Analog Devices LT1940LEFE#PBF DC DC Switching Regulators
Buck Switching Regulator IC Positive Adjustable 1.25V 2 Output 1.4A 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT1940LEFE#PBF
Detailed Description
IC REG BUCK ADJ 1.4A DL 16TSSOP
Package
16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Key Features
Package / Case: 16-TSSOP (0.173", 4.40mm Width) Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LT1940LEFE#PBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT1940LEFE#PBF DC DC Switching Regulators technical specifications.
General
RoHS
Yes
Package / Case
16-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
7V
Output Current
1.4A
Switching Frequency
1.1MHz
Number of Outputs
2
Alternate Parts Comparison (LT1940LEFE#PBF vs LT3575IFE#PBF vs LT1765EFE-3.3#PBF vs LT1374CFE#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-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) |
| Switching Frequency | 1.1MHz | 40kHz ~ 1MHz | 1.25MHz | 500kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Function | Step-Down | Step-Up/Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 7V | 40V | 25V | 25V |
| Min Input Voltage | 3.6V | 3V | 3V | 5V |
| Number of Outputs | 2 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive or Negative, Isolation Capable | Positive | Positive |
| Output Current | 1.4A | 2.5A | 3A | 4.5A (Switch) |
| Action |
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LT1765EFE-3.3#PBFAnalog DevicesBuck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A 16-TSSOP (0.173", 4.40mm Width) Exposed Pad