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Supporting up to 3 A of operating current, ST’s single-inductor synchronous buck-boost converters integrate four low on-state resistance power MOSFETs which contribute to PCB saving and reduced power losses, making them ideal for Li-ion battery-powered applications.
The main features of our buck-boost regulators include:
They are mainly used where the input voltage can change from VIN - VOUT > VIN to VIN - VOUT < VIN
| Part Number | General Description | Marketing Status | Package | Input Voltage(Vin) min (V) | Input Voltage(Vin) max (V) | Regulated Output Voltage min (V) | Regulated Output Voltage max (V) | Output Current-Max(I_OUT_MAX) nom (A) | Quiescent current(Iq) typ (mA) | Synchronous rectification | Switching Frequency typ (kHz) |
| MC34063AB | DC-DC CONVERTER CONTROL CIRCUITS | Active | DIP-8; SO-8 | 3 | 40 | 1.25 | 38 | 1.5 | 2.5 | No | 100 |
| MC34063AC | DC-DC CONVERTER CONTROL CIRCUITS | Active | DIP-8; SO-8 | 3 | 40 | 1.25 | 38 | 1.5 | 2.5 | No | 100 |
| MC34063EB | DC-DC CONVERTER CONTROL CIRCUITS | Active | DIP-8; SO-8 | 3 | 40 | 1.25 | 38 | 1.5 | 2.5 | No | 100 |
| MC34063EC | DC-DC CONVERTER CONTROL CIRCUITS | Active | DIP-8; SO-8 | 3 | 40 | 1.25 | 38 | 1.5 | 2.5 | No | 100 |
| STBB1-AXX | 1 A, high efficiency single inductor dual mode buck-boost DC-DC converter | Active | VDFPN 10 3x3x1.0 | 2 | 5.5 | 1.2 | 5.5 | 1 | 0.6 | Yes | 1500 |
| STBB2 | 800 mA 2.5 MHz, high efficiency dual mode buck-boost DC-DC converter | Active | Flip-Chip 400u | 2.3 | 5.5 | 1.2 | 4.5 | 0.8 | 0.05 | Yes | 2500 |
| STBB3J | 2A, 2MHz, high efficiency dual mode buck-boost DC-DC converter | Active | Flip-Chip 400u | 1.8 | 5.5 | 1.8 | 5.5 | 2 | 0.05 | Yes | 2000 |
| STBB3JCC | 2A, high effiiciency single inductor buck-boost DC-DC converter and High Brightness White LED Driver | Active | Flip-Chip 400u | 1.8 | 5.5 | 0.1 | 5.5 | 2 | 0.05 | Yes | 2000 |
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ul. Brodzka 10B
54-103 Wrocław
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