PWM Controllers – Buck
Products

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Product |
Buy |
Status |
Documents |
Automotive Recommended |
5K Pricing |
Supported Topologies |
Supported Outputs |
Minimum Input Voltage (V) |
Maximum Input Voltage (V) |
Minimum Output Voltage (V) |
Maximum Output Voltage (V) |
PFM, Discontinuous, Hyperlight load, or Skip Mode |
Typical Tolerance (%) |
Duty Cycle Max (%) |
Operating Frequency (Hz) |
External Clock Sync |
Power Good Signal |
Soft Start |
Internal Compensation |
Internal Voltage Bias |
Enable Pin |
Current Limit / Short Circuit Protection |
Input UVLO Typ (V) |
Operating Supply Current (mA) |
Iq Off (µA) |
Packages |
MIC2101 |
|
In Production |
 |
No |
$0.84 |
Sync. Buck |
1 |
4.5 |
38 |
0.8 |
24 |
True |
±1 |
0.85 |
200K to 600K |
|
True |
True |
True |
True |
True |
True |
4.2 |
0.4 |
0.1 |
16/VQFN |
MIC2102 |
|
In Production |
 |
No |
$0.87 |
Sync. Buck |
1 |
4.5 |
38 |
0.8 |
24 |
|
±1 |
0.85 |
200K to 600K |
|
True |
True |
True |
True |
True |
True |
4.2 |
2.1 |
0.1 |
16/VQFN |
MIC2103 |
|
In Production |
 |
No |
$1.05 |
Sync. Buck |
1 |
4.5 |
75 |
0.8 |
24 |
True |
±1 |
0.85 |
200K to 600K |
|
True |
True |
True |
True |
True |
True |
4.2 |
0.4 |
0.1 |
16/VQFN |
MIC2104 |
|
In Production |
 |
No |
$1.05 |
Sync. Buck |
1 |
4.5 |
75 |
0.8 |
24 |
|
±1 |
0.85 |
200K to 600K |
|
True |
True |
True |
True |
True |
True |
4.2 |
2.1 |
0.1 |
16/VQFN |
MIC2111B |
|
In Production |
 |
No |
$0.76 |
Buck |
1 |
3.3 |
5 |
0 |
0 |
True |
1 |
|
200k - 2M |
False |
True |
False |
False |
False |
False |
False |
0 |
0 |
0 |
20/WQFN |
MIC2124 |
|
In Production |
 |
No |
$0.80 |
Sync. Buck |
1 |
3 |
18 |
0.8 |
|
|
±1 |
0.91 |
300K |
|
|
True |
|
True |
True |
True |
2.7 |
1.4 |
1 |
10/MSOP |
MIC2125 |
|
Not Recommended for new designs Consider: MIC2101 |
 |
No |
Call for pricing |
COT |
1 |
4.5 |
28 |
0.6 |
24 |
True |
1 |
85 |
750000 |
False |
True |
True |
True |
True |
True |
True |
4.2 |
0.34 |
0.1 |
Please call for package information |
MIC2126 |
|
Not Recommended for new designs Consider: MIC2101 |
 |
No |
Call for pricing |
COT |
1 |
4.5 |
28 |
0.6 |
28 |
False |
1 |
85 |
650000 |
False |
True |
True |
True |
True |
True |
True |
4.2 |
1.1 |
0.1 |
Please call for package information |
MIC2127 |
|
Not Recommended for new designs Consider: MIC2127A |
 |
No |
$1.00 |
COT |
1 |
4.5 |
0 |
0.6 |
30 |
False |
1 |
85 |
200KHz to 800KHz |
False |
True |
True |
True |
True |
True |
True |
4.2 |
1.4 |
0.1 |
16/VQFN |
MIC2130 |
|
In Production |
 |
No |
$1.69 |
Sync. Buck |
1 |
8 |
40 |
0.7 |
|
|
±2 |
0.92 |
150K or 400K |
|
True |
True |
|
True |
True |
True |
1.1 |
4 |
180 |
16/TSSOP, 16/VQFN |
MIC2131 |
|
In Production |
 |
No |
$1.77 |
Sync. Buck |
1 |
8 |
40 |
0.7 |
|
|
±2 |
0.92 |
150K or 400K |
|
True |
True |
|
True |
True |
True |
1.1 |
4 |
180 |
16/TSSOP, 16/VQFN |
MIC2150 |
|
In Production |
 |
No |
$2.73 |
Sync. Buck |
2 |
4.5 |
14.5 |
0.7 |
|
|
±1 |
0.8 |
500K |
|
True |
True |
|
True |
True |
True |
2.03 |
4.2 |
50 |
24/VQFN |
MIC2151 |
|
In Production |
 |
No |
$2.67 |
Sync. Buck |
2 |
4.5 |
14.5 |
0.7 |
|
|
±1 |
0.83 |
300K |
|
True |
True |
|
True |
True |
True |
2.03 |
4.2 |
50 |
24/VQFN |
MIC2155 |
|
In Production |
 |
No |
$2.27 |
Sync. Buck |
1 |
4.5 |
14.5 |
0.7 |
3.6 |
|
±1 |
0.8 |
500K |
True |
True |
