Product Details
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DESCRIPTION The LTM? 4603HV is a complete 6A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The μModuleTM is housed in a small surface mount 15mm × 15mm ×2.8mm LGA package. Operating over an input voltage range of 4.5 to 28V, the LTM4603HV supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to complete the design. FEATURES ■ Complete Switch Mode Power Supply ■ Wide Input Voltage Range: 4.5V to 28V ■ 6A DC Typical, 8A Peak Output Current ■ 0.6V to 5V Output Voltage ■ Output Voltage Tracking and Margining ■ Remote Sensing for Precision Regulation ■ Typical Operating Frequency: 1MHz ■ PLL Frequency Synchronization ■ 1.5 Regulation ■ Current Foldback Protection (Disabled at Start-Up) ■ Pin Compatible with the LTM4601/LTM4601HV/LTM4603 ■ Ultrafast Transient Response ■ Current Mode Control ■ Up to 93 Effi ciency at 5VIN, 3.3VOUT ■Programmable Soft-Start ■ Output Overvoltage Protection ■ Pb-Free (e4) RoHS Compliant Package with Gold Finish Pads ■ Small Footprint, Low Profi le (15mm × 15mm × 2.8mm) Surface Mount LGA Package APPLICATIONS ■ Telecom and Networking Equipment ■Servers ■Industrial Equipment ■ Point of Load Regulation |
Product Description
| Type | Description |
| ANSC PART# | ANSC- LT3837EFE#PBF |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| DC DC Switching Controllers | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tube |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Flyback |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 20V |
| Frequency - Switching | 100kHz |
| Duty Cycle (Max) | 88% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Serial Interfaces | - |
| Control Features | Enable, Frequency Control, On Time Control |
| Operating Temperature |
-40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP |
| Base Product Number | LT3837 |
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Product datasheet
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