LT3991 |
Part Number | LT3991 |
Manufacturer | Linear Technology |
Description | The LT®3991 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 55V. Low quiescent current design consumes only 2.8µA of supply current while r... |
Features |
n Ultralow Quiescent Current: 2.8µA IQ Regulating 12VIN to 3.3VOUT
n Fixed Output Voltages: 3.3V, 5V 2.1µA IQ Regulating 12VIN
n Low Ripple Burst Mode® Operation: Output Ripple < 15mVP-P
n Wide Input Voltage Range: 4.3V to 55V n 1.2A Maximum Output Current n Adjustable Switching Frequency: 200kHz to 2MHz n Synchronizable Between 250kHz to 2MHz n Fast Transient Response n Accurate 1V Enable Pin Threshold n Low Shutdown Current: IQ = 700nA n Power Good Flag n Soft-Start CapabilityV n Internal Compensation n Saturating Switch Design: 0.44Ω On-Resistance n Output Voltage: 1.19V to... |
Document |
LT3991 Data Sheet
PDF 378.56KB |
Distributor | Stock | Price | Buy |
---|
No. | Parte # | Fabricante | Descripción | Hoja de Datos |
---|---|---|---|---|
1 | LT3990 |
Linear Technology |
350mA Step-Down Regulator | |
2 | LT3990 |
Analog Devices |
350mA Step-Down Regulator | |
3 | LT3990-3.3 |
Analog Devices |
350mA Step-Down Regulator | |
4 | LT3990-3.3 |
Linear |
350mA Step-Down Regulator | |
5 | LT3990-5 |
Analog Devices |
350mA Step-Down Regulator |