Sharp LC-19S7E-BK Service Manual page 49

DDC Repeater Function –– LPClaDsma
<2 mW Low-Power Mode – DLP®
Local I2C or GPIO Configurable
Enhanced ESD. HBM: 10 kV on All Input TMDS, DDC I2C, HPD Pins
3.3-Volt Power Supply
Temperature Range: 0°C to 70°C
64-Pin TQFP Package: Pin-Compatible With TMDS251
Robust TMDS Receive Stage That Can Work With Non-Compliant Input Common-Mode HDMI Signal
1.4. U1901,U1201,U6101,U6103 (DRV601RTJR)
General description
The DRV601 is a stereo line driver designed to allow the removal of the output dc-blocking capacitors for reduced component count and cost. The
device is ideal for single supply electronics where size and cost are critical design parameters.
The DRV601 is capable of driving 2 Vrms into a 600-Ω load at 3.3 V. The device has external gain setting resistors, that support a gain range of -
1V/V to -10V/V, and line outputs that has ±8-kV IEC ESD protection. The device has independent shutdown control for the right and left audio
channels.
The DRV601 is available in a 4 mm ´ 4 mm Thin QFN package.
Features
External Gain Setting Resistors
Space Saving Package
-20-Pin, 4 mm ´ 4 mm Thin QFN, Thermally Optimized PowerPAD™ Package
Ground-Referenced Outputs Eliminate DC-Blocking Capacitor
-Reduce Board Area
-Reduce Component Cost
-Improve THD+N Performance
-No Degradation of Low-Frequency Response Due to Output Capacitors
Wide Power Supply Range: 1.8 V to 4.5 V
2 Vrms/Ch Output Voltage into 600 Ω at 3.3 V supply
Independent Right and Left Channel Shutdown Control
Short-Circuit and Thermal Protection
Pop Reduction Circuitry
Applications
Set-Top Boxes
CD / DVD Players
DVD-Receivers
HTIB
PDP / LCD TV's
1.5. U7101 (TPS62203DBVRG4)
DESCRIPTION
The TPS6220x devices are a family of high-efficiency synchronous step-down converters ideally suited for portable systems powered by 1-cell Li-Ion
or 3-cell NiMH/NiCd batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail.
With an output voltage range of 6 V down to 0.7 V and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors
used in PDAs, pocket PCs, and smart phones.
Under Nominal load current,the devices operate with a fixed switching frequency of typically 1 MHz .At light load currents,the part enters the power
save mode operation,the switching frequency is reduced and quiescent current is typically only 15uA;therefore, it achieves the highest efficiency
over the entire load current range.The TPS 6220X needs only three small external components.Together with the SOT23 package,a minimum
system solution size is achieved.An advanced fast response voltage mode control scheme achieves superior line and load regulation with small
ceramic input and output capacitors.
FEATURES
2008-03-14
LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
49