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LM2622 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM2622 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 27 page LM2622 RFB! 40.2k L 10uH CC 2.2nF D RC 24k CIN 22UF COUT 22uF RFB2 7.5k SHDN 3 VIN 6 SW 5 FSLCT 7 FB 2 GND 4 VC 1 8V 2.7V - 3.3V Battery or Power Source LM2622 www.ti.com SNVS068E – MAY 2000 – REVISED MARCH 2013 LM2622 600kHz/1.3MHz Step-up PWM DC/DC Converter Check for Samples: LM2622 1 FEATURES DESCRIPTION The LM2622 is a step-up DC/DC converter with a 2 • 1.6A, 0.2 Ω, Internal Switch 1.6A, 0.2 Ω internal switch and pin selectable • Operating Voltage as Low as 2.0V operating frequency. With the ability to convert 3.3V • 600kHz/1.3MHz Pin Selectable Frequency to multiple outputs of 8V, -8V, and 23V, the LM2622 Operation is an ideal part for biasing TFT displays. The LM2622 can be operated at switching frequencies of 600kHz • Over Temperature Protection and 1.3MHz allowing for easy filtering and low noise. • 8-Lead VSSOP Package An external compensation pin gives the user flexibility in setting frequency compensation, which makes APPLICATIONS possible the use of small, low ESR ceramic capacitors at the output. The LM2622 is available in a • TFT Bias Supplies low profile 8-lead VSSOP package. • Handheld Devices • Portable Applications • GSM/CDMA Phones • Digital Cameras Typical Application Circuit Figure 1. 600 kHz Operation 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 © 2000–2013, 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. |
Số phần tương tự - LM2622_15 |
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Mô tả tương tự - LM2622_15 |
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