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LTC3878EGN#TRPBF /SSOP-16/Analog Devices Inc / MCUs
The LTC®3878 is a synchronous step-down switching DC/DC controller
optimized for high switching frequency and fast transient response.
The constant on-time valley current mode architecture allows for a
wide input range, including very lowduty factoroperation.Noexternal
sense resistor or slope compensation is required. The LTC3878 is
pin compatible with the LTC1778 in applications that do not use
EXTVCC while offering better efficiency. Consult with the factory
to verify compatibility.
Operating frequency is set by an external resistor and compensated
for variations in VIN to offer excellent line stability.
Discontinuous mode operation provides high efficiency during light
load conditions. A forced continuous control pin allows the user to
reduce noise and RF interference. Safety features include output
overvoltage protection and programmable current limit with
foldback. Soft-startcapabilityforsupplysequencingis accomplished
through an external timing capacitor. The current limit is user
programmable.
The LTC3878 allows operation from 4V to 38V at the input and from
0.8V to 90% VIN at the output. The LTC3878 is available in a small
16-pin narrow SSOP package.
| Product Attribute | Attribute Value |
|---|---|
| Analog Devices Inc. | |
| Product Category: | Switching Voltage Regulators |
| SMD/SMT | |
| SSOP-16 | |
| Buck | |
| 800 mV to 34.2 V | |
| 25 A | |
| 1 Output | |
| 4 V | |
| 38 V | |
| 18 uA | |
| 2 MHz | |
| - 40 C | |
| + 85 C | |
| LTC3878 | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Brand: | Analog Devices |
| Development Kit: | DC1292A |
| Height: | 1.75 mm |
| Input Voltage: | 4 V to 38 V |
| Load Regulation: | - 0.05 % |
| Operating Supply Current: | 1.5 mA |
| Product Type: | Switching Voltage Regulators |
| Shutdown: | Shutdown |
| Factory Pack Quantity: | 2500 |
| Subcategory: | PMIC - Power Management ICs |
| Type: | Step-Down Controller |
| Unit Weight: | 0.002800 oz |
