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LTC3310HV-1#PBF
Analog Devices Inc.
IC REG BUCK 1V 10A 18LQFN
1572 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1V 1 Output 10A 18-TFQFN Exposed Pad
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (31 Ratings)
LTC3310HV-1#PBF
Product Overview
11066103
DiGi Electronics Part Number
LTC3310HV-1#PBF-DGManufacturer
Analog Devices Inc.
LTC3310HV-1#PBF
Description
IC REG BUCK 1V 10A 18LQFNInventory
1572 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1V 1 Output 10A 18-TFQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
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LTC3310HV-1#PBF Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Tray
Series
Silent Switcher®1
Product Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Fixed
Number of Outputs
1
Voltage - Input (Min)
2.25V
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
1V
Voltage - Output (Max)
-
Current - Output
10A
Frequency - Switching
500kHz ~ 5MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
18-TFQFN Exposed Pad
Supplier Device Package
18-LQFN (3x3)
Datasheet & Documents
HTML Datasheet
LTC3310HV-1#PBF-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-2735-LTC3310HV-1#PBF
505-LTC3310HV-1#PBF
Standard Package
624
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Die Qualitätssicherung bei DiGi Electronics ist erstklassig.
de desembre 02, 2025
価格の安さだけでなく、スタッフの対応も非常に丁寧で好印象です。
de desembre 02, 2025
初めての購入でしたが、スタッフが細かく説明してくれて安心できました。
de desembre 02, 2025
DiGi Electronics consistently provides top-quality solutions.
de desembre 02, 2025
The packaging quality exceeds industry standards, ensuring safe delivery.
de desembre 02, 2025
Having access to diverse categories of educational supplies through DiGi Electronics is very convenient.
de desembre 02, 2025
The checkout process is straightforward, saving me time and reducing frustration.
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Frequently Asked Questions (FAQ)
What are the key thermal and layout considerations when designing a high-current 10A power rail with the LTC3310HV-1#PBF in a compact PCB space?
The LTC3310HV-1#PBF’s 18-LQFN (3x3) exposed pad package demands careful thermal management—ensure the exposed pad is soldered to a large, multi-layer ground plane with multiple vias to dissipate heat efficiently. Given its 10A output capability, use wide, low-impedance copper pours for input/output paths and place input/output capacitors as close as possible to minimize loop area. Poor layout can lead to excessive EMI, thermal hotspots, or voltage droop under load. Follow Analog Devices’ recommended layout guidelines in the datasheet’s ‘Layout Example’ section, especially for the SW node and feedback traces, to maintain stability and Silent Switcher®1 noise performance.
Can the LTC3310HV-1#PBF safely replace a TI TPS548D22 in a 5V-to-1V, 10A application, and what design changes are required?
While both the LTC3310HV-1#PBF and TPS548D22 support 10A output and similar input ranges (2.25V–5.5V vs. 4.5V–15V), direct replacement isn’t drop-in due to differing control architectures (voltage mode vs. current mode) and pinouts. The LTC3310HV-1#PBF requires a fixed 1V output with no external feedback resistors, whereas the TPS548D22 uses adjustable feedback. You’ll need to verify compensation network compatibility, re-layout the power stage, and confirm that your input voltage stays within the LTC3310HV-1#PBF’s 5.5V max. Also, note the LTC3310HV-1#PBF’s higher switching frequency range (up to 5MHz) may require smaller inductors but demands tighter EMI control.
How does the LTC3310HV-1#PBF’s Silent Switcher®1 architecture impact EMI performance in sensitive analog or RF systems, and what mitigation steps are still needed?
The LTC3310HV-1#PBF’s Silent Switcher®1 design significantly reduces high-frequency radiated emissions by integrating optimized gate drive symmetry and minimizing hot-loop areas. However, in noise-critical applications (e.g., RF receivers or precision ADCs), additional filtering—such as a π-filter at the input or a small ferrite bead on the output—is still recommended. Also, maintain adequate clearance between the regulator and sensitive traces, and use a solid ground plane beneath the device. Conduct pre-compliance EMI scans early in prototyping, as layout asymmetries or nearby coupling can still induce noise despite the architecture’s inherent advantages.
What reliability risks should be considered when operating the LTC3310HV-1#PBF near its maximum junction temperature of 150°C in industrial or automotive environments?
Operating the LTC3310HV-1#PBF near 150°C TJ accelerates electromigration and reduces long-term reliability, especially under continuous 10A loads. Ensure ambient temperatures stay well below 85°C and validate thermal performance with infrared imaging or embedded temperature sensors. Derate output current by at least 20% if sustained high-TJ operation is expected. Also, verify that your solder joints and PCB copper weight can handle repeated thermal cycling—MSL 3 handling requires strict moisture control during assembly to prevent popcorning. For automotive use, confirm AEC-Q100 qualification isn’t required; this part is not rated for automotive-grade qualification despite its wide temp range.
Is it safe to parallel multiple LTC3310HV-1#PBF devices to achieve higher than 10A output current, and what synchronization challenges arise?
The LTC3310HV-1#PBF does not support direct current sharing or master-slave paralleling out of the box. Attempting to parallel units without active current balancing can lead to uneven load sharing due to minor VOUT setpoint variations, causing one device to overheat. If >10A is needed, consider using a dedicated multi-phase controller instead. If paralleling is unavoidable, add ballast resistors or inductors in series with each output and synchronize their clocks using external circuitry—but this increases complexity, losses, and board area. For most applications, upgrading to a higher-current monolithic regulator (e.g., LTC3311 series) is a more robust solution than paralleling LTC3310HV-1#PBF units.
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LTC3310HV-1#PBF CAD Models
Analog Devices Inc. LTC3310HV-1#PBF PCB symbols & footprints
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