Analog Devices LTC3728LEGN-1 DC DC Switching Controllers
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-SSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC3728LEGN-1
Detailed Description
IC POWER MANAGEMENT
Package
28-SSOP (0.154", 3.90mm Width)
Key Features
Package / Case: 28-SSOP (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LTC3728LEGN-1 Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC3728LEGN-1 DC DC Switching Controllers technical specifications.
General
Package / Case
28-SSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
4.5V ~ 28V
Lifecycle Status
Obsolete
Output Type
Transistor Driver
Switching Frequency
260kHz ~ 550kHz
Number of Outputs
2
Topology
Buck
Control Features
Enable, Power Good, Soft Start
Alternate Parts Comparison (LTC3728LEGN-1 vs LTC3823EGN#TRPBF vs LTC3823IGN#PBF vs LTC3850EGN-1#TRPBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-SSOP | 28-SSOP | 28-SSOP | 28-SSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 4.5V ~ 28V | 4.5V ~ 36V | 4.5V ~ 36V | 4V ~ 24V |
| Clock Sync | No | No | No | No |
| Control Features | Enable, Power Good, Soft Start | Enable, On Time Control, Power Good, Soft Start, Tracking | Enable, On Time Control, Power Good, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Duty Cycle Max | 99.4% | 90% | 90% | 97.2% |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Number of Outputs | 2 | 1 | 1 | 2 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 1 | 1 | 2 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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