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ANALOG DEVICES LTC7800HUDC#PBF
DC/DC Controller, Synchronous Buck, 4V to 60V Supply, 1 Output, 98% Duty Cycle, 2.1MHz, QFN-EP-20
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC7800HUDC#PBF
- Order Code:
- 4026600
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- Technical Datasheet:
- LTC7800HUDC#PBF Datasheet
- ECAD / MCAD
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Product Overview
LTC®7800 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage. A constant frequency current mode architecture allows a phase-lockable frequency of up to 2.25MHz. OPTI-LOOP® compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. This features a precision 0.8V reference and power good output indicator. A wide 4V to 60V input supply range encompasses a wide range of intermediate bus voltages and battery chemistries. The TRACK/SS pin ramps the output voltages during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions. The PLLIN/MODE pin selects among Burst Mode operation, pulse-skipping mode, or continuous conduction mode at light loads. Typical applications are automotive always-on systems, battery powered digital devices, distributed DC power systems.
- RSENSE or DCR current sensing, selectable current limit, output overvoltage protection
- Selectable continuous, pulse-skipping or low ripple Burst Mode® operation at light load
- Very low dropout operation is 98% duty cycle
- Adjustable output voltage soft-start or tracking, power good output voltage monitor
- Internal LDO powers gate drive from VIN or EXTVCC, no current foldback during start-up
- Feedback current is ±50nA maximum
- Soft-start charge current is 14µA maximum (VTRACK/SS=0V)
- 20-lead plastic QFN package
- Temperature rating range from -40°C to 150°C
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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- 60V
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- 1Outputs
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- 98%
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- QFN-EP
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- 20Pins
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- 2.1MHz
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- Synchronous Buck (Step Down)
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- -40°C
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- 150°C
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- -
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
Available for back order
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¥2,048.73
(
¥2,253.60
Inc. JCT)
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| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
|---|---|---|
| 1+ | ¥2,048.73 (¥2,253.60) | ( ) |
| 10+ | ¥1,492.96 (¥1,642.26) | ( ) |
| 91+ | ¥1,080.01 (¥1,188.01) | ( ) |
| 182+ | ¥1,047.88 (¥1,152.67) | ( ) |
| 273+ | ¥1,015.74 (¥1,117.31) | ( ) |
| 546+ | ¥996.93 (¥1,096.62) | ( ) |
| 1001+ | ¥990.61 (¥1,089.67) | ( ) |
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