Images are for reference only
LMR33640DDDAR
IC REG BUCK ADJ 4A 8SOPWR
- Manufacturer
- Mfr. Part #LMR33640DDDAR
- Package
- Datasheet
- In Stock6219
100% Original & New
24 Hours ready to ship
365 Days Warranty
RFQ & Get more Discounts
Specifications
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.8V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 24V |
| Current - Output | 4A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad |
| Base Product Number | LMR33640 |
Overview
Description
Key features include a low quiescent current for enhanced efficiency, a compact package (HTQFN-16) for space-constrained designs, and built-in protections such as overcurrent, overtemperature, and undervoltage lockout. Its high switching frequency allows for smaller external components, further aiding in reducing the overall solution size.
The LMR33640DDDA is ideal for applications requiring robust performance, such as point-of-load regulation, battery management systems, and power supplies for microcontrollers and sensors. Overall, it provides a reliable and efficient power management solution with a focus on ease of use and flexibility in design.
Features
- Input Voltage Range: 4.5V to 36V, suitable for a wide range of power sources.
- Output Current: Up to 3A, enabling robust performance in demanding applications.
- Efficiency: Up to 95%, minimizing heat generation and improving thermal management.
- Switching Frequency: Adjustable up to 1MHz, allowing for optimization of inductor size and component placement.
- Integrated FETs: Reduces external component count and board space.
- Output Voltage: Adjustable down to 0.8V with an external resistor divider.
- Thermal Protection: Built-in features to prevent overheating and ensure reliability.
- Package: Available in a DDA (HTQFP) package, facilitating easy PCB integration.
These features make the LMR33640DDDAR suitable for automotive, industrial, and consumer electronics applications where efficiency and compact design are critical.
Package
Pinout
Key pin functions include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switching node, connects to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation node for stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. SS (Pin 6): Soft-start control to limit inrush current.
7. EN (Pin 7): Enable pin for turning the regulator on/off.
8. PG (Pin 8): Power good indicator.
9. RT (Pin 9): Frequency setting resistor.
10. ISEN+ / ISEN- (Pins 10 & 11): Current sensing.
11. NC (Pins 12-16): No connect; not internally connected.
This IC is designed for high efficiency and compact size, making it suitable for various applications.
Manufacturer
Application
Equivalent
1. LMR33630 - Similar specifications with slightly different output current capabilities.
2. LM2596 - A popular and widely used buck converter, though it may have different efficiency.
3. TPS563201 - Another efficient step-down converter with comparable features.
Ensure to check specific parameters like voltage, current ratings, and package types for compatibility.
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
Similar
-
MX25V5126FM1I
Macronix
-
MX25V16066M1I02
Macronix
-
MX25L8035EM2I-10G
Macronix
-
MX25L25673GMI-08G
Macronix
-
MX25L25673GMI-10G
Macronix
-
MX29GL512FHXFI-11..
Macronix
-
MX25L6433FM2I-08G
Macronix
-
MX25L12833FZ2I-10..
Macronix
-
MX25U25645GXDI00
Macronix
-
MX25L12835FZ2I-10..
Macronix
-
MX30LF4G18AC-TI
Macronix
-
MX25L1006EMI-10G
Macronix