DC DC Switching Controllers：
| Compare | Mfr Part # | Quantity Available | Series | Package | Product Status | Output Type | Function | Output Configuration | Topology | Number of Outputs | Output Phases | Voltage - Supply (Vcc/Vdd) | Frequency - Switching | Duty Cycle (Max) | Synchronous Rectifier | Clock Sync | Serial Interfaces | Control Features | Operating Temperature | Mounting Type | Package / Case | Supplier Device Package | |||||||||||||||||||||||
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1274 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive or Negative |
Buck |
1 |
1 |
4V ~ 40V |
Up to 250kHz |
100% |
Yes |
No |
- |
Current Limit, Enable |
0°C ~ 70°C (TA) |
Surface Mount |
16-SOIC (0.154", 3.90mm Width) |
16-SO |
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1268 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4V ~ 60V |
105kHz ~ 835kHz, 350kHz ~ 535kHz |
99% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start, Tracking |
-40°C ~ 125°C (TJ) |
Surface Mount |
28-SSOP (0.154", 3.90mm Width) |
28-SSOP |
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1281 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4V ~ 36V |
- |
99.5% |
Yes |
No |
- |
Enable, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
28-SSOP (0.209", 5.30mm Width) |
28-SSOP |
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1284 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4.75V ~ 28V |
250kHz, 500kHz |
- |
Yes |
No |
- |
Enable, Phase Control |
-40°C ~ 85°C (TA) |
Surface Mount |
28-SSOP (0.209", 5.30mm Width) |
28-SSOP |
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1289 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
3V ~ 7V |
550kHz |
90% |
Yes |
No |
- |
Current Limit, Enable, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
24-SSOP (0.154", 3.90mm Width) |
24-SSOP |
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|
1263 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
1 |
1 |
3.5V ~ 30V |
Up to 400kHz |
99% |
Yes |
No |
- |
Enable, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
16-SOIC (0.154", 3.90mm Width) |
16-SO |
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1281 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
3.5V ~ 30V |
220kHz |
99.4% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
16-SSOP (0.209", 5.30mm Width) |
16-SSOP |
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|
1279 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
3.5V ~ 30V |
220kHz |
99.4% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
32-WFQFN Exposed Pad |
32-QFN (5x5) |
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1303 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4V ~ 36V |
260kHz ~ 550kHz |
99.5% |
Yes |
No |
- |
Current Limit, Enable, Phase Control, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
28-SSOP (0.209", 5.30mm Width) |
28-SSOP |
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1334 |
- |
Tube |
Active |
Transistor Driver |
Step-Down, Step-Up/Step-Down |
Positive or Negative |
Buck, Buck-Boost |
1 |
1 |
4.3V ~ 36V |
150kHz |
99% |
Yes |
Yes |
- |
Enable, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
16-SOIC (0.154", 3.90mm Width) |
16-SO |
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|
1281 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
3.5V ~ 30V |
220kHz |
99.4% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
16-SSOP (0.209", 5.30mm Width) |
16-SSOP |
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|
1275 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4V ~ 30V |
255kHz ~ 530kHz |
99.4% |
Yes |
No |
- |
Enable, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
28-SSOP (0.209", 5.30mm Width) |
28-SSOP |
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|
1295 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4.5V ~ 24V |
- |
- |
Yes |
Yes |
I2C, PMBus |
Enable, Frequency Control |
-40°C ~ 125°C (TJ) |
Surface Mount |
40-WFQFN Exposed Pad |
40-QFN (6x6) |
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1315 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4.5V ~ 38V |
200kHz ~ 1MHz |
- |
Yes |
Yes |
I2C, PMBus |
Enable, Frequency Control, Phase Control, Power Good |
-40°C ~ 125°C (TJ) |
Surface Mount |
48-WFQFN Exposed Pad |
48-GQFN (5x6) |
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1294 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4.75V ~ 28V |
100kHz ~ 1MHz |
- |
Yes |
No |
- |
Enable, Frequency Control |
-40°C ~ 125°C (TJ) |
Surface Mount |
28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
28-TSSOP-EP |
