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Product Information
Product Overview
The TPS54227DDA is an adaptive on-time D-CAP2™ mode synchronous Buck Converter for use with networking home terminals. The TPS54227 enables system designers to complete the bus regulator for a suite of various end equipment with low component count and low standby current solution. The main control loop for the TPS54227 uses the D-CAP2™ mode control which provides a fast transient response with no external compensation components. The TPS54227 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device operates from 4.5 to 18V VIN input. The output voltage can be programmed between 0.76 and 7V. The device also features an adjustable soft-start time.
- D-CAP2™ mode enables fast transient response
- Low output ripple and allows ceramic output capacitor
- Highly-efficient integrated FETs optimized for lower duty cycle applications
- High initial bandgap reference accuracy
- Adjustable soft-start
- pre-biased soft-start
- Cycle-by-cycle overcurrent limit
- High efficiency, less than 10µA at shutdown
- Green product and no Sb/Br
Applications
Power Management, Consumer Electronics, Communications & Networking
Technical Specifications
Adjustable
Synchronous Buck (Step Down)
18V
3.3A
8Pins
-
7V
-
85°C
-
No SVHC (27-Jun-2018)
-
1Outputs
4.5V
3.3A
SO PowerPAD
Surface Mount
760mV
700kHz
-40°C
-
MSL 2 - 1 year
SO PowerPAD
700kHz
Alternatives for TPS54227DDA
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Legislation and Environmental
Country in which last significant manufacturing process was carried outCountry of Origin:China
Country in which last significant manufacturing process was carried out
RoHS
RoHS
Product Compliance Certificate