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ANALOG DEVICES LT3742EUF#PBF
DC/DC Controller, Buck, 4 V to 30 V Supply, 2 Output, 100% Duty Cycle, 500kHz, QFN-EP-24
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LT3742EUF#PBF
- Order Code:
- 4026237
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- Technical Datasheet:
- LT3742EUF#PBF Datasheet
- ECAD / MCAD
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Product Overview
LT3742 is a dual step-down DC/DC switching regulator controller that drives high side N-channel power MOSFETs. A 500KHz fixed frequency current mode architecture provides fast transient response with simple loop compensation components and cycle-by-cycle current limiting. The output stages of the two controllers operate 180° out of phase to reduce the input ripple current, minimizing the noise induced on the input supply, and allowing less input capacitance. An internal boost regulator generates a bias rail of VIN + 7V to provide gate drive for the N-channel MOSFETs allowing low dropout and 100% duty cycle operation. It can be used for applications where both controllers need to operate independently, or where both controllers are used to provide a single higher current output. It is used in application such as satellite and cable TV set-top boxes, distributed power regulation, automotive systems, super capacitor charger etc.
- Wide input voltage range is 4V to 30V
- Wide output voltage range is 0.8V to VIN
- Out-of-phase controllers reduce required input capacitance and power supply induced noise
- Internal boost converter provides bias rail for N-channel MOSFET gate drive
- Power good voltage monitor for each output
- Programmable soft-start, switching phase is 180°
- Quiescent current is 5mA typical at (VRUN/SS1 = VRUN/SS2 = VFB1 = VFB2 = 1V)
- Shutdown current is 20µA typical at (VRUN/SS1 = VRUN/SS2 = 0V)
- Operating temperature is -40°C to 125°C
- Package style is 24-lead plastic QFN
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- :
- Current Mode Control
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- 4V
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- 30V
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- 2Outputs
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- 100%
- :
- QFN-EP
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- 24Pins
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- 500kHz
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- Buck (Step Down)
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- -40°C
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- 125°C
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- -
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
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222 deliver in 3-4 business days from our UK warehouse
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¥1,345.65
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¥1,480.22
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| 1+ | ¥1,345.65 (¥1,480.22) | ( ) |
| 10+ | ¥926.11 (¥1,018.72) | ( ) |
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