LM3205TLX

• 2 MHz (typical) PWM switching frequency
• Uses a single lithium-ion battery (2.7V to 5.5V)
• Variable Output Voltage (0.8V to 3.6V)
• Fast Transient Output Voltage (20 microseconds from 0.8V to 3.6V)
• 650 mAh maximum load capacity
• High efficiency (96% typical at 4.2V, 3.4V at 400 mA OUT) from the inside synchronized rectification
• Current overload protection
• Thermal overload protection

pack

• 8-pin microSMD (lead-free)
• 10-pin LLP

illustrate

should LM3205 It is an RF power amplifier (PA) optimization for DC-DC converter-powered single-cell lithium-ion batteries, but they may be used in many other applications. It has an input voltage from 2.7V to 5.5V to a variable output voltage of 3.6V (typical) from 0.8V (typical). The output voltage setting uses a V CON analog to control the power level and efficiency of the RF power amplifier input.

should LM3205 Provides superior performance for mobile phones and similar RF PA applications. Fixed-frequency PWM operation minimizes RF interference. The shutdown function powers off the device and reduces battery consumption to 0.01μA (typical).

should LM3205 It is available in micro SMD and LLP packages. For all other package options, contact your local NSC sales office.

The high switching frequency (2 MHz) allows for tiny surface mount components. Only three small external surface mount elements, inductors and two ceramic capacitors are required.

apply

• Cellular phones
• Handheld walkie-talkie
• RF PC card
• Battery-powered RF devices