Analog Devices LT3971IDD-3.3#TRPBF DC DC Switching Regulators
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1.2A 10-WFDFN Exposed Pad
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT3971IDD-3.3#TRPBF
Detailed Description
IC REG BUCK 3.3V 1.2A 10DFN
Package
10-WFDFN Exposed Pad
Key Features
Package / Case: 10-WFDFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LT3971IDD-3.3#TRPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT3971IDD-3.3#TRPBF DC DC Switching Regulators technical specifications.
General
RoHS
Yes
Package / Case
10-WFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
38V
Output Current
1.2A
Switching Frequency
200kHz ~ 2MHz
Number of Outputs
1
Related Parts Comparison (LT3971IDD-3.3#TRPBF vs LT3684EDD#TRPBF vs LT8609AEDDM#PBF vs LT3686IDD#TRPBF)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount, Wettable Flank | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Switching Frequency | 200kHz ~ 2MHz | 300kHz ~ 3MHz | 200kHz ~ 2.2MHz | 300kHz ~ 2.5MHz |
| Lifecycle Status | Active | Active | Active | Active |
| Max Input Voltage | 38V | 34V | 42V | 37V |
| Min Input Voltage | 4.3V | 3.6V | 3V | 3.6V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1.2A | 2A | 3A | 1.2A |
| Output Type | Fixed | Adjustable | Adjustable | Adjustable |
| Output Voltage | 3.3V | 1.265V | 0.782V | 0.8V |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1.2A 12-VDFN Exposed Pad
More Parts in DC DC Switching Regulators
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LT3684EDD#TRPBFAnalog DevicesBuck Switching Regulator IC Positive Adjustable 1.265V 1 Output 2A 10-WFDFN Exposed Pad
LT8609AEDDM#PBFAnalog DevicesStep-down type Adjustable 0.782V~42V 3V~42V 3A DFN-10(3x3) DC-DC Converters
LT3686IDD#TRPBFAnalog DevicesBuck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1.2A 10-WFDFN Exposed Pad