General Description
The HMC-C050 is a GaAs HBT Ultra Low Noise Amplifi er in a miniature, hermetic module designed to operate between 2 and 18 GHz. This high dynamic range amplifi er module provides 13.5 dB of gain, 5 dB noise fi gure and up to +22.5 dBm of OIP3 with a single supply of +5V. The ultra low phase noise contribution of -160 dBc/Hz, enables superior modulation accuracy within transceiver architectures. The wideband distributed amplifi er I/O’s are internally matched to 50 Ohms and DC blocked for robust performance. The module features removable SMA connectors which can be detached to allow direct connection of the I/O pins to a microstrip or coplanar circuit.

Features
*ultra Low Phase Noise: -160 dBc/Hz @ 10 kHz
*Noise Figure: 5 dB
*Gain: 13.5 dB
*Output IP3: +22.5 dBm
*50 Ohm Matched Input/Output
*Single Supply Voltage: +5V
*Hermetically Sealed Module
*Field Replaceable SMA Connectors
*-55 to +85˚C Operating Temperature

Typical Applications
The HMC-C050 is ideal for:
*Microwave Radio
*Military & Space
*Test Instrumentation
*VSAT

DESCRIPTION
The KB3511 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version and fixed output voltages of 1.8V and 3.3V. Supply current during operation is only 25μA and drops to 1μA in shutdown. The 2.5V to 6.5V input voltage range makes the KB3511 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.
Automatic Trickle Mode operation increases efficiency at light loads, further extending battery life. Switching frequency is internally set at 2.2MHz, allowing the use of small surface mount inductors and capacitors.
The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage. The KB3511 is available in a low profile (0.8mm) DFN33-10 package.

FEATURES
*Up to 97% Efficiency
*25uA No Load Current Per Channel
*800mA Output Current
*2.5V to 6.5V Input Voltage Range
*2.2MHz Constant Frequency Operation
*No Schottky Diode Required
*Low Dropout Operation: 100% Duty Cycle
*0.6V Reference Allows Low Output Voltages
*Shutdown Mode Draws 1μA Supply Current
*Current Mode Operation for Excellent Line and Load Transient Response
*Overtemperature Protected
*DFN33-10 Package

APPLICATIONS
*Cellular Telephones
*Personal Information Appliances
*Wireless and DSL Modems
*Digital Still Cameras
*MP3 Players
*Portable Instruments

KB3511A, KB3511B

General Description
The RT9198/A is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9198/A performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life.
The RT9198/A also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The RT9198/A consumes less than 0.01uA in shutdown mode and has fast turn-on time less than 50us.
The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. Available in the SOT-23-3, SOT-23-5,
TSOT-23-3, TSOT-23-5, SC-70-5, SC-82, MSOP-8 and WDFN-6L 2x2 packages, the RT9198/A also offers a range from 1.5V to 5.0V with 0.1V per step.

Features
*Low-Noise for RF Application
*Fast Response in Line/Load Transient
*Quick Start-Up (Typically 50us)
*< 0.01uA Standby Current When Shutdown
*Low Dropout : 220mV @ 300mA
*Wide Operating Voltage Ranges : 2.5V to 5.5V
*TTL-Logic-Controlled Shutdown Input
*Low Temperature Coefficient
*Current Limiting Protection
*Thermal Shutdown Protection
*Only 1uF Output Capacitor Required for Stability
*High Power Supply Rejection Ratio
*Custom Voltage Available
*RoHS Compliant and 100% Lead (Pb)-Free

Applications
*CDMA/GSM Cellular Handsets
*Battery-Powered Equipment
*Laptop, Palmtops, Notebook Computers
*Hand-Held Instruments
*PCMCIA Cards
*Portable Information Appliances

RT9198A, RT9198-15PU5, RT9198-16PU5

Description
 The HIP6211 is a dual CMOS low dropout linear regulator with ultra-low-noise output, very low
dropout voltage and very low ground current.
The HIP6211 operates from a 2.5V to 5.5V input voltage range and delivers up to 300mA, with low dropout of 150 mV at 300mA.
The other features of HIP6211 include short-circuit protection and thermal-shutdown protection.
Its dual channel and low noise feature is ideal for microcontroller and DSP based handheld
applications.
Other key application areas for HIP6211 also include palmtop computers, PCMCIA cards and
WLAN cards.
The HIP6211 has a special feature that if both EN pin is enabled simultaneously the output of LDO2 delays 20us from output of LDO1 which helps to minimize inrush startup current.
The HIP6211 is available in tiny 10pin 3mm x 3mm MLF (10L-TDLMF) package with fixed output voltage versions.

