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Switching Regulators - Step Down (Buck) Products

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Product Buy Status Documents 5K Pricing Regulator Type # of Outputs Input Voltage Range (V) Output Voltage Range (V) Output Current (mA) Max Quiescent Current (mA) type Switching Frequency (kHz) Automotive Qualified Switch current (A) type Synchronous Rectifier Operating Temperature Range (°C) Automotive Rated Vfb (V) Duty Cycle Max (%) SHUTDOWN Current (µA) (Typ) Light Load Efficiency Mode Alternative Topology Packages
MIC28500 In Production
Consider: MIC28514, MIC28515
Call for pricing Step Down (Buck) 1 30 - 75 0.8 - 12 4 1.4 500 No 4 Yes -40 to 125 No 0.8 85 700 No COT Please call for package information
MIC23030 In Production $0.54 Step Down (Buck) 1 2.7 - 5.5 0.62 400 0.021 8000 Yes -40 to 125 No 0.62 0.8 0.01 Yes 6/UDFN
MIC23031 In Production $0.55 Step Down (Buck) 1 2.7 - 5.5 0.62 400 0.021 4000 Yes -40 to 125 No 0.62 0.89 0.01 Yes 6/UDFN
LM2574 In Production $0.79 Step Down (Buck) 1 4 - 40 1.23 500 5 52 No -40 to 125 No 1.23 0.98 50 No 8/PDIP
MCP1601 In Production $0.89 Step Down (Buck) 1 2.7 - 5.5 0.9 500 0.119 750 Yes -40 to 85 No 0.8 1 0.05 Yes 8/MSOP
MCP1602 In Production $0.75 Step Down (Buck) 1 2.7 - 5.5 0.8 - 4.5 500 0.045 2000 Yes -40 to 85 No 0.8 0.05 Yes 8/MSOP
8/DFN
MCP1603 In Production $0.71 Step Down (Buck) 1 2.7 - 5.5 0.8 - 4.5 500 0.045 2000 Yes -40 to 85 No 0.8 1 0.1 Yes 8/DFN
5/TSOT
MIC2245 In Production $1.02 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 500 0.71 4000 Yes -40 to 125 No 1 1 0.01 No 10/VDFN
MIC2285 In Production $1.52 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 500 0.79 8000 Yes -40 to 125 No 1 1 0.01 No 10/VDFN
MIC4574 In Production $1.44 Step Down (Buck) 1 4 - 24 1.23 500 5 200 No -40 to 85 No 1.23 0.95 50 No 8/PDIP
MCP16301 In Production $0.73 Step Down (Buck) 1 4 - 30 2 - 15 600 2 500 No -40 to 85 No 0.8 0.95 7 No 6/SOT-23
MCP16301H In Production $0.78 Step Down (Buck) 1 4.7 - 36 2 - 15 600 2 500 No -40 to 125 Yes 0.8 0.95 7 No 6/SOT-23
MIC2202 In Production $1.08 Step Down (Buck) 1 2.3 - 5.5 0.5 - 5.5 600 0.35 Yes -40 to 125 No 0.5 1 0.01 No 10/MSOP
10/VDFN
MIC2203 In Production $1.08 Step Down (Buck) 1 2.3 - 5.5 0.5 - 5.5 600 0.32 1000 Yes -40 to 125 No 0.5 1 0.01 No 10/MSOP
10/VDFN
MIC2204 In Production $1.29 Step Down (Buck) 1 2.3 - 5.5 1 - 5.5 600 0.32 2000 Yes -40 to 125 No 1 1 6 No 10/MSOP
10/VDFN
MIC2205 In Production $1.02 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 600 0.69 2000 Yes -40 to 125 No 1 1 0.1 No 10/VDFN
MIC2206 In Production $1.55 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 600 0.57 2000 Yes -40 to 125 No 1 1 0.1 No 10/VDFN
