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Details for TPS54228D by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS54228D
Buy Directly from Texas Instruments (1200 in stock) $0.3560
BUCK SYNC ADJ 2A 8SO
TPS54228D image

TPS54228D by Texas Instruments

BUCK SYNC ADJ 2A 8SO
Features
700-kHz Switching Frequency (fSW)
Adjustable Soft Start
Auto-Skip Eco-Modeu2122 for High Efficiency at Light
Cycle-by-Cycle Overcurrent Limit
D-CAP2u2122 Mode Enables Fast Transient Response
High Efficiency, Less than 10 u00b5A at Shutdown
High Initial Bandgap Reference Accuracy
Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications u2013 155 mu03a9 (High-Side) and 108 mu03a9 (Low-Side)
Low Output Ripple and Allows Ceramic Output Capacitor
Output Voltage Range: 0.76 V to 7 V
Prebiased Soft Start
Wide VIN Input Voltage Range: 4.5 V to 18 V
Part Information
TPS54228D image
RoHS Compliant
Description
The TPS54228 device is an adaptive on-time DCAP2™ mode synchronous buck converter. The TPS54228 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54228 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-Mode™ operation at light loads. Eco-Mode™ allows the TPS54228 to maintain high efficiency during lighter load conditions. The TPS54228 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 TPS54228 is available in 8-pin SO , 8-pin SOIC, and 10-pin VSON packages, and is designed to operate over the ambient temperature range of –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:
SOIC
No. of Pins:
8Pins
Output Current:
2A
Output Voltage Min:
760mV
Output Voltage Max:
7V
Switching Frequency:
700kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Voltage:
7V
Primary Input Voltage:
18V
Alternate Descriptions
PMIC; DC/DC converter; Uin:4.5÷18V; Uout:0.76÷7V; SO8; buck Transfer Multisort Elektronik
4.5V to 18V Input, 2-A Synchronous Step-Down Converter with Eco-mode™ Texas Instruments