| Topology | Buck Converter | 
| Input voltage | 40 V | 
| Output 1 | 12 V | 
LTC4125 Driving a 24μH Transmit Coil at 103kHz, 119kHz Frequency Limit and 41.5°C Transmit CoilSurface Temperature Limit in a Wireless Power System with LT3652HV as a 1A Single Cell LiFePO4(3.6V Float) Battery Charger at the Receiver
Input Supply Voltage Regulation Loop for PeakPower Tracking in (MPPT) Solar ApplicationsWide Input Voltage Range: 4.95V to 34V (40V Abs Max)Programmable Charge Rate Up to 2AUser Selectable Termination: C/10 or On-BoardTermination TimerResistor Programmable Float Voltage Up to 18VAccommodates 4-Cell Li-Ion/Polymer, 5-CellLiFePO4, Lead-Acid ChemistriesParallelable for Higher Output Current1MHz Fixed Frequenc 0.5% Float Voltage Reference Accuracy5% Charge Current Accuracy2.5% C/10 Detection AccuracyBinary-Coded Open-Collector Status PinsThermally Enhanced 3mm × 3mm DFN and MSEPackages
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L  (µH)  | IRP,40K (A)  | RDC max. (mΩ)  | fres (MHz)  | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]()  | 7447779122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 22 | 2.45 | 110 | 17 | 7345 | Robust | 
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
![]()  | 7447779122 | SPEC | 
| Samples | 
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L  (µH)  | IRP,40K (A)  | RDC max. (mΩ)  | fres (MHz)  | Size | Version | Samples | 
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