LT8640SEV#PBF High Input Voltage Buck Regulators by Analog Devices

Status: Production
Series: LT8640S
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The LT8640S/LT8643S synchronous step-down regulator features second generation Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at high switching frequencies. This includes the integration of bypass capacitors to optimize all the fast current loops inside and make it easy to achieve advertised EMI performance by reducing layout sensitivity. This performance makes the LT8640S/LT8643S ideal for noise-sensitive

Where to Buy

Prices starting from US$5.48

Distributor Stock
Logo for Newark Electronics
Newark Electronics
from US$8.92
1,071
in stock
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Logo for element14
element14
from US$7.77
1,071
in stock
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Logo for Farnell
Farnell
from US$7.27
1,071
in stock
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Logo for Richardson RFPD
Richardson RFPD
from US$7.08
-
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Logo for Analog Devices
Analog Devices
from US$5.48
-
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Features

Silent Switcher ®2 Architecture
Ultralow EMI Emissions on Any PCB
Eliminates PCB Layout Sensitivity
Internal Bypass Capacitors Reduce Radiated EMI
Optional Spread Spectrum Modulation
High Efficiency at High Frequency
Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT
Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT
Wide Input Voltage Range: 3.4V to 42V
6A Maximum Continuous, 7A Peak Output
Ultralow Quiescent Current Burst Mode® Operation
2.5μA IQ Regulating 12VIN to 3.3VOUT (LT8640S)
Output Ripple < 10mVP-P
External Compensation: Fast Transient Response and Current Sharing (LT8643S)
Fast Minimum Switch On-Time: 30ns
Low Dropout Under All Conditions: 100mV at 1A
Forced Continuous Mode
Adjustable and Synchronizable: 200kHz to 3MHz
Output Soft-Start and Tracking
Small 24-Lead 4mm × 4mm LQFN Package
AEC-Q100 Qualified for Automotive Applications

Alternative Descriptions

Dc/Dc Conv, Sync Buck, 1.95Mhz, 125Deg C | Newark Electronics
DC/DC CONV, SYNC BUCK, 1.95MHZ, 125DEG C | element14
DC TO DC CONVERTER | Richardson RFPD
42V, 6A Sync Buck Silent Switc | Analog Devices


LT8640SEV#PBF Semiconductors - ICs by Linear Technology

DC/DC CONV SYNC BUCK 42V LQFN-24

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 3.4V
Input Voltage Max 42V
No. of Outputs 1Outputs
DC / DC Converter IC Case LQFN
No. of Pins 24Pins
Output Current 6A
Output Voltage Min 970mV
Output Voltage Max 41.58V
Switching Frequency 3MHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (15-Jan-2018)

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LT8640SEV#PBF?

Additional datasheets, footprints and schematics for LT8640SEV#PBF are listed on our Part Details page. You can also find images and similar parts to LT8640SEV#PBF on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for LT8640SEV#PBF on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LT8640SEV#PBF price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LT8640SEV#PBF fall under?

The LT8640SEV#PBF is listed under High Input Voltage Buck Regulators.

Can I view similar or alternative parts?

You can view similar parts to LT8640SEV#PBF when available in the High Input Voltage Buck Regulators range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the LT8640SEV#PBF you can contact the distributor directly for product support, shipping queries etc.

Is the LT8640SEV#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for LT8640SEV#PBF have stock available?

Authorised distributors including Newark Electronics, element14, Farnell, Richardson RFPD and Analog Devices have stock available or on a lead time for LT8640SEV#PBF.

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