Features
• 300mA+300mA dual channel high accuracy LDO
• Ultra low output noise: 140μVRMS
• Low ground current: 200μA
• Very low dropout: 150mV @300mA
• Zero shutdown supply current
• TTL-logic-controlled independent enable input
• Thermal and current limit protections
• Ultra low droop load transient response
• Ultra fast line transient response
• Tiny 10pin 3mm x 3mm MLF (10L-TDLMF ) package
• Fixed options 1.5V, 1.8V, 2.5V, 2.8V, 3.0V and 3.3V

Applications
• Dual supply handheld products
• Cellular and cordless phones
• Wireless LAN cards
• Digital camera
• MP3 / MP4 / CD player
• Pen drives
• USB Hubs and USB 2.0
• Mini PCI & PCI express cards

HIP6211-15VZ
HIP6211–33VZ
HIP6211–27VZ

General Description
The MIC4832 is a low noise 220Vp-p electroluminescent lamp (EL) driver. Using advanced Bipolar, CMOS, DMOS (BCD) technology, the MIC4832 integrates a high voltage boost converter and an H-bridge driver for driving a large EL lamp. The MIC4832 can drive large panel displays for mobile phones, multimedia players or automotive electronics where EL panels are used for backlighting.
The MIC4832 offers design flexibility with adjustable lamp and boost converter frequencies, simply by applying external resistors. A new H-Bridge design reduces audible noise by creating smoother AC voltage across the EL panel.
The MIC4832 is offered in MLF® 3mm x 3mm and MSOP- 8 lead-free and RoHS compliant packaging with a -40°C to 85°C junction temperature range.


Features
• 1.8V to 5.5V DC input voltage
• 220Vpp output voltage capable
• Low audible noise EL drive waveform
• Supports EL panel sizes up to 3in2 (19cm2)
• Low 45μA operating supply current
• Small inductor size with low profile (220uH)
• Tiny 8-pin 3mm x 3mm MLF® package
• Adjustable boost converter frequency
• Adjustable EL lamp frequency
• 10nA shutdown current

Applications
• LCD panel backlight
• Mobile Phones
• PDAs
• Pagers
• Calculators
• Multimedia Players
• Remote controls
• GPS Receivers

MIC4832YML
MIC4832YMM

General Description
The AS1361/AS1362 are ultra-low-noise, low-dropout linear regulators specifically designed to deliver up to 150/300mA continuous output current, and can achieve a low 140mV dropout for 300mA load current. The LDOs are designed and optimized to work with low-cost, smallcapacitance ceramic capacitors.
The AS1361/AS1362 uses an advanced architecture to achieve ultra-low output voltage noise of 9μVRMS and a power-supply rejection-ratio of better than 80dB (up to 10kHz).
An active-Low, open-drain power-ok output indicates if the output voltage is within regulation.
The AS1361/AS1362 requires only 1μF output capacitor for stability at any load. When the LDO is disabled, current consumption drops below 500nA.
The devices are available in a TSOT23 6-pin package.

Key Features
* Preset Output Voltages: 1.5 to 4.5V (in 50mV steps)
* Output Noise: 9μVRMS @ 100Hz to 100kHz
* Power-Supply Rejection Ratio: 92dB @ 1kHz
* Low Dropout: 140mV @ 300mA Load
* Power-OK Output
* Stable with 1μF Ceramic Capacitor for any Load
* Guaranteed 150/300mA Output
* 1.25V Internal Reference
* Extremely-Low Quiescent Current: 40μA
* Excellent Load/Line Transient
* Overcurrent and Thermal Protection
* TSOT23 6-pin Package

Applications
The devices are ideal for mobile phones, wireless phones, PDAs, handheld computers, mobile phone base stations, Bluetooth portable radios and accessories, wireless LANs, digital cameras, personal audio devices, and any other portable, battery-powered application.

General Description
The MIC4830 is a low noise 180Vp-p electroluminescent lamp (EL) driver. Using advanced Bipolar, CMOS, DMOS (BCD) technology, the MIC4830 integrates a high voltage boost converter and an H-bridge driver for driving a large EL lamp. The MIC4830 can drive large panel displays for mobile phones, multimedia players or automotive electronics where EL panels are used for backlighting.
The MIC4830 offers design flexibility with adjustable lamp and boost converter frequencies, simply by applying external resistors. A new H-Bridge design reduces audible noise by creating smoother AC voltage across the EL panel.
The MIC4830 is offered in MLF® 3mm × 3mm and MSOP-8 Pb-free and RoHS compliant packaging with a –40°C to 85°C junction temperature range.
Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com.

Features
• 1.8V to 5.5V input voltage
• 180Vpp output voltage
• Low audible noise EL drive waveform
• Supports EL panel sizes up to 4in2 (25cm2)
• Low 45μA operating supply current
• Small inductor size with low profile (220μH)
• Tiny 3mm × 3mm MLF®-8L package
• Adjustable boost converter frequency
• Adjustable EL lamp frequency
• Low 10nA shutdown current

Applications
• LCD panel backlight
• Mobile Phones
• PDAs
• Pagers
• Calculators
• Multimedia Players
• Remote controls
• GPS Receivers

MIC4830YML
MIC4830YMM

General Description
The AS1301 is a 50mA inductorless boost converter using a double H-bridge charge-pump topology with two external flying capacitors.
The AS1301 runs on a 1MHz fixed frequency and is utilized with a low noise regulation scheme to allow usage together with sensitive RF circuitry from the same battery supply.
Designed to reside in portable and space limited equipment the 1MHz charge pump converts a 2.7 to 5.25V input to regulated 5V output with 5% accuracy.
The shutdown function reduces the supply current to 5uA and disconnects the load from the output. The integrated soft-start circuitry prevents current spikes being drawn from the battery during start-up.
The AS1301 is available in TDFN (3x3x0.8mm) 10-pin and WL-CSP 8-bumps packages.

Key Features
* Up to 92% Efficiency
* 2.7 to 5.25V Input Voltage
* Regulated 5V Output
* Automatic Mode Up-Switching
* <5μA Shutdown Current
* 5V Tolerant Enable Signal
* Up to 50mA Load Current
* Overload Protection
* Output Disconnected During Shutdown
* Soft Start
* No Inductor Required
* Small External Components Required (COUT ≤2.2μF, CFLY ≤220nF)
* Low Noise Fixed Frequency 1MHz Charge Pump:
-1:1 Battery Feed Through Mode
-2:3 Single Phase Mode
-1:2 Dual Phase Mode
* Package Options:
-TDFN (3x3x0.8mm) 10-pin
-WL-CSP 8-bumps with 0.5mm pitch

Applications
The device is ideal for dual/triple AA cells or single Li-Ion battery cell to 5V conversion, mobile phones, portable instruments, microprocessor based systems, remote data-acquisition systems, inductorless DC-DC conversion.

FEATURES
* LOW TEMPERATURE DRIFT:
+ High-Grade: 3ppm/°C (max)
+ Standard-Grade: 8ppm/°C (max)
* HIGH ACCURACY:
   + High-Grade: 0.05% (max)
   + Standard-Grade: 0.1% (max)
* LOW NOISE: 3μVPP/V
* HIGH OUTPUT CURRENT: ±10mA
* TEMPERATURE RANGE: +40°C to +125°C

APPLICATIONS
* 16-BIT DATA ACQUISITION SYSTEMS
* ATE EQUIPMENT
* INDUSTRIAL PROCESS CONTROL
* MEDICAL INSTRUMENTATION
* OPTICAL CONTROL SYSTEMS
* PRECISION INSTRUMENTATION

DESCRIPTION
The REF50xx is a family of low-noise, low-drift, very high precision voltage references. These references are capable of both sinking and sourcing, and are very robust with regard to line and load changes.
Excellent temperature drift (3ppm/°C) and high accuracy (0.05%) are achieved using proprietary design techniques. These features, combined with very-low noise make the REF50xx family ideal for use in high-precision data acquisition systems.
Each reference voltage is available in both standardand high-grade versions. They are offered in MSOP-8 (available Q3, 2007) and SO-8 packages, and are specified from +40°C to +125°C.

REF5020
REF5025
REF5030
REF5040
REF5045
REF5050

FEATURES
* Guaranteed 300mA load/ LDO
* Ultra low output noise: 100μVRMS
* Low ground current: 200μA
* Very low dropout: 180mV @300mA
* Zero shutdown supply current
* TTL-logic-controlled independent enable input
* Thermal and current limit protections
* Low ESR capacitor compatibility to achieve
* Ultra low droop load transient response
* Ultra fast line transient response
* Tiny 10pin 3mm x 3mm MLF (10L-TDLMF ) package
* Fixed options 1.5V, 1.8V, 2.5V, 2.8V, 3.0V and 3.3V

APPLICATIONS
* Cellular and cordless phones
* Wireless LAN cards
* Palmtop computers
* Personal communication equipment

DESCRIPTION
The PL2211 is a dual CMOS low dropout linear regulator with ultra-low-noise output, very low dropout voltage and very low ground current.
The PL2211 operates from a 2.5V to 5.5V input voltage range and delivers up to 300mA, with low dropout of 200 mV at 300mA. The other features of PL2211 include short-circuit protection and thermal-shutdown protection.
The PL2211 is designed especially for battery-powered portable devices. Its low noise feature makes PL2211 ideal for noise-sensitive personal communication applications. Other key application areas for PL2211 also include palmtop computers, PCMCIA cards and WLAN cards.
The PL2211 has a special feature that if both EN pin is enabled simultaneously the output of LDO2 delays 20us from output of LDO1 which helps to minimize inrush startup current.
The PL2211 is available in tiny 10pin 3mm x 3mm MLF (10L-TDLMF) package with fixed output voltage versions.