LTC3830ES#PBF
ActiveHIGH POWER STEP-DOWN SYNCHRONOUS DC/DC CONTROLLERS FOR LOW VOLTAGE OPERATION
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LTC3830ES#PBF
ActiveHIGH POWER STEP-DOWN SYNCHRONOUS DC/DC CONTROLLERS FOR LOW VOLTAGE OPERATION
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Technical Specifications
Parameters and characteristics for this part
| Specification | LTC3830ES#PBF |
|---|---|
| Clock Sync | False |
| Control Features | Enable, Soft Start, Frequency Control, Current Limit |
| Duty Cycle (Max) | 95 % |
| Frequency - Switching | 200 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 16-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 16-SO |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 8 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 3 V |
LTC3830 Series
High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation
| Part | Output Configuration | Operating Temperature [Max] | Operating Temperature [Min] | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Supplier Device Package | Synchronous Rectifier | Function | Mounting Type | Duty Cycle (Max) | Output Type | Number of Outputs | Package / Case | Package / Case [x] | Package / Case [y] | Topology | Control Features | Clock Sync | Frequency - Switching | Output Phases |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Analog Devices | Positive | 85 °C | -40 °C | 3 V | 8 V | 16-SO | Step-Down | Surface Mount | 95 % | Transistor Driver | 1 | 16-SOIC | 0.154 in | 3.9 mm | Buck | Current Limit Enable Frequency Control Soft Start | 200 kHz | 1 | ||
Analog Devices | Positive | 85 °C | -40 °C | 3 V | 8 V | 8-SO | Step-Down | Surface Mount | 95 % | Transistor Driver | 1 | 8-SOIC | 0.154 in | 3.9 mm | Buck | Current Limit Enable Frequency Control Soft Start | 200 kHz | 1 |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 100 | $ 5.61 | |
Description
General part information
LTC3830 Series
The LTC3830/LTC3830-1 are high power, high efficiency switching regulator controllers optimized for 3.3V-5V to 1.xV-3.xV step-down applications. A precision internal reference and feedback system provide ±1% output regulation over temperature, load current and line voltage variations. The LTC3830/LTC3830-1 use a synchronous switching architecture with N-channel MOSFETs. Additionally, the chip senses output current through the drain-source resistance of the upper N-channel FET, providing an adjustable current limit without a current sense resistor.The LTC3830/LTC3830-1 operate with an input supply voltage as low as 3V and with a maximum duty cycle of >91% over temperature. They include a fixed frequency PWM oscillator for low output ripple operation. The 200kHz free-running clock frequency can be externally adjusted or synchronized with an external signal from 100kHz to 500kHz. In shutdown mode, the LTC3830 supply current drops to <10µA. The LTC3830-1 differs from the LTC3830 S8 version by replacing shutdown with a soft-start function.For a similar, pin compatible DC/DC converter with an output voltage as low as 0.6V, please refer to theLTC3832.ApplicationsCPU Power SuppliesMultiple Logic Supply GeneratorDistributed Power ApplicationsHigh Efficiency Power Conversion
Documents
Technical documentation and resources