DESCRITION
This 'FREDFET' version has a drain-source (body) diode that has been optimized for high reliability in ZVS phase shifted bridge and other circuits through reduced trr, soft recovery, and high recovery dv/dt capability. Low gate charge, high gain, and a greatly reduced ratio of Crss/Ciss result in excellent noise immunity and low switching loss. The intrinsic gate resistance and capacitance of the poly-silicon gate structure help control di/dt during switching, resulting in low EMI and reliable paralleling, even when switching at very high frequency.

FEATURES
*Fast switching with low EMI
*Low trr for high reliability
*Ultra low Crss for improved noise immunity
*Low gate charge
*Avalanche energy rated
*RoHS compliant

TYPICAL APPLICATIONS
*ZVS phase shifted and other full bridge
*Half bridge
*PFC and other boost converter
*Buck converter
*Single and two switch forward
*Flyback

APT7F120S  

APT7F120B - high speed, high voltage N-channel switch-mode power MOSFET

DESCRIPTION
The LX2208 is a single cell Lithium Ion or Lithium Polymer battery charger. The controller will charge a single cell Li-Ion battery from either a wall adapter or a USB power source. A low under-voltage lockout level increases usable charging range from a current limited power source. In addition, there is a linear die temperature thermal control loop, which limits the heat dissipation while still charging the battery. There are three logic selectable and programmable charge current levels: the high charge programming level is typically set for charging from the
wall adapter, the low level charge programming is typically set to 500mA for full USB charging and 100mA (20%) for reduced USB charging.
In addition to setting the high-level charge current, the HCP programming resistor also sets the termination current at 10% of the constant current level and the conditioning current at 5% of the constant current level. Power status indicators STAT and DC OK can be configured to show charge in progress, battery fully charged and external power on. The STAT pin is capable of sourcing or sinking 5mA. The DC OK output is an open drain output and can sink 10mA.
The LX2208 enters a low quiescent current shut down when power is removed from the IN pin or when it is logically shutdown to minimize battery drain.
Protection features include: under voltage lock out, reverse current blocking on the IN pin, internal die temperature thermal loop to reduce charge current to maintain a safe die temperature, and a unsafe battery temperature charge inhibitor. For charging deeply discharged batteries, the controller includes a conditioning charge mode. The LX2208 comes in a 3x3mm 12 pin MLPD package.

KEY FEATURES
*Up to 2A Charging Current
*Integrated Power MOSFET
*Three Charge Levels for Adapter, and USB Hi and Low
* Charge Battery from a Current Limited Adapter
*0.5% Battery Voltage Accuracy
*USB Current Compliance
*Battery Full Indicator
*CC/CV with Thermal Feedback
*Battery Temperature Monitor
*Precision Charge Termination
*Protection features:
-Unsafe Battery Temp Lockout
-Internal IC Temp Regulator
-USB Current Limiter
-Reverse Current Blocking
-Under Voltage Lockout
-False Termination Prevention under Low Supply Conditions

APPLICATIONS
*Navigation Devices
*Multi-Media Players
*Handheld Devices
*Digital Cameras  

LX2208 - 2 Amp Three Level Lithium Ion Battery Charger

DESCRIPTION
In Microsemi's Powermite® surface mount package, these zener diodes provide power-handling capabilities (3.0 WATTS) found in larger packages.
In addition to its size advantages, Powermite® package features include a full metallic bottom that eliminates the possibility of solder flux entrapment during assembly, and a unique locking tab acts as an integral heat sink.
Its innovative design makes this device ideal for use with automatic insertion equipment.

FEATURES
* Surface Mount Packaging
* Integral Heat Sink Locking Tabs
* Compatible with automatic insertion equipment
* Full metallic bottom eliminates flux entrapment
* Zener voltage 3.3 to 200 Volts
* Low reverse leakage
* Tight tolerance available
* ESD Rating of >16kV per human body model  

1PMT5913B - 3.0 WATT Zener Diodes

DESCRIPTION
 Microsemi’s LX6512 is a cost effective, Direct Drive CCFL (Cold Cathode Fluorescent Lamp) controller.
The integrated controller is optimized to drive CCFL’s (Cold Cathode Fluorescent Lamps) using either resonant full bridge inverter topology or push-pull Direct Drive configurations.
Resonant full bridge topology provides near sinusoidal waveforms over a wide supply voltage range in order to maximize the life of CCFL lamps, control EMI emissions, and maximize efficiency.
This new architecture is also coupled with a wide dimming range capability.
For fixed input supply applications the LX6512 uses Direct Drive topology to supply fixed frequency PWM signals connected directly to the high voltage transformer primary via a single pair of NFET drivers, providing a simple, low cost inverter solution.
The LX6512 contains safety features that limit the transformer secondary voltage and protect against fault conditions which include open lamp, broken lamp and short-circuit faults.
The over voltage fault shutdown is disabled during a user programmable interval to allow lamp strike.
The controller can accept a brightness control signal that is either an analog voltage level, or a direct low frequency PWM.
Utilizing this signal it provides CCFL brightness dimming control using digital dimming, to achieve a wide dimming range (> 60 to 1).
An integrated 4V LDO (Low Dropout Regulator) powers all internal control circuitry and up to 5mA for external circuitry greatly simplifying supply voltage requirements.
The LX6512 is available in a 16-Pin TSSOP and 3x3 mm 16pin QFN.

KEY FEATURES
* Full Bridge or Direct Drive Push Pull Configurable
* Patented Striking Topology
* Low Stress to Transformers
* Wide Dimming Range
* Programmable Operating Dimming Frequency
* Programmable Time Out Protection
* Fixed Operating Frequency
* Open Lamp Voltage Protection, Short Lamp Protection, Over Voltage Protection
* Compatible with Existing Transformers

APPLICATIONS
* Note Book LCD displays
* Transportable Computers
* Web Tablet LCD displays
* Digital Picture Frame
* Monitor / TV
* Portable DVD Player

LX6512CLQ
LX6512CPW

 

LX6512 - High Performance CCFL controller

The LX5535 is a power amplifier optimized for WLAN applications in the 2.4-2.5 GHz frequency range. The PA is implemented as a three-stage monolithic microwave integrated circuit (MMIC) with active bias and output pre-matching.
The device is manufactured with an InGaP/GaAs Heterojunction Bipolar Transistor (HBT) IC process MOCVD). With single low voltage supply of 5V, it provides 32 dB power gain between 2.4-2.5GHz, at a low quiescent current of 120mA.
The output power for EVM(Error Vector Magnitude) of 3.5% is 25dBm 64QAM/54Mbps), where the PA consumes 260mA total DC current.
The LX5535 is available in a 16-pin 3mm x 3mm micro-lead package MLPQ-16L). The compact footprint, low profile, and thermal capability of the MLP package makes the LX5535 an ideal solution for high-gain power amplifier requirements for IEEE 802.11b/g and WiMAX applications.

KEY FEATURES
* Advanced InGaP HBT
* 2.4-2.5GHz Operation
* Single-Polarity 3-5V Supply
* Quiescent Current 120mA
* Power Gain 32 dB
* Power for EVM~3.5 % 54Mbps/64QAM : 25dBm
* Total Current 260mA for Pout=25dBm, 802.11g
* 802.11b mask-compliant power : 28dBm
* Total Current 370mA for Pout=+28dBm, 802.11b
* Small Footprint: 3x3mm2
* Low Profile: 0.9mm

APPLICATIONS
* IEEE 802.11b/g
* IEEE 802.16 WiMAX

 

LX5535 - InGaP HBT 2.4 – 2.5 GHz Power Amplifier