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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 7-72 V |
| Switching frequency | 50-900 kHz |
| Output 1 | -12 V / 5 A |
Description
The LTC®3896 is a high performance inverting DC/DCswitching regulator controller that drives an all N-channelsynchronous power MOSFET stage. It converts a widerangingpositive input voltage source to a regulated negativeoutput that can be as much as 60V below ground. Theinput can operate from a voltage as low as 4V and as highas 140V – |VOUT–|.The LTC3896 contains tru
Features
Wide VIN + |VOUT–| Range: 4V to 140V (150V Abs Max)nn Wide Output Voltage Range: –60V to –0.8Vnn Ground-Referenced Control / Interface Pinsnn Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)nn Integrated Bootstrap Diodenn Low Operating IQ: 40μA (Shutdown = 10μA)nn Selectable Gate Drive UVLO Thresholdsnn Onboard LDO or External NMOS LDO for DRVCCnn EXTVCC LDO Powers Drivers from Outputnn Phase-Lockable Frequency (75kHz to 850kHz)nn Programmable Fixed Frequency (50kHz to 900kHz)nn Selectable Continuous, Pulse-Skipping or Low RippleBurst Mode® Operation at Light Loadsnn Adjustable Burst Clamp and Current Limitnn Power Good Output Voltage Monitornn Programmable Input Overvoltage Lockoutnn 38-Lead TSSOP High Voltage Package
Typical applications
- Telecommunications Power Supplies
- Distributed Power Systems
- Automotive and Industrial Power Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Wire Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCF SMT High Current Inductor, 10 µH, 16.15 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | Inductance10 µH | Performance Rated Current16.15 A | Saturation Current @ 10%22 A | Saturation Current @ 30%23 A | DC Resistance8.76 mΩ | Self Resonant Frequency13 MHz | Wire TypeFlat |