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Overview
| Topology | Boost Converter |
| Input voltage | 1.2-30 V |
| Switching frequency | 100-3000 kHz |
| Output 1 | 10 V / 12 A |
| IC revision | A |
Description
The LTC®7806 is a high performance 2-phase single output synchronous boost converter controller that drives two N-channel power MOSFET stages out-of-phase. Its constant-frequency current mode architecture allows a phase-lockable switching frequency of up to 3MHz. High frequency 2-phase operation reduces input and output capacitor requirements and allows the use of smaller inductors compared to the single-phase equivalent. Synchronous rectification increases efficiency, reduces power losses, and eases thermal requirements, simplifying high power boost applications. The synchronous PassThru capability also minimizes losses in automotive start-stop applications.
Features
- 2-Phase Operation Reduces Required Input andOutput Capacitance and Power Supply Induced Noise
- Synchronous Operation for Highest Efficiencyand Reduced Heat Dissipation
- Wide Input Voltage Range: 4.5V to 40V,Operates Down to 1V After Start-Up
- Output Voltage Up to 40V
- Low Operating Quiescent Current: 18μA
- PassThru™ Operation: 100% Duty Cycle Capabilityfor Synchronous MOSFET
- RSENSE or Inductor DCR Current Sensing
- Spread Spectrum Operation
- Programmable Fixed Frequency (100kHz to 3MHz)
- Phase-Lockable Frequency (100kHz to 3MHz)
- Selectable Continuous, Pulse-Skipping, or LowRipple Burst Mode® Operation at Light Loads
- Input Current Monitor Output
- Internal LDO Powers Gate Drive from VBIAS or EXTVCC
- Low Shutdown IQ: 1.5μA
- Side Wettable 28-Lead 4mm × 5mm QFN Package
- AEC-Q100 Qualified for Automotive Applications
Typical applications
- Communications
- Automotive and Transportation
- Industrial
- Medical
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 0.47 µH, 50.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance0.47 µH | Performance Rated Current50.1 A | Saturation Current @ 10%24 A | Saturation Current @ 30%50 A | DC Resistance0.9 mΩ | Self Resonant Frequency95 MHz | MaterialWE-PERM |