MIC2285A In Production $0.73 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 600 0.79 8000 Yes -40 to 125 No 1 1 0.01 No 10/UDFN
MIC23050 In Production $0.28 Step Down (Buck) 1 2.7 - 5.5 0.72 600 0.021 4000 Yes -40 to 125 No 0 0.89 0.01 Yes 8/VDFN
MIC23051 In Production $0.67 Step Down (Buck) 1 2.7 - 5.5 0.72 600 0.02 4000 Yes -40 to 125 No 0 0.89 0.01 Yes 8/VDFN
LM2575 In Production $1.03 Step Down (Buck) 1 4 - 40 1.23 1000 10 52 No -40 to 125 No 1.23 0.98 50 No 16/PDIP
5/TO-220
5/DDPAK
24/SOIC 300mil
MCP1612 In Production $1.10 Step Down (Buck) 1 2.7 - 5.5 0.8 - 5 1000 5 1400 Yes -40 to 85 No 0.8 1 0.01 No 8/MSOP
8/DFN
MCP16311 In Production $0.88 Step Down (Buck) 1 4.4 - 30 2 - 24 1000 0.085 500 Yes -40 to 125 Yes 0.8 0.94 3 Yes 8/MSOP
8/TDFN
MCP16312 In Production $0.88 Step Down (Buck) 1 4.4 - 30 2 - 24 1000 0.085 500 Yes -40 to 125 Yes 0.8 0.94 3 No 8/MSOP
8/TDFN
MCP16331 In Production $0.94 Step Down (Buck) 1 4.4 - 50 2 - 24 1000 1 500 No -40 to 125 Yes 0.8 0.93 6 No 6/SOT-23
8/TDFN
MIC4575 In Production $1.56 Step Down (Buck) 1 4 - 24 1.23 1000 5 200 No -40 to 85 No 1.23 0.95 50 No 5/TO-220
5/DDPAK
MIC33050 In Production $1.07 Step Down (Buck) 0 1250 0 Yes 0 0 12/VQFN
MIC4680 In Production $1.58 Step Down (Buck) 1 4 - 34 1.23 1300 7 200 No -40 to 125 No 1.23 0.97 50 No 8/SOIC
MIC4690 In Production $1.72 Step Down (Buck) 1 4 - 34 1.23 1300 7 500 No -40 to 125 No 1.23 0.93 50 No 8/SOIC
MIC2179 In Production $3.66 Step Down (Buck) 1 4.5 - 16.5 1.245 - 16.5 1500 0.6 200 Yes -40 to 85 No 1.245 1 1 Yes 20/SSOP 208mil
MIC23156 In Production $0.56 Step Down (Buck) 1 2.7 - 5.5 0.7 - 2.4 1500 0.03 3000 Yes -40 to 125 No 0 0.8 0.1 Yes 16/WLCSP
17/VQFN
MIC23158 In Production $0.92 Step Down (Buck) 2 2.7 - 5.5 0.62 - 3.3 1500 45 3000 Yes -40 to 125 No 0.62 0.9 0.1 Yes 20/VQFN
MIC23159 In Production $0.96 Step Down (Buck) 2 2.7 - 5.5 0.62 - 3.3 1500 45 3000 Yes -40 to 125 No 0.62 0.9 0.1 Yes 20/VQFN
MIC4720 In Production $0.57 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 1500 0.57 2000 No -40 to 125 No 1 1 2 No 10/MSOP
12/VDFN
MIC4721 In Production $0.47 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 1500 0.57 2000 No -40 to 125 No 1 1 2 No 10/MSOP
MIC22205 In Production $0.87 Step Down (Buck) 1 2.9 - 5.5 0.7 - 5.5 2000 1.2 0 Yes -40 to 125 No 0.7 1 3.7 No 12/VDFN
MIC2224 In Production $1.93 Step Down (Buck) 1 2.7 - 5.5 0 - 5.5 2000 0.36 2000 Yes -40 to 125 No 0 1 1 No 10/VDFN
MIC2238 In Production $1.73 Step Down (Buck) 2 2.5 - 5.5 0.8 - 5.5 2000 2500 Yes -40 to 125 No 0.8 1 1 No 12/VDFN
MIC2267 In Production $1.25 Step Down (Buck) 1 3 - 5.5 1 - 5.5 2000 1 Yes -40 to 125 No 1 1 1 No 12/VDFN
MIC23150 In Production $0.99 Step Down (Buck) 1 2.7 - 5.5 0.95 2000 0.023 4000 Yes -40 to 125 No 0 0.8 0.01 Yes 8/VDFN
MIC23153 In Production $1.08 Step Down (Buck) 1 2.7 - 5.5 0.62 2000 0.022 4000 Yes -40 to 125 No 0.62 0.8 0.01 Yes 10/UDFN
