Datenblatt-Suchmaschine für elektronische Bauteile |
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LM3200 Datenblatt(PDF) 1 Page - Texas Instruments |
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LM3200 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 24 page BYP FB EN VDD PVIN VCON SW VIN 2.7V to 5.5V VOUT 0.8V to 3.6V CIN 10 PF COUT 4.7 PF SGND PGND L 2.2 PH LM3200 VCON 0.267V to 1.20V VOUT = 3 x VCON BYPOUT LM3200 www.ti.com SNVS319C – NOVEMBER 2004 – REVISED APRIL 2013 LM3200 Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers Check for Samples: LM3200 1 FEATURES DESCRIPTION The LM3200 is a DC-DC converter optimized for 2 • 2 MHz (typ.) PWM Switching Frequency powering RF power amplifiers (PAs) from a single • Operates from a Single Li-Ion Cell (2.7V to Lithium-Ion cell. It steps down an input voltage of 5.5V) 2.7V to 5.5V to a variable output voltage of 0.8V to • Variable Output Voltage (0.8V to 3.6V) 3.6V. The output voltage is set using an analog input ( VCON) for optimizing efficiency of the RF PA at • 300 mA Maximum Load Capability (PWM various power levels. Mode) The LM3200 offers superior features and • 500 mA Maximum Load Capability (Bypass performance for mobile phones and similar RF PA Mode) applications. Fixed-frequency PWM mode minimizes • PWM, Forced and Automatic Bypass Mode RF interference. Bypass mode turns on an internal • High Efficiency (96% Typ at 3.6VIN, 3.2VOUT at bypass switch to power the PA directly from the 120 mA) from Internal Synchronous battery. LM3200 has both forced and automatic bypass modes. Shutdown mode turns the device off Rectification and reduces battery consumption to 0.1 µA (typ.). • 10-pin DSBGA Package The LM3200 is available in a 10-pin lead free DSBGA • Current Overload Protection package. A high switching frequency (2 MHz) allows • Thermal Overload Protection use of tiny surface-mount components. Only three small external surface-mount components, an inductor and two ceramic capacitors are required. APPLICATIONS • Cellular Phones • Hand-Held Radios • RF PC Cards • Battery Powered RF Devices TYPICAL APPLICATION 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Ähnliche Teilenummer - LM3200_15 |
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Ähnliche Beschreibung - LM3200_15 |
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