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LM25575MHX
IC REG BUCK ADJ 1.5A 16HTSSOP
- Fabricant
- Mfr. Partie #LM25575MHX
- Paquet 16-HTSSOP
- Fiche de données
- En stock6787
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 6V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 1.225V |
| Voltage-Output(Max) | 40V |
| Current-Output | 1.5A |
| Frequency-Switching | 50kHz ~ 1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerTSSOP (0.173, 4.40mm Width) |
Vue d'ensemble
Description
Key features of the LM25575MHX include a wide input voltage range (up to 42V), a fixed 1.5A output current, and a switching frequency adjustable up to 1 MHz, allowing for compact design and efficient operation. It also includes a range of protective features such as thermal shutdown, cycle-by-cycle current limiting, and under-voltage lockout, which enhance the reliability and safety of the device.
Typically used in industrial, automotive, and communications equipment, the LM25575MHX is valued for its high efficiency and ease of use in compact designs. It is available in an HTSSOP package, which provides a balance between thermal performance and space utilization.
Features
1. Wide Input Voltage Range: It supports a broad input voltage range from 6 V to 42 V, making it suitable for various industrial and automotive applications.
2. Adjustable Output Voltage: The device can be configured to provide an adjustable output voltage, typically from 1.225 V to 40 V, allowing flexibility for different application requirements.
3. High Efficiency: Delivers high efficiency, often exceeding 90%, thanks to its synchronous rectification and advanced switching techniques.
4. Current Mode Control: Utilizes current mode control for fast transient response and easy loop compensation.
5. Integrated Features: Includes an integrated high-side MOSFET to minimize component count and simplify design.
6. Protection Features: Offers several protection mechanisms, including cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout, enhancing reliability and safety.
7. Adjustable Switching Frequency: The switching frequency can be set from 50 kHz to 1 MHz, providing flexibility in optimizing size and performance.
8. Package: Available in a thermally enhanced 20-pin HTSSOP package, suitable for compact PCB layouts.
These features make the LM25575MHX a versatile choice for efficient power conversion in various electronic systems.
Package
Pinout
The LM25575 typically has 16 pins. Key functions of these pins include:
1. Vin: Input voltage pin.
2. SW: Switch node - connects to the inductor.
3. BST: Bootstrap pin - helps drive the gate of the internal high-side switch.
4. UVLO: Under-voltage lockout programming pin.
5. RT/SD: Allows setting of the switching frequency and shutdown control.
6. COMP: Compensation network pin for stability adjustments.
7. FB: Feedback pin for setting output voltage.
8. RCL: Current limit programming pin.
9. SS: Soft-start control pin.
10. EN: Enable pin for turning the regulator on or off.
11. VCC: Internal regulator output pin.
12. SYNC: Synchronization pin for frequency synchronization.
13. AGND: Analog ground.
14. PGND: Power ground.
These functions facilitate the conversion of a higher input voltage to a lower, regulated output voltage with high efficiency, suitable for various applications.
Manufacturer
Application
Equivalent
1. LM2596 - Another buck regulator by Texas Instruments.
2. LMR33630 - A step-down regulator also from TI.
3. LT3500 - A switching regulator from Analog Devices.
4. MP2307 - A buck converter from Monolithic Power Systems.
5. MC34063 - A versatile switching regulator from ON Semiconductor.
These alternatives may differ in specifications, so verify compatibility with your requirements.
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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