MFG:Linear Technology Category:Integrated Circuits (ICs) Package Cooled:QFN-36 D/C:07+
LTC3728L, LTC3728LCG, LTC3728LCGN Datasheet download
Category: Integrated Circuits (ICs)
MFG: Linear Technology
Package Cooled: QFN-36
D/C: 07+
Description: IC REG SW DUAL 2PH STPDWN 28SSOP
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PDF/DataSheet Download
Datasheet: LTC3728LCGN
File Size: 684994 KB
Manufacturer: LINER [Linear Technology]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LTC3728LCGN
File Size: 684994 KB
Manufacturer: LINER [Linear Technology]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LTC3728LCGN
File Size: 684994 KB
Manufacturer: LINER [Linear Technology]
Download : Click here to Download
The LTC® 3728L/LTC3728LX are dual high performance step-down switching regulator controllers that drive all N-channel synchronous power MOSFET stages. A con-stant frequency current mode architecture allows phase-lockable frequency of up to 550kHz. Power loss and noisedue to the ESR of the input capacitors are minimized byoperating the two controller output stages out of phase.
OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The precision 0.8Vreference and power good output indicator are compatible with future microproces-sor generations, and a wide 4.5V to 28V (30V maximum) input supply range encompasses all battery chemistries.
A RUN/SS pin for each controller provides both soft-start and optional timed, short-circuit shutdown. Current foldback limits MOSFET dissipation during short-circuit conditions when overcurrent latchoff is disabled. Output overvoltage protection circuitry latches on the bottom MOSFET until VOUT returns to normal. The FCB mode pin can select among Burst Mode, constant frequency mode and continuous inductor current mode or regulate asecondary winding. The LTC3728L/LTC3728LX include a power good output pin that indicates when both outputs are within 7.5% of their designed set point.
| Technical/Catalog Information | LTC3728LCGN |
| Vendor | Linear Technology |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 2 |
| Voltage - Input | 4.5 ~ 28 V |
| Voltage - Output | 0.8 ~ 7 V |
| Current - Output | 3A |
| Power - Output | - |
| Package / Case | 28-SSOP |
| Packaging | Tube |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | 0°C ~ 85°C |
| Frequency - Switching | 250kHz ~ 550kHz |
| Drawing Number | 161; 05-08-1641; GN; 16 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | LTC3728LCGN LTC3728LCGN |
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