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LM5146QRGYTQ1
LM5146QRGYTQ1
815-LM5146QRGYTQ1
20-VFQFN Exposed Pad
20 Terminals 5.5V~100V LM5146 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 100kHz~1MHz Adjustable
In Stock : 8496
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Product Details
Purchasing and Inquiry
Description
The LM5146QRGYTQ1 100-V synchronous buck controller regulates either a high input voltage source or a high voltage transient-prone input rail, reducing the need for external surge suppression components.
Large step-down ratios are enabled by a high-side switch minimum on-time of 40 ns, allowing direct step-down conversion from a 48-V nominal input to low-voltage rails for decreased system complexity and solution cost.
The LM5146QRGYTQ1 operates at approximately 100 percent duty cycle with input voltage dips as low as 5.5 V, making it a great choice for high-performance 48-V battery automotive applications, ADAS (surround view ECU), and HEV/EV systems.
Features
? 7.5-V gate drivers for standard VTH MOSFETs
– 14-ns adaptive dead-time control
– 2.3-A source and 3.5-A sink capability
? Inherent protection features for robust design
– Adjustable output voltage soft start
– Hiccup-mode overcurrent protection
– Input UVLO with hysteresis
– VCC and gate-drive UVLO protection
– Precision enable input and open-drain PGOOD indicator for sequencing and control
– Thermal shutdown protection with hysteresis
? 20-pin VQFN package with wettable flanks
? Create a custom design using the LM5146-Q1 with WEBENCH? Power Designer
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to +125°C ambient temperature range
? Functional Safety-Capable
– Documentation available to aid functional safety system design
? Versatile synchronous buck DC/DC controller
– Wide input voltage range of 5.5 V to 100 V
– 150°C maximum junction temperature
– 0.8-V reference with ±1% feedback accuracy
– Adjustable output voltage from 0.8 V to 60 V
– 40-ns tON(min) for high VIN / VOUT ratio
– 140-ns tOFF(min) for low dropout
– Lossless RDS(on) or shunt current sensing
– Optimized for CISPR 25 Class 5 requirements
? Switching frequency from 100 kHz to 1 MHz
– SYNC In and SYNC Out capability
– Selectable diode emulation or FPWM
Applications
? HEV/EV powertrain systems
? Body electronics and lighting
? Infotainment and cluster
? High-power automotive DC/DC regulator
? Automotive motor drives, ADAS
You can send an inquiry by email, or add the item to the RFQ list and submit it to us.
Tell us the model and quantity you need, our sales staff will reply the price in time.
Email for receiving inquiries: jindawei@hkjdwchip.com
For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
3. RFQ (Request for Quotations)It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.
1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.
Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
Payment Method
| The fee is charged according to the rule of PayPal. | |
| East West Bank charge US$30.00 banking fee. | |
| The fee is charged according to the rule of PayPal. | |
| Western Union charge US$0.00 banking fee. |
Shipping
| DHL(www.dhl.com) From $40.00 basic shipping fee depend on zone and country. |
|
| UPS(www.ups.com) From $40.00 basic shipping fee depend on zone and country. |
|
| FedEx(www.fedex.com) From $40.00 basic shipping fee depend on zone and country. |
|
| Registered Mail(www.singpost.com) From $10.00 basic shipping fee depend on different zone and country. |
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LM5146QRGYTQ1
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