VESTEL MB120 DS Service Manual page 20

The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V
and 6 V. The device also features an adjustable soft start time. The TPS54528 is available in the 8-pin DDA
package, and designed to operate from -40 C to 85 C.
Features
• D-CAP2 Mode Enables Fast Transient Response
• Low Output ripple and Allows Ceramic Output Capacitor
• Wide V
Input Voltage Range: 4.5 V to 18 V
IN
• Output Voltage Range: 0.76 V to 6 V
• Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications- 65 mOhm (High Side)
and 36 mOhm (Low Side)
• High Efficiency, less than 10 mikroAmper at shutdown
• High Initial Bandgap Reference Accuracy
• Adjustable Soft Start
• Pre-Biased Soft Start
• 650-kHz Switching Frequency (f
)
SW
• Cycle By Cycle Over Current Limit
• Auto-Skip Eco-mode for High Efficiency at Light Load
Applications
• Wide Range of Applications for Low Voltage System
• Digital TV Power Supply
• High Definition Blu-ray Disc Players
• Networking Home Terminal
• Digital Set Top Box(STB)
Table 8: Recommended operating conditions
Figure 7: Pin Description
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