MIC23155 In Production $1.09 Step Down (Buck) 1 2.7 - 5.5 0.62 2000 0.022 3000 Yes -40 to 125 No 0.62 0.89 0.01 Yes 10/UDFN
MIC23201 In Production $0.33 Step Down (Buck) 1 2.7 - 5.5 0.62 - 3.6 2000 1.15 2000 Yes -40 to 125 No 0.62 0.8 1.34 No 10/VDFN
MIC23250 In Production $1.13 Step Down (Buck) 2 2.7 - 5.5 0.72 2000 4000 Yes -40 to 125 No 0.72 0.86 0.01 Yes 10/UDFN
12/UDFN
MIC23254 In Production $1.31 Step Down (Buck) 2 2.5 - 5.5 1 - 1.8 2000 4000 Yes -40 to 125 No 0.86 0.01 Yes 10/UDFN
MIC28513 In Production $1.01 Step Down (Buck) 1 4.6 - 45 0.8 - 24 2000 0.4 Yes -40 to 125 No 0.8 0.85 0.1 Yes 24/VQFN
MIC4681 In Production $1.91 Step Down (Buck) 1 4 - 30 1.25 2000 7 400 No -40 to 125 No 1.25 0.95 50 No 8/SOIC
MIC4682 In Production $2.65 Step Down (Buck) 1 4 - 34 1.23 2000 7 200 No -40 to 125 No 1.23 0.95 35 No 8/SOIC
MIC4684 In Production $1.26 Step Down (Buck) 1 4 - 30 1.24 2000 6 200 No -40 to 125 No 1.24 0.94 5 No 8/SOIC
MIC2177 In Production $4.02 Step Down (Buck) 1 4.5 - 16.5 1.245 - 16.5 2500 0.5 200 Yes -40 to 85 No 1.245 1 1 Yes 20/SOIC 300mil
MIC2178 In Production $4.02 Step Down (Buck) 1 4.5 - 16.5 1.245 - 16.5 2500 0.6 200 Yes -40 to 85 No 1.245 1 1 Yes 20/SOIC 300mil
LM2576 In Production $0.97 Step Down (Buck) 1 4 - 40 1.23 3000 30 52 No -40 to 125 No 1.23 0.98 50 No 5/TO-220
5/DDPAK
MIC2207 In Production $1.10 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 3000 0.57 2000 Yes -40 to 125 No 1 1 2 No 12/VDFN
MIC22200 In Production $1.10 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 3000 1.2 Yes -40 to 125 No 0.7 1 3.7 No 12/VDFN
MIC23303 In Production $0.52 Step Down (Buck) 1 2.9 - 5.5 0.62 - 3.6 3000 0 4000 Yes -40 to 125 No 0.62 0.8 0 Yes 12/VDFN
MIC28512 In Production $1.22 Step Down (Buck) 1 4.6 - 70 0.8 - 24 3000 0.4 Yes -40 to 125 No 0.8 0.85 0.1 Yes 24/VQFN
MIC4576 In Production $1.61 Step Down (Buck) 1 4 - 36 1.23 3000 5 200 No -40 to 85 No 1.23 0.95 50 No 5/TO-220
5/DDPAK
MIC4685 In Production $2.03 Step Down (Buck) 1 4 - 30 1.24 3000 6 200 No -40 to 125 No 1.24 0.94 5 No 7/SPAK
MIC4722 In Production $1.73 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 3000 0.57 2700 No -40 to 125 No 1 1 2 No 12/VDFN
MIC4723 In Production $0.62 Step Down (Buck) 1 2.7 - 5.5 1 - 5.5 3000 0.57 2000 No -40 to 125 No 1 1 2 No 10/MSOP
12/VDFN
MIC4724 In Production $1.75 Step Down (Buck) 1 3 - 6 1 - 5.5 3000 0.57 2000 No -40 to 125 No 1 1 2 No 10/MSOP
MIC4742 In Production $1.91 Step Down (Buck) 2 2.9 - 5.5 0.6 - 5.5 3000 2000 No -40 to 125 No 0.6 1 1.6 No 16/TSSOP
16/VQFN
MIC4744 In Production $2.54 Step Down (Buck) 2 2.9 - 5.5 0.6 - 5.5 3000 4000 No -40 to 125 No 0.6 1 1.6 No 16/TSSOP
16/VQFN
MIC4782 In Production $1.34 Step Down (Buck) 2 3 - 6 0.607 - 6 3000 1800 No -40 to 125 No 0.607 1 1.6 No 16/VQFN
