Integrated Circuits (ICs)
BD9139MUV-E2
ActiveRohm Semiconductor
DC-DC SWITCHING BUCK STEP DOWN REGULATOR, ADJUSTABLE, 2.7V-5.5VIN, 800MV-3.3VOUT, 3AOUT, VQFN-16 ROHS COMPLIANT: YES
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Integrated Circuits (ICs)
BD9139MUV-E2
ActiveRohm Semiconductor
DC-DC SWITCHING BUCK STEP DOWN REGULATOR, ADJUSTABLE, 2.7V-5.5VIN, 800MV-3.3VOUT, 3AOUT, VQFN-16 ROHS COMPLIANT: YES
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Technical Specifications
Parameters and characteristics for this part
| Specification | BD9139MUV-E2 |
|---|---|
| Current - Output | 3 A |
| Frequency - Switching | 1 MHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 105 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 16-VFQFN Exposed Pad |
| Supplier Device Package | 16-VQFN (3x3) |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 5.5 V |
| Voltage - Input (Min) [Min] | 2.7 V |
| Voltage - Output (Max) [Max] | 3.3 V |
| Voltage - Output (Min/Fixed) | 0.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.86 | |
| 10 | $ 1.18 | |||
| 25 | $ 1.00 | |||
| 100 | $ 0.80 | |||
| 250 | $ 0.70 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.59 | |||
| Digi-Reel® | 1 | $ 1.86 | ||
| 10 | $ 1.18 | |||
| 25 | $ 1.00 | |||
| 100 | $ 0.80 | |||
| 250 | $ 0.70 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.59 | |||
| Tape & Reel (TR) | 3000 | $ 0.53 | ||
| 6000 | $ 0.50 | |||
| 9000 | $ 0.48 | |||
| 15000 | $ 0.47 | |||
| 21000 | $ 0.46 | |||
| Newark | Each | 1 | $ 1.25 | |
| 10 | $ 1.02 | |||
| 100 | $ 0.69 | |||
| 500 | $ 0.63 | |||
| 1000 | $ 0.56 | |||
| 2500 | $ 0.52 | |||
| 10000 | $ 0.47 | |||
Description
General part information
BD9139MUV Series
ROHM’s high efficiency step-down switching regulator BD9139MUV is a power supply designed to produce a low voltage including 0.8 volts from 5/3.3 volts power supply line. Offers high efficiency with our original pulse skip control technology and synchronous rectifier. Employs a current mode control system to provide faster transient response to sudden change in load.
Documents
Technical documentation and resources