Wide Input Voltage Range: 4.2V to 40V Operating
- Adjustable Switching Frequency: 200kHz to 2.2MHz
- Integrated Boost and Catch Diodes
- 350mA Output Current
- Fixed Output Voltages:
- 3.3V, 3.42V, 5V
- 1.8μA IQ at 12VIN
- Accurate 1V Enable Pin Threshold
- Low Shutdown Current: IQ = 0.7μA
- Internal Sense Limits Catch Diode Current
- Power Good Flag
- Output Voltage: 1.21V to 25V
- Internal Compensation
- Small 10-Pin MSOP and (3mm × 2mm) DFN Packages
- AEC-Q100 Qualified for Automotive Applications
The LT3970 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 40V, and consumes only 2.5μA of quiescent current. A high efficiency switch is included on the die along with the catch diode, boost diode, and the necessary oscillator, control and logic circuitry. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping the output ripple below 5mV in a typical application. Current mode topology is used for fast transient response and good loop stability. A catch diode current limit provides protection against shorted outputs and overvoltage conditions. An enable pin with accurate threshold is available, producing a low shutdown current of 0.7μA. A power good flag signals when VOUT reaches 90% of the programmed output voltage. The LT3970 is available in small 10-pin MSOP and 3mm × 2mm DFN packages.
Applications
- Automotive Battery Regulation
- Power for Portable Products
- Industrial Supplies
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