True |
|
True |
True |
True |
|
6 |
210 |
32/VQFN |
MIC2164 |
|
In Production |
 |
No |
$0.79 |
Sync. Buck |
1 |
3 |
28 |
0.8 |
5.5 |
|
±1 |
|
300K, 600K, 1M |
|
|
True |
True |
True |
True |
True |
2.7 |
1.4 |
800 |
10/MSOP |
MIC2164C |
|
In Production |
 |
No |
$0.74 |
Sync. Buck |
1 |
3 |
28 |
0.8 |
5.5 |
|
±3 |
0.87 |
270K |
|
|
True |
True |
True |
True |
True |
2.7 |
1.4 |
800 |
10/MSOP |
MIC2165 |
|
In Production |
 |
No |
$1.08 |
Sync. Buck |
1 |
4.5 |
28 |
0.8 |
5.5 |
True |
±1 |
0.82 |
600K |
|
True |
True |
|
True |
True |
True |
4.2 |
0.45 |
5 |
10/MSOP |
MIC2166 |
|
In Production |
 |
No |
$1.02 |
Sync. Buck |
1 |
4.5 |
28 |
0.8 |
5.5 |
False |
±1 |
0.82 |
600K |
False |
True |
True |
True |
True |
True |
True |
4.2 |
0.95 |
5 |
10/MSOP |
MIC2168 |
|
In Production |
 |
No |
$1.60 |
Sync. Buck |
1 |
3 |
14.5 |
0.8 |
|
|
±1 |
0.9 |
1.0M |
|
|
True |
True |
True |
True |
True |
|
1.6 |
50 |
10/MSOP |
MIC2169 |
|
In Production |
 |
No |
$1.55 |
Sync. Buck |
1 |
3 |
14.5 |
0.8 |
|
|
±1 |
0.92 |
500K |
|
|
True |
|
True |
True |
True |
|
1.5 |
|
10/MSOP |
MIC2169A |
|
In Production |
 |
No |
$1.55 |
Sync. Buck |
1 |
3 |
14.5 |
0.8 |
|
|
±1 |
0.92 |
500K |
|
|
True |
|
True |
True |
True |
|
1.5 |
50 |
10/MSOP |
MIC2169B |
|
In Production |
 |
No |
$1.48 |
Sync. Buck |
1 |
3 |
14.5 |
0.8 |
|
|
±1 |
0.92 |
500K |
|
|
True |
|
True |
True |
True |
|
1.5 |
50 |
10/MSOP |
MIC2176 |
|
In Production |
 |
No |
$1.37 |
Sync. Buck |
1 |
4.5 |
75 |
0.8 |
|
|
±1 |
|
100K, 200K, or 300k |
|
|
True |
True |
True |
True |
True |
3.85 |
1.4 |
700 |
10/MSOP |
MIC2182 |
|
In Production |
 |
No |
$2.61 |
Sync. Buck |
1 |
4.5 |
32 |
1.25 |
6 |
True |
±1 |
0.86 |
300K |
True |
|
True |
|
True |
True |
True |
2.5 |
1.6 |
0.1 |
16/SSOP, 16/SOIC |
MIC2183 |
|
In Production |
 |
No |
$2.69 |
Sync. Buck |
1 |
2.9 |
14 |
1.3 |
12 |
|
±1 |
1 |
200K / 400K |
True |
|
True |
|
True |
True |
True |
|
1.7 |
0.5 |
16/QSOP, 16/SOIC |
MIC2184 |
|
In Production |
 |
No |
$2.69 |
Async. Buck |
1 |
2.9 |
14 |
1.3 |
12 |
|
±1 |
1 |
200K / 400K |
True |
|
True |
|
True |
True |
True |
|
1.7 |
0.5 |
16/QSOP, 16/SOIC |
MIC2193 |
|
In Production |
 |
No |
$2.16 |
Sync. Buck |
1 |
2.9 |
14 |
|
|
|
±1 |
1 |
400K |
|
|
|
|
True |
|
True |
2.65 |
1 |
|
8/SOIC |
MIC2194 |
|
In Production |
 |
No |
$1.62 |
Async. Buck |
1 |
2.9 |
14 |
|
|
|
±1 |
1 |
400K |
|
|
|
|
True |
True |
True |
|
1 |
0.5 |
8/SOIC |
MIC2198 |
|
In Production |
 |
No |
$2.38 |
Sync. Buck |
1 |
4.5 |
32 |
0.8 |
6 |
|
±1 |
0.76 |
500K |
|
|
|
|
True |
True |
True |
|
3.5 |
0.1 |
12/VDFN |
MIC2199 |
|
In Production |
 |
No |
$2.33 |
Buck |
1 |
4.5 |
32 |
0.8 |
6 |
|
±1 |
0.85 |
300K |
|
|
|
|
True |
True |
True |
|
1.6 |
0.1 |
12/VDFN |
MCP19035 |
|
In Production |
 |
Yes |
$1.18 |
Sync. Buck |
1 |
4.5 |
30 |
|
|
|
±2.5 |
0.85 |
300K / 600K |
|
True |
True |
|
True |
True |
True |
4.2 |
6 |
25 |
10/DFN |
MIC2127A |
|
In Production |
 |
Yes |
$0.80 |
COT |
1 |
4.5 |
0 |
0.6 |
30 |
False |
1 |
85 |
200KHz to 800KHz |
False |
True |
True |
True |
True |
True |
True |
4.2 |
1.4 |
0.1 |
16/VQFN |
MIC2128 |
|
In Production |
 |
Yes |
$1.11 |
COT |
1 |
4.5 |
75 |
0.6 |
30 |
False |
1 |
85 |
270KHz to 800KHz |
False |
True |
True |
True |
True |
True |
True |
4.2 |
1.4 |
0.1 |
16/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.