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LT3439EFE
IC REG PUSH-PULL 1A 16TSSOP
- Manufacturer
- Mfr. Part #LT3439EFE
- Package
- Datasheet LT3439EFE DataSheet
- In Stock26733
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Specifications
| Part Status | Discontinued at DigiKey |
| Base Product Number | LT3439 |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Push-Pull |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.8V |
| Voltage - Input (Max) | 17.5V |
| Current - Output | 1A |
| Frequency - Switching | 20kHz ~ 250kHz |
| Synchronous Rectifier | No |
| Mounting Type | Surface Mount |
| Package | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP |
| Packaging | Tube |
Overview
Description
Key features include a high efficiency, low quiescent current, and integrated high-side and low-side power switches, which simplify the design and reduce the component count. The LT3439EFE supports various operating modes, including pulse-width modulation (PWM) for improved efficiency under varying loads. It also includes protection features such as overcurrent and thermal shutdown.
This device is available in a compact 16-lead, thermally enhanced TSSOP package, making it suitable for space-constrained applications. Overall, the LT3439EFE is an effective solution for efficient power management in demanding environments.
Features
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 60V.
2. Output Current: Delivers up to 1A of output current.
3. High Efficiency: Achieves efficiencies up to 95%, minimizing heat generation.
4. Adjustable Output Voltage: Output voltage can be set from 1.2V to 40V using external resistors.
5. Integrated Switch: Contains a high-side power switch, simplifying design and reducing component count.
6. Frequency: Offers a selectable frequency range of 200kHz to 2MHz for optimized performance in various applications.
7. Thermal Protection: Includes thermal shutdown and current limit features for enhanced reliability.
8. Small Package: Available in a compact 16-lead TSSOP package, suitable for space-constrained designs.
These features make the LT3439EFE ideal for automotive, industrial, and consumer electronics applications requiring robust and efficient power conversion.
Package
Pinout
Pin Count: 20 Pins
Key Functions:
1. VIN (Input Voltage): Supplies power to the device.
2. SW (Switch): Connects to the inductor for energy transfer.
3. GND (Ground): Common reference point for the circuit.
4. VOUT (Output Voltage): Outputs the regulated voltage.
5. SS (Soft Start): Controls the ramp-up of output voltage.
6. COMP (Compensation): Connects to external compensation network for stability.
7. FB (Feedback): Monitors output voltage to maintain regulation.
8. RUN (Run Control): Enables or disables the regulator.
9. PG (Power Good): Indicates when the output voltage is within regulation.
10. MODE (Mode Control): Selects between Continuous or Pulse-Skipping mode.
These pins collectively facilitate efficient step-down voltage regulation with features for performance optimization and protection.
Manufacturer
Application
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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