LT1930AES5 LINER [Linear Technology], LT1930AES5 Datasheet
LT1930AES5
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LT1930AES5 Summary of contents
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FEATURES 1.2MHz Switching Frequency (LT1930) 2.2MHz Switching Frequency (LT1930A) Low V Switch: 400mV at 1A CESAT High Output Voltage 34V 5V at 480mA from 3.3V Input (LT1930) 12V at 250mA from 5V Input (LT1930A) Wide Input Range: 2.6V ...
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... Note 3: Current limit guaranteed by design and/or correlation to static test ORDER PART NUMBER TOP VIEW LT1930ES5 LT1930AES5 4 SHDN S5 PART MARKING S5 PACKAGE LTKS = 125 C, = 256 LTSQ = ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Quiescent Current 7.0 NOT SWITCHING 6.5 6.0 LT1930A 5.5 5.0 4.5 LT1930 4.0 3.5 3.0 –50 – 100 50 75 TEMPERATURE ( C) 1930/A G01 Current Limit 1.6 1.4 1.2 1.0 ...
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LT1930/LT1930A W BLOCK DIAGRA 1.255V REFERENCE V OUT R1 (EXTERNAL (EXTERNAL) SHUTDOWN 4 SHDN U OPERATIO The LT1930 uses a constant frequency, current-mode control scheme to provide excellent line and load regula- tion. Operation can ...
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U U APPLICATIONS INFORMATION LT1930 AND LT1930A DIFFERENCES Switching Frequency The key difference between the LT1930 and LT1930A is the faster switching frequency of the LT1930A. At 2.2MHz, the LT1930A switches at nearly twice the rate of the LT1930. Care ...
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LT1930/LT1930A U U APPLICATIONS INFORMATION CAPACITOR SELECTION Low ESR (equivalent series resistance) capacitors should be used at the output to minimize the output ripple voltage. Multi-layer ceramic capacitors are an excellent choice, as they have extremely low ESR and are ...
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U U APPLICATIONS INFORMATION V OUT 0.2V/DIV AC COUPLED I LI 0.5A/DIV AC COUPLED LOAD 250mA CURRENT 150mA 200 s/DIV Figure 5. Transient Response of Step-Up Converter with 33 F Tantalum Output Capacitor and No Phase Lead Capacitor DIODE SELECTION ...
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LT1930/LT1930A U TYPICAL APPLICATIO S 4-Cell to 5V SEPIC Converter 6. 2.2 F LT1930 4-CELL 4 BATTERY SHDN SHDN FB GND 2 C1: TAIYO-YUDEN X5R LMK212BJ225MG D1: ON SEMICONