LM3208TLX/NOPB ,650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers 8-DSBGA -30 to 85ELECTRICAL CHARACTERISTICSLimits in standard typeface are for T = T = 25°C. Limits in boldface type ..
LM320LZ-5.0 ,0.1 A, 0.6 W, 5 V, 3-terminal negative regulatorFeatures
I Preset output voltage error is less than i5% over load,
line and temperature
I LM ..
LM320LZ-5.0 ,0.1 A, 0.6 W, 5 V, 3-terminal negative regulatorfeatures fixed output voltages of -5V, --12V, and
-15V, with output current capabilities in excess ..
LM320MP-12 ,Series 3-Terminal Negative Regulators
LM321 ,Precision Preamplifierapplications where low bias current is more important thanandsupplyrejectionaremorethanafactorof50b ..
LM3211MTADJ ,Step-up PWM DC/DC Converter Integrated with 4 BuffersApplicationsLM3211 uses a patented internal circuitry to limit startupinrush current of the boost s ..
LMC6061AIMX ,Precision CMOS Single Micropower Operational Amplifier
LMC6061AIN ,Precision CMOS Single Micropower Operational Amplifier
LMC6061IMX ,Precision CMOS Single Micropower Operational Amplifier
LMC6062 ,Precision CMOS Dual Micropower Operational AmplifierFeatures (TypicalUnlessOtherwiseNoted)YLow offset voltage 100 mVThe LMC6062 is a precision dual low ..
LMC6062AIM ,Precision CMOS Dual Micropower Operational AmplifierApplicationsThis device is built with National’s advanced double-PolySilicon-Gate CMOS process. n I ..
LMC6062AIN ,Precision CMOS Dual Micropower Operational AmplifierElectrical Characteristics+ −Unless otherwise specified, all limits guaranteed for T = 25˚C. Boldfa ..
LM3208TLX NOPB-LM3208TLX/NOPB
650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
VDDPVIN
VCON
VIN
2.7V to 5.5V
VOUT
0.8V to 3.6V10 PF
4.7 PF
SGNDPGND
3.3 PH
LM3208VOUT = 2.5 x VCON powering RF power amplifiers (PAs) froma single
• Operates froma Single Li-Ion Cell (2.7Vto Lithium-Ion cell. However,it may be usedin many
5.5V)It steps down an input voltagein
Adjustable Output Voltage (0.8Vto 3.6V)to 5.5Vto an adjustable output to 3.6V. Output voltageis set by
• Fast Output Voltage Transient (0.8Vto 3.4Vin inputto control power levels and
25µs typ.) PA.
• 650mA Maximum Load Capability The LM3208 offers superior performance for mobile
• High Efficiency (95% typ.at 3.9VIN, 3.4VOUTat phones and similar RF PA applications. Fixed-
400mA) frequency PWM operation minimizes RF interference.
8-pin DSBGA Package A shutdown function turns the deviceoff and reduces
battery consumptionto 0.01µA (typ.).
• Current Overload Protection Thermal Overload Protection The LM3208is availableinan 8-pin lead-free DSBGA
package.A high switching frequency (2 MHz typ.)
allows useof tiny surface-mount components. Only
APPLICATIONSthree external surface-mount components, an
• Cellular Phones inductor and two ceramic capacitors, are required.
Hand-Held Radios RF PC Cards Battery Powered RF Devices
TYPICAL APPLICATION LM3208 Typical Application
