品牌：LT
批号：17+
数量:10000
封装:SOT23-5
价格:面议
说明：全新原装现货，可出样品
IC特征：1.2MHz Switching Frequency (LT1930)■2.2MHz Switching Frequency (LT1930A)■Low VCESATSwitch: 400mV at 1A■High Output Voltage: Up to 34V■5V at 480mA from 3.3V Input (LT1930)■12V at 250mA from 5V Input (LT1930A)■Wide Input Range: 2.6V to 16V■Uses Small Surface Mount Components■Low Shutdown Current: <1μA■Low Profile (1mm) ThinSOTTMPackage■Pin-for-Pin Compatible with the LT1613Figure 1. 5V to 12V, 300mA Step-Up DC/DC Converter■TFT-LCD Bias Supply■Digital Cameras■Cordless Phones■Battery Backup■ Medical Diagnostic Equipment ■ Local 5V or 12V Supply ■ External Modems ■ PC Cards ■ xDSL Power Supply Efficiency The LT ® 1930 and LT1930A are the industry’s highest power SOT-23 switching regulators. Both include an internal 1A, 36V switch allowing high current outputs to be generated in a small footprint. The LT1930 switches at 1.2MHz, allowing the use of tiny, low cost and low height capacitors and inductors. The faster LT1930A switches at 2.2MHz, enabling further reductions in inductor size. Complete regulator solutions approaching one tenth of a square inch in area are achievable with these devices. Multiple output power supplies can now use a separate regulator for each output voltage, replacing cumbersome quasi-regulated approaches using a single regulator and custom transformers. A constant frequency internally compensated current mode PWM architecture results in low, predictable output noise that is easy to filter. Low ESR ceramic capacitors can be used at the output, further reducing noise to the millivolt level. The high voltage switch on the LT1930/LT1930A is rated at 36V, making the device ideal for boost converters up to 34V as well as for single-ended primary inductance converter (SEPIC) and flyback designs. The LT1930 can generate 5V at up to 480mA from a 3.3V supply or 5V at 300mA from four alkaline cells in a SEPIC design. The LT1930/LT1930A are available in the 5-lead ThinSOT package. GND V IN SW SHDN FB V IN 5V 4 51 3 D1 L1 10 μ H 2 R1 113k LT1930 1930/A F01 C2 4.7 μ F C3* 10pF C1 2.2 μ F R2 13.3k V OUT 12V 300mA C1: TAIYO-YUDEN X5R LMK212BJ225MG C2: TAIYO-YUDEN X5R EMK316BJ475ML D1: ON SEMICONDUCTOR MBR0520 L1: SUMIDA CR43-100 *OPTIONAL SHDN LOAD CURRENT (mA) 0 EFFICIENCY (%) 70 75 80 400 1930 TA01 65 60 50 100 200 300 55 90 85 V IN = 5V V IN = 3.3V , LTC and LT are registered trademarks of Linear Technology Corporation ThinSOT is a trademark of Linear Technology Corporation.
联系人:程小姐
手机:15919480276
电话:0755- 21015360 & 23038182
传真:0755-23038182
地址:深圳市福田区振华路海外装饰大厦综合大楼2栋B段4楼4014B-33C
