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Silicontent Technology SCT1270
12.6V, 7A Fully Integrated High Efficiency Synchronous Boost Converter
Overview
| Topology | Boost Converter |
| Input voltage | 2.7-12 V |
| Switching frequency | 200-2200 kHz |
| Output 1 | 12.6 V |
| IC revision | 1.1 |
Description
The SCT1270 is a high efficiency synchronous boost converter with fully integrated a 17mΩ high-side MOSFET and a 14mΩ low-side MOSFET, featuring 2.7V to 12V input voltage range to support single cell or two cell Lithium ion/polymer batteries and up to 9.5A peak switch current. The switch current limit can be adjustable with an external resistor. The SCT1270 has 7A continuous switch current capability and provides output voltage up to 12.6V. The SCT1270 adopts constant off-time peak current control to provide fast transient response. An external compensation network allows flexibility setting loop dynamics to achieve optimal transient performance at different load conditions.The SCT1270 works in the PWM at moderate and heavy load condition. The SCT1270 offers PFM mode at light load condition. The switching frequency is adjustable from 200KHz to 2.2MHz.The SCT1270 features output overvoltage protection and thermal shutdown protection when the device overloads.The device is available in a QFN-11 2mm x 2.5mm package.
Features
- Wide Input Voltage Range: 2.7V-12V
- Wide Output Voltage Range: 4.5V-12.6V
- Fully Integrated 17mΩ High Side FET and 14mΩ Low Side FET
- Up to 93% Efficiency at Vin=3.3V, Vout=9V, and Iout=2A
- Programmable and Up to 9.5A Peak Switch Current Limit
- Typical Shut-down Current: 1uA
- Quiescent Current: 150uA
- Adjustable Switching Frequency: 200KHz to 2.2MHz
- PFM Operation Mode at Light Load
- Internal Soft Start and External Compensation
- Cycle-by-Cycle Overcurrent Protection
- Output Overvoltage Protection
- Thermal Shutdown Protection: 160°C
- QFN-11 2mm x 2.5mm Package
Typical applications
- Bluetooth Speaker, E-Cigarette
- Outdoor Flashlight, Portable POS Terminal, Quick Charge Power Bank
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 | Qty. | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-HCI SMT Flat Wire High Current Inductor, 1.5 µH, 13.8 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.5 µH | Performance Rated Current13.8 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%14 A | DC Resistance6.6 mΩ | Self Resonant Frequency72 MHz | MaterialSuperflux | Packaging Unit1000 | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 1.8 µH, 22.1 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.8 µH | Performance Rated Current22.1 A | Saturation Current @ 10%7 A | Saturation Current @ 30%18 A | DC Resistance3.5 mΩ | Self Resonant Frequency70 MHz | MaterialSuperflux | Packaging Unit700 | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 10.2 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.2 µH | Performance Rated Current10.2 A | Saturation Current @ 10%5.6 A | Saturation Current @ 30%13 A | DC Resistance11.4 mΩ | Self Resonant Frequency52 MHz | MaterialSuperflux | Packaging Unit1000 | –Check availability | |||
| SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 19.4 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.2 µH | Performance Rated Current19.4 A | Saturation Current @ 10%8 A | Saturation Current @ 30%18 A | DC Resistance5.7 mΩ | Self Resonant Frequency40 MHz | MaterialSuperflux | Packaging Unit400 | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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