Texas Instruments

Category: Power Management ICs

LM21305 3-18V, 5A, Current Mode Synchronous Buck Regulator with Adjustable Frequency

$3.42 - * $8.66
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey LM21305SQ/NOPBDKR-ND 1998 $7.47 $5.77 $5.34 $4.88 $3.99 $2.64 Buy
Arrow North American Components LM21305SQ/NOPB 0 1000 $0.00 $0.00 $0.00 $0.00 $2.90 $2.90 Buy
AVNET Asia Pacific LM21305SQ/NOPB 1000 $3.57 Buy
AVNET Europe LM21305SQ/NOPB 1000 1000 * $3.98 * $3.11 Buy
AVNET Express LM21305SQ/NOPB 19921 1 $3.24 $3.18 Buy
element14 APAC LM21305SQ/NOPB 11 1 * $8.66 * $7.82 * $7.45 * $7.30 * $7.30 * $7.30 Buy
Farnell LM21305SQ/NOPB 11 10 * $7.51 * $6.69 * $6.22 * $6.22 * $6.22 Buy
Mouser Electronics 926-LM21305SQ/NOPB 2359 1 $5.79 $4.99 $4.75 $4.49 $4.13 $4.13 Buy
Newark LM21305SQ/NOPB 276 1 $8.48 $8.11 $7.37 $7.05 $7.05 $7.05 Buy
Texas Instruments LM21305SQ/NOPB 50141 1 $5.88 $5.88 $5.88 $4.79 $3.19 $3.19 Buy
Verical Marketplace LM21305SQ/NOPB 651 2 $4.85 $4.67 $4.32 $3.99 $3.99 Buy
Win Source LM21305SQ/NOPB 13100 20 $3.81 $3.25 $3.25 $3.25 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
Approx. Price (US$) 2.50 | 1ku
Control Mode Current Mode
Duty Cycle(Max)(%) 100
Iout(Max)(A) 5
Iq(Typ)(mA) 9
Operating Temperature Range(C) -40 to 85
Package Group WQFN
Rating Catalog
Regulated Outputs(#) 1
Special Features Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification
Switching Frequency(Max)(kHz) 1500
Switching Frequency(Min)(kHz) 300
Type Converter
Vin(Max)(V) 18
Vin(Min)(V) 3
Vout(Max)(V) 0.6
Vout(Min)(V) 0.6