LM25117 Synchronous Buck Controllers

Texas Instruments LM25117 Synchronous Buck Controllers are intended for step-down regulator applications from a high voltage or widely varying input supply. The control method is based upon current mode control utilizing an emulated current ramp. TI LM25117 Synchronous Buck Controllers drive external high-side and low-side NMOS power switches with adaptive dead-time control. A user-selectable diode emulation mode enables discontinuous mode operation for improved efficiency at light load conditions. Efficiency is further improved by a high voltage bias regulator that allows external bias supply. LM25117 provides a unique analog telemetry feature that offers average output current information. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit, and adjustable line undervoltage lockout.

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Texas Instruments Switching Controllers Wide Input Range Syn c Buck Cntlr A 926- A 926-LM25117PMHE/NOPB
Datasheet
512In Stock
$8.57
$6.56
$5.83
$5.43
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Min.: 1
Mult.: 1
Buck 2 Output 50 kHz to 750 kHz 50 % 800 mV to 41 V 20 A - 40 C + 125 C SMD/SMT HTSSOP-20 Tube

Texas Instruments Switching Controllers Wide Input Range Non -Sync Buck Cntlr A A 926-LM25117PMH/NOPB
Datasheet
1,014In Stock
Cut Tape
$7.63
$5.82
$5.37
$4.87
Reel
$4.62
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MouseReel Available
Min.: 1
Mult.: 1
: 250
Buck 1 Output 50 kHz to 750 kHz 50 % 800 mV to 41 V 20 A - 40 C + 125 C SMD/SMT HTSSOP-20 Reel, Cut Tape, MouseReel

Texas Instruments Switching Controllers 4.5-42V Wide Vin Cu rrent Mode Synchrono A 926-LM25117PMHE/NOPB
Datasheet
1,966In Stock
Cut Tape
$6.94
$5.28
$4.87
$4.42
View
Reel
$3.96
MouseReel Available
Min.: 1
Mult.: 1
: 2,500
Buck 1 Output 50 kHz to 750 kHz 50 % 800 mV to 41 V 20 A - 40 C + 125 C SMD/SMT HTSSOP-20 Reel, Cut Tape, MouseReel
Texas Instruments Switching Controllers Wide Inp Range Sync Buck Controller A 92 A 926-LM25117PSQ/NOPB
Datasheet
261In Stock
Cut Tape
$8.31
$6.32
$5.83
$5.28
Reel
$5.02
View
MouseReel Available
Min.: 1
Mult.: 1
: 250
Buck 1 Output 50 kHz to 750 kHz 50 % 800 mV to 41 V 20 A - 40 C + 125 C SMD/SMT WQFN-24 Reel, Cut Tape, MouseReel