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-Up/Step-Down |
Positive, Isolation Capable |
Push-Pull |
2 |
2 |
Up to 10V |
Up to 1MHz |
50% |
No |
No |
- |
Current Limit, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
16-WQFN Exposed Pad |
16-QFN (4x4) |
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1334 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
3 |
3 |
4.5V ~ 38V |
250kHz ~ 770kHz |
94% |
Yes |
No |
- |
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
-40°C ~ 125°C (TJ) |
Surface Mount |
38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
38-TSSOP-EP |
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1281 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
2 |
2 |
4.5V ~ 28V |
260kHz ~ 550kHz |
99.4% |
Yes |
No |
- |
Enable, Phase Control, Power Good, Tracking |
-40°C ~ 85°C (TA) |
Surface Mount |
28-SSOP (0.209", 5.30mm Width) |
28-SSOP |
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1279 |
- |
Tube |
Active |
Transistor Driver |
Step-Up/Step-Down |
Positive, Isolation Capable |
Flyback |
1 |
1 |
3.95V ~ 9.5V |
70kHz ~ 700kHz |
80% |
No |
Yes |
- |
Enable, Soft Start |
-55°C ~ 150°C (TJ) |
Surface Mount |
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
10-MSOP-EP |
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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 |
0°C ~ 70°C (TA) |
Surface Mount |
24-SSOP (0.154", 3.90mm Width) |
24-SSOP |
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1295 |
- |
Tube |
Active |
Transistor Driver |
Step-Up, Step-Down |
Positive |
Buck, Boost |
2 |
1 |
4.5V ~ 60V |
105kHz ~ 835kHz, 350kHz ~ 535kHz |
96%, 99% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start, Tracking |
-40°C ~ 125°C (TJ) |
Surface Mount |
32-WFQFN Exposed Pad |
32-QFN (5x5) |
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|
1274 |
- |
Tube |
Active |
Transistor Driver |
Step-Up |
Positive |
Boost |
2 |
2 |
6V ~ 40V |
154kHz ~ 465kHz |
94% |
Yes |
Yes |
- |
Enable, Reset, Soft Start |
-40°C ~ 125°C (TJ) |
Surface Mount |
28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
28-TSSOP-EP |
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1298 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
3 |
3 |
3.8V ~ 7V |
225kHz ~ 680kHz |
98.5% |
Yes |
No |
- |
Enable, Phase Control, Power Good, Soft Start |
-40°C ~ 85°C (TA) |
Surface Mount |
36-SSOP (0.209", 5.30mm Width) |
36-SSOP |
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1284 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
1 |
1 |
Up to 48V |
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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1286 |
- |
Tube |
Active |
Transistor Driver |
Step-Down, Step-Up/Step-Down |
Positive |
Buck, Buck-Boost, SEPIC |
3 |
2 |
4.5V ~ 38V |
115kHz ~ 835kHz, 350kHz ~ 535kHz |
99%, 100% |
Yes |
No |
- |
Enable, Frequency Control, Power Good, Soft Start, Tracking |
-40°C ~ 125°C (TJ) |
Surface Mount |
38-WFQFN Exposed Pad |
38-QFN (5x7) |
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|
1309 |
- |
Tube |
Active |
Transistor Driver |
Step-Up, Step-Up/Step-Down |
Positive |
Boost, Forward Converter |
1 |
1 |
9V ~ 60V |
- |
90% |
No |
Yes |
- |
Enable, Soft Start |
-40°C ~ 85°C (TA) |
Through Hole |
16-DIP (0.300", 7.62mm) |
16-PDIP |
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1289 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
1 |
1 |
3.5V ~ 20V |
Up to 250kHz |
100% |
Yes |
No |
- |
Current Limit, Enable |
0°C ~ 70°C (TA) |
Surface Mount |
14-SOIC (0.154", 3.90mm Width) |
14-SO |
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1307 |
PolyPhase? |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck |
1 |
1 |
4.5V ~ 24V |
250kHz ~ 1MHz |
- |
No |
Yes |
I2C, PMBus |
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start |
-40°C ~ 105°C (TJ) |
Surface Mount |
32-WFQFN Exposed Pad |
32-QFN (5x5) |
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1269 |
- |
Tube |
Active |
Transistor Driver |
Step-Up/Step-Down |
Positive |
Buck-Boost |
1 |
2 |
3V ~ 60V |
400kHz |
- |
Yes |
Yes |
- |
Enable, Frequency Control, Power Good, Soft Start |
-40°C ~ 150°C (TJ) |
Surface Mount |
28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
28-TSSOP-EP |
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1284 |
- |
Tube |
Active |
Transistor Driver |
Step-Down |
Positive |
Buck, Buck-Boost |
3 |
2 |
4.5V ~ 60V |
105kHz ~ 835kHz, 350kHz ~ 535kHz |
100% |
Yes |
No |
- |
Enable, Frequency Control, Soft Start, Tracking |
-40°C ~ 125°C (TJ) |
Surface Mount |
38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
38-TSSOP-EP |
