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Details for TPS54427DDAR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 650KHZ
TPS54427DDAR image

TPS54427DDAR by Texas Instruments

DC/DC CONV SYNC BUCK 650KHZ
Features
650-kHz Switching Frequency (fSW)
Adjustable Soft Start
Cycle by Cycle Over Current Limit
D-CAP2u2122 Mode Enables Fast Transient Response
High Efficiency, Less Than 10 u03bcA at Shutdown
High Initial Bandgap Reference Accuracy
Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications u2013 70 mu2126 (High Side) and 53 mu2126 (Low Side)
Low Output Ripple and Allows Ceramic Output Capacitor
Output Voltage Range: 0.76 V to 7.0 V
Pre-Biased Soft Start
Wide VIN Input Voltage Range: 4.5 V to 18 V
Part Information
TPS54427DDAR image
RoHS Compliant
Description
The TPS54427 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54427 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54427 uses the DCAP2™ mode control which provides a fast transient response with no external compensation components. The TPS54427 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-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54427 is available in the 8-pin DDA package and 10-pin DRC, and is designed to operate from –40°C to 85°C.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
18V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SO PowerPAD
No. of Pins:
8Pins
Output Current:
4A
Output Voltage Min:
760mV
Output Voltage Max:
7V
Switching Frequency:
650kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Conv DC-DC Single Step Down 4.5V to 18V 8-Pin HSOP EP T/R Avnet America
Conv DC-DC Single Step Down 4.5V to 18V 8-Pin HSOP EP T/R Avnet Europe