MIC4930 In Production $0.76 Step Down (Buck) 1 2.7 - 5.5 0.7 3000 0.8 3300 Yes -40 to 125 No 0.625 0.01 No 10/VDFN
MIC22400 In Production $1.10 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 4000 1.3 Yes -40 to 125 No 0.7 1 5 No 20/TSSOP
20/VQFN
MIC22405 In Production $1.60 Step Down (Buck) 1 2.9 - 5.5 0.7 - 5.5 4000 1.3 Yes -40 to 125 No 0.7 1 5 No 20/VQFN
MIC28510 In Production $1.72 Step Down (Buck) 1 4.5 - 75 0.8 - 5.5 4000 1.4 Yes -40 to 125 No 0.8 0.8 700 No 28/VQFN
MIC28511 In Production $1.13 Step Down (Buck) 1 4.6 - 60 0.8 - 24 4000 0.4 Yes -40 to 125 No 0.8 0.85 0.1 Yes 24/VQFN
MIC24046 In Production $1.42 Step Down (Buck) 1 4.5 - 19 0.7 - 3.3 5000 5.6 Yes -40 to 125 No 0 42 No 20/VQFN
MIC26400 In Production $1.52 Step Down (Buck) 1 4.5 - 26 0.8 - 5.5 5000 1.4 300 Yes -40 to 125 No 0.8 0.87 700 No 28/VQFN
MIC28514 In Production $1.79 Step Down (Buck) 1 4.5 - 75 0.6 - 32 5000 1 270 to 800 No 5 Yes -40 to +125 no 0.6 85 1 No 32/VQFN
MIC28515 In Production $1.79 Step Down (Buck) 1 4.5 - 75 0.6 - 32 5000 1 270 to 800 No 5 Yes -40 to +125 no 0.6 85 1 Yes COT 32/VQFN
MIC4950 In Production $1.03 Step Down (Buck) 1 2.7 - 5.5 0.7 5000 0.8 3300 Yes -40 to 125 No 0.625 0.01 No 8/SOIC
10/VDFN
MIC22600 In Production $1.90 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 6000 0.85 1000 Yes -40 to 125 No 0.7 1 5 No 24/TSSOP
24/VQFN
MIC22601 In Production Call for pricing Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 6000 0.85 4000 Yes -40 to 125 No 0.7 1 5 No 24/VQFN
MIC22602 In Production $2.12 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 6000 0.85 1000 Yes -40 to 125 No 0.7 1 5 No 24/VQFN
MIC23603 In Production $1.13 Step Down (Buck) 1 2.9 - 5.5 0.62 - 3.6 6000 0.024 4000 Yes -40 to 125 No 0.62 0.8 0.01 Yes 20/VDFN
MIC24045 In Production $1.53 Step Down (Buck) 1 4.5 - 19 0.65 - 5.5 6000 1200 No 0 Yes -40 to +125 0.65 90 0 No 20/VQFN
MIC24051 In Production $0.96 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 6000 0.73 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC24052 In Production $0.96 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 6000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC26601 In Production $1.67 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 6000 0.73 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC26603 In Production $1.71 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 6000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC26603Z In Production $1.69 Step Down (Buck) 1 4.5 - 28 0.6 - 5.5 6000 0.73 600 Yes -40 to 125 No 0.6 0.82 5 No 28/VQFN
MIC22700 In Production $2.31 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 7000 0.85 1000 Yes -40 to 125 No 0.7 1 5 No 24/VQFN
MIC22705 In Production $2.31 Step Down (Buck) 1 2.9 - 5.5 0.7 - 5.5 7000 0.85 1000 Yes -40 to 125 No 0.7 1 5 No 24/VQFN
MIC26600 In Production $1.57 Step Down (Buck) 1 4.5 - 26 0.8 - 5.5 7000 1.4 300 Yes -40 to 125 No 0.8 0.87 700 No 28/VQFN
MIC27600 In Production $1.67 Step Down (Buck) 1 4.5 - 36 0.8 - 5.5 7000 1.4 300 Yes -40 to 125 No 0.8 0.87 700 No 28/VQFN
MIC24053 In Production $1.17 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 9000 0.73 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC24054 In Production $1.17 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 9000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC26901 In Production $1.83 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 9000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC26903 In Production $1.87 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 9000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC26903Z In Production $1.87 Step Down (Buck) 1 4.5 - 28 0.6 - 5.5 9000 0.73 600 Yes -40 to 125 No 0.6 0.82 5 No 28/VQFN
MIC22950 In Production $3.07 Step Down (Buck) 1 2.6 - 5.5 0.7 - 5.5 10000 1 Yes -40 to 125 No 0.7 1 5 No 32/VQFN
MIC24055 In Production $1.37 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 12000 0.73 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC24056 In Production $1.37 Step Down (Buck) 1 4.5 - 19 0.8 - 5.5 12000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC24420 In Production $1.56 Step Down (Buck) 2 4.5 - 15 0.7 12000 1000 Yes -40 to 125 No 0.7 0.76 25 No 24/VQFN
MIC24421 In Production $1.56 Step Down (Buck) 2 4.5 - 15 0.7 12000 500 Yes -40 to 125 No 0.7 0.9 25 No 24/VQFN
MIC261201 In Production $1.98 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 12000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 No 28/VQFN
MIC261203 In Production $2.03 Step Down (Buck) 1 4.5 - 28 0.8 - 5.5 12000 0.45 600 Yes -40 to 125 No 0.8 0.82 5 Yes 28/VQFN
MIC261203Z In Production $2.03 Step Down (Buck) 1 4.5 - 28 0.6 - 5.5 12000 0.73 600 Yes -40 to 125 No 0.6 0.82 5 No 28/VQFN
MIC26950 In Production $1.72 Step Down (Buck) 1 4.5 - 26 0.8 - 5.5 12000 1.4 300 Yes -40 to 125 No 0.8 0.87 700 No 28/VQFN
5K pricing is for budgetary use only, shown in United States dollars. The prices are representative and do not reflect final pricing. Contact your local Microchip sales representative or distributor for volume and / or discount pricing.

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Status
Documents
5K Pricing
Regulator Type
# of Outputs
Input Voltage Range (V)
Output Voltage Range (V)
Output Current (mA) Max
Quiescent Current (mA) type
Switching Frequency (kHz)
Automotive Qualified
Switch current (A) type
Synchronous Rectifier
Operating Temperature Range (°C)
Automotive Rated
Vfb (V)
Duty Cycle Max (%)
SHUTDOWN Current (µA) (Typ)
Light Load Efficiency Mode
Alternative Topology
Packages