Analog Devices LTC1649CS DC DC Switching Controllers
Buck Regulator Positive Output Step-Down DC-DC Controller IC 16-SO
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC1649CS
Detailed Description
IC REG CTRLR BUCK 16SOIC
Package
16-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 16-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC1649CS Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC1649CS DC DC Switching Controllers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
2.7V ~ 5V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
200kHz
Number of Outputs
1
Topology
Buck
Control Features
Current Limit, Enable, Soft Start
Alternate Parts Comparison (LTC1649CS vs LTC1159IS#PBF vs LTC1159IS#TRPBF vs LTC1149CS#PBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 2.7V ~ 5V | 4V ~ 40V | 4V ~ 40V | Up ~ 48V |
| Switching Frequency | 200kHz | Up to 250kHz | Up to 250kHz | Up to 250kHz |
| Clock Sync | No | No | No | No |
| Control Features | Current Limit, Enable, Soft Start | Current Limit, Enable | Current Limit, Enable | Current Limit, Enable |
| Duty Cycle Max | 93% | 100% | 100% | 100% |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive or Negative | Positive or Negative | Positive |
| Output Phases | 1 | 1 | 1 | 1 |
| Action |
More Parts in DC DC Switching Controllers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LTC1159IS#PBFAnalog DevicesBuck Regulator Positive or Negative Output Step-Down DC-DC Controller IC 16-SO
LTC1159IS#TRPBFAnalog DevicesBuck Regulator Positive or Negative Output Step-Down DC-DC Controller IC 16-SO
LTC1143LCS#TRPBFAnalog DevicesBuck, Buck-Boost Regulator Positive Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 16-SO