Sharp LC-26SH7E Service Manual ▷ View online
2008-03-14
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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
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High Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
2.5-V to 6-V Input Voltage Range
Adjustable Output Voltage Range From 0.7 V to V1
Fixed Output Voltage Options Available
Up to 300 mA Output Current
-MHz Fixed Frequency PWM Operation
Highest Efficiency Over Wide Load Current Range Due to Power Save Mode
15-μA Typical Quiescent Current
Soft Start
100% Duty Cycle Low-Dropout Operation
Dynamic Output-Voltage Positioning
Available in a 5-Pin SOT23 Package
APPLICATIONS
PDAs and Pocket PC
Cellular Phones, Smart Phones
Low Power DSP Supply
Digital Cameras
Portable Media Players
Portable Equipment
1.6. U7103 (SC4524BSETRT)
DESCRIPTION
The SC4524B is a constant frequency peak current-mode step-down switching regulator capable of producing 2A output current from an input
ranging from 3V to 16V. The switching frequency of the SC4524B is programmable up to 2MHz, allowing the use of small inductors and ceramic
capacitors for miniaturization, and high input/output conversion ratio. The SC4524B is suitable for next generation XDSL modems, high-definition
TVs and various point of load applications.
Peak current-mode PWM control employed in the SC4524B achieves fast transient response with simple loop compensation. Cycle-by-cycle
current limiting and hiccup overload protection reduces power dissipation during output overload. Soft-start function reduces input start-up current
and prevents the output from overshooting during power-up.
FEATURES
Wide input range: 3V to 16V
2A Output Current
200kHz to 2MHz Programmable Frequency
Precision 1V Feedback Voltage
Peak Current-Mode Control
Cycle-by-Cycle Current Limiting
Hiccup Overload Protection with Frequency Foldback
Soft-Start and Enable
Thermal Shutdown
Thermally Enhanced 8-pin SOIC Package
Fully RoHS and WEEE compliant
APPLICATIONS
XDSL and Cable Modems
Set Top Boxes
Point of Load Applications
CPE Equipment
DSP Power Supplies
LCD and Plasma TVs
1.7. U1801 (STMPS2171STR SOT23-5L)
DESCRIPTION
The STMPS2141, STMPS2151, STMPS2161,STMPS2171 power distribution switches are intended for applications where heavy capacitive
loads and short circuits are likely to be encountered. These devices incorporate 90 mΩ N-channel MOSFET high-side power switches for power-
distribution. These switches are controlled by a logic enable input.
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FEATURES
90 mΩ high-side MOSFET switch
500/1000 mA continuous current
Thermal and short-circuit protection with overcurrent logic output
Operating range from 2.7 V to 5.5 V
CMOS- and TTL-compatible enable inputs
Undervoltage lockout (UVLO)
12 μA maximum standby supply current
Ambient temperature range, -40°C to 85°C
8 kV ESD protection
Reverse current protection
Fault-blanking
1.8. U1602,U1401,U1501 (IC AT24C02BN-SH-T 8-SOIC)
DESCRIPTION
The AT24C02B provides 2048 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 256 words of 8
bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are
essential. The AT24C02B is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead SOT23,
8-lead TSSOP, and 8-ball dBGA2 packages and is accessed via a Two-wire serial interface. In addition, the AT24C02B is available in 1.8V (1.8V
to 5.5V) version.
FEATURES
Low-voltage and Standard-voltage Operation
–
1.8 (VCC = 1.8V to 5.5V)
Internally Organized 256 x 8 (2K)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility
Write Protect Pin for Hardware Data Protection
8-byte Page (2K) Write Modes
Partial Page Writes Allowed
Self-timed Write Cycle (5 ms max)
High-reliability
–
Endurance: 1 Million Write Cycles
–
Data Retention: 100 Years
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead SOT23, 8-lead TSSOP and 8-ball dBGA2 Packages
Lead-free/Halogen-free
Available in Automotive
Die Sales: Wafer Form, Waffle Pack and Bumped Wafers
1.9. U4402 (W25X16AVSSIG SO-8 208mil)
DESCRIPTION
The W25X16A (16M-bit) Serial Flash memory provide a storage solution for systems with limited space, pins and power. The 25X series offers
flexibility and performance well beyond ordinary Serial Flash devices. They are ideal for code download applications as well as storing voice, text
and data. The devices operate on a single 2.7V to 3.6V power supply with current consumption as low as 5mA active and 1μA for power-down.
All devices are offered in space-saving packages.
The W25X16A array is organized into 8,192 programmable pages of 256-bytes each. Up to 256 bytes can be programmed at a time using the
Page Program instruction. Pages can be erased in groups of 16 (sector erase), groups of 256 (block erase) or the entire chip (chip erase). The
W25X16A has 512 erasable sectors and 32 erasable blocks. The small 4KB sectors allow for greater flexibility in applications that require data
and parameter storage. (See figure 2.)
The W25X16A supports the standard Serial Peripheral Interface (SPI), and a high performance dual output SPI using four pins: Serial Clock, Chip
Select, Serial Data I/O and Serial Data Out. SPI clock frequencies of up to 100MHz are supported allowing equivalent clock rates of 200MHz
when using the Fast Read Dual Output instruction. These transfer rates are comparable to those of 8 and 16-bit Parallel Flash memories.
A Hold pin, Write Protect pin and programmable write protect, with top or bottom array control features, provide further control flexibility.
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Additionally, the device supports JEDEC standard manufacturer and device identification.
FEATURES
Family of Serial Flash Memories
– W25X16A: 16M-bit / 2M-byte (2,097,152)
– 256-bytes per programmable page
– Uniform 4K-byte Sectors / 64K-byte Blocks
SPI with Single or Dual Outputs
– Clock, Chip Select, Data I/O, Data Out
– Optional Hold function for SPI flexibility
Data Transfer up to 200M-bits / second
– Clock operation to 100MHz
– Fast Read Dual Output instruction
– Auto-increment Read capability
Flexible Architecture with 4KB sectors
– Sector Erase (4K-bytes)
– Block Erase (64K-byte)
– Page program up to 256 bytes <2ms
– More than 100,000 erase/write cycles
– More than 20-year data retention
Low Power Consumption,Wide Temperature Range
– Single 2.7 to 3.6V supply
– 5mA active current, 1μA Power Down(typ)
– -40° to +85°C operating range
Software and Hardware write Protection
– Write-Protect all or portion of memory
– Enable/Disable protection with /WP pin
– Top or bottom array protection
Space Efficient Packaging
– 8-pin SOIC 150-mil
– 8-pin SOIC 208-mil
– 8-pin PDIP 300-mil
– 16-pin SOIC 300-mil
– 8-pad WSON 6x5-mm
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