LTC3857EUH#PBF High Input Voltage Buck Regulators by Analog Devices
| Status: | Production |
|---|---|
| Series: | LTC3857 |
| RoHS: | Compliant |
Features
| Low Operating IQ: 50μA (One Channel On) |
| Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V |
| Wide VIN Range: 4V to 38V (40V Abs Max) |
| RSENSE or DCR Current Sensing |
| Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise |
| OPTI-LOOP® Compensation Minimizes COUT |
| Phase-Lockable Frequency (75kHz-850kHz) |
| Programmable Fixed Frequency (50kHz-900kHz) |
| Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads |
| Selectable Current Limit |
| Very Low Dropout Operation: 99% Duty Cycle |
| Adjustable Output Voltage Soft-Start or Tracking |
| Power Good Output Voltage Monitors |
| Output Overvoltage Protection |
| Low Shutdown IQ : <8μA |
| Internal LDO Powers Gate Drive from VIN or EXTVCC |
| No Current Foldback During Start-up |
| 5mm × 5mm QFN Package |
Alternative Descriptions
| Dc/Dc Ctrl, Sync Buck, 900Khz, 125Deg C | Newark Electronics |
| DC/DC CTRL, SYNC BUCK, 900KHZ, 125DEG C | element14 |
| L IQ, 2x, 2-PhSync Buck Cntr | Analog Devices |
| POWER MANAGEMENT IC | Richardson RFPD |
LTC3857EUH#PBF Semiconductors - ICs by Linear Technology
BUCK DUAL SYNCH 38VIN 900KHZ 32QFN
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Supply Voltage Min | 4V |
|---|---|
| Supply Voltage Max | 38V |
| No. of Outputs | 2 Output, 2Outputs |
| Duty Cycle (%) | 99.4% |
| Controller IC Case Style | QFN |
| No. of Pins | 32Pins |
| Switching Frequency | 585kHz |
| Topology | Buck (Step Down) |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 125°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 3857 |
| Operating Temperature Range | -40°C to +125°C |
| Output Voltage | 24V |
| Primary Input Voltage | 38V |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a LTC3857EUH#PBF?
Additional datasheets, footprints and schematics for LTC3857EUH#PBF are listed on our Part Details page. You can also find images and similar parts to LTC3857EUH#PBF on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for LTC3857EUH#PBF on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LTC3857EUH#PBF price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does LTC3857EUH#PBF fall under?
The LTC3857EUH#PBF is listed under High Input Voltage Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to LTC3857EUH#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 LTC3857EUH#PBF you can contact the distributor directly for product support, shipping queries etc.
Is the LTC3857EUH#PBF RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Analog Devices.
Which authorised distributors for LTC3857EUH#PBF have stock available?
Authorised distributors including Newark Electronics, element14, Farnell, Analog Devices and Richardson RFPD have stock available or on a lead time for LTC3857EUH#PBF.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for LTC3857EUH#PBF often in real-time on the comparison pages.
What if I can't find stock of LTC3857EUH#PBF?
You can fill out our help required form which you can use to request a quote for LTC3857EUH#PBF from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.