LTC3873ETS8#TRMPBF
DC/DC Controller, Boost, 8.8 to 75V Supply, 1 Output, 78% Duty Cycle, 200kHz, TSOT-23-8
| Manufacturer | ANALOG DEVICES |
|---|---|
| Manufacturer Part No | LTC3873ETS8#TRMPBFCopy |
| Manufacturer Standard Lead Time | 12 weeks |
| Order Code | Re-Reel4033880RL Cut Tape4033880 |
| Your Part Number | |
| Technical Datasheet |
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| Packaging Type | Quantity | Unit Price: | Total |
|---|---|---|---|
| Cut Tape | 1 | $8.000 | $8.00 |
| Quantity | Price (Incl GST) |
|---|---|
| 1+ | $8.000 ($9.200) |
| 10+ | $6.060 ($6.969) |
| 25+ | $5.580 ($6.417) |
| 100+ | $5.050 ($5.8075) |
| 250+ | $4.790 ($5.5085) |
| 500+ | $4.710 ($5.4165) |
Product Information
| Manufacturer | ANALOG DEVICES |
|---|---|
| Manufacturer Part No | LTC3873ETS8#TRMPBFCopy |
| Manufacturer Standard Lead Time | 12 weeks |
| Order Code | Re-Reel4033880RL Cut Tape4033880 |
| Technical Datasheet | |
| Control Mode | Current Mode Control |
| Supply Voltage Min | 8.8V |
| Supply Voltage Max | 75V |
| No. of Outputs | 1Outputs |
| Duty Cycle (%) | 78% |
| IC Case / Package | TSOT-23 |
| No. of Pins | 8Pins |
| Switching Frequency | 200kHz |
| Topology | Boost, Flyback, SEPIC |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Qualification | - |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (04-Feb-2026) |
| Automotive Qualification Standard | - |
| Controller IC Case Style | TSOT-23 |
| No. of Outputs | 1 Output |
Product Overview
LTC3873 is a constant frequency current mode, boost, flyback or SEPIC DC/DC controller that drives an N-channel power MOSFET in high input and output voltage converter applications. Soft-start can be programmed using an external capacitor. It provides ±1.5% output voltage accuracy and consumes only 300μA quiescent current during normal operation and only 55μA during micropower start-up. Using a 9.3V internal shunt regulator, this device can be powered from a high input voltage through a resistor or it can be powered directly from a low impedance DC voltage of 9V or less. It is widely used in applications such as telecom power supplies, 42V and 12V automotive power supplies, portable electronic equipment etc.
- VIN and VOUT limited only by external components
- Adjustable current limit, current sense resistor optional
- Current mode operation for excellent line and load transient response
- Shutdown current is 55μA typ at (VRUN/SS = 0V, TA = 25°C, VCC = 9V)
- Oscillator frequency is 200KHz typ at (TA = 25°C, VCC = 9V)
- Gate drive rise / fall time is ±40ns
- Maximum duty cycle is 78% typ at (TA = 25°C, VCC = 9V)
- Undervoltage lockout threshold is 8.4V typ at (TA = 25°C, VCC = 9V)
- Operating temperature range from -40°C to 85°C
- Package style is 8-lead plastic TSOT-23
Notes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Technical Specifications
| Control Mode | Current Mode Control |
|---|---|
| Supply Voltage Max | 75V |
| Duty Cycle (%) | 78% |
| No. of Pins | 8Pins |
| Topology | Boost, Flyback, SEPIC |
| Operating Temperature Max | 85°C |
| Qualification | - |
| SVHC | No SVHC (04-Feb-2026) |
| Controller IC Case Style | TSOT-23 |
| Supply Voltage Min | 8.8V |
|---|---|
| No. of Outputs | 1Outputs |
| IC Case / Package | TSOT-23 |
| Switching Frequency | 200kHz |
| Operating Temperature Min | -40°C |
| Product Range | - |
| MSL | MSL 1 - Unlimited |
| Automotive Qualification Standard | - |
| No. of Outputs | 1 Output |
Technical Docs (1)
Legislation and Environmental
| Country of Origin: Country in which last significant manufacturing process was carried outCountry of Origin: | Malaysia Country in which last significant manufacturing process was carried out |
|---|---|
| Tariff No: | 85423990 |
| US ECCN: | EAR99 |
| EU ECCN: | NLR |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | No SVHC (04-Feb-2026) |
| Download Product Compliance Certificate | Product Compliance Certificate |
| Weight (kg): | .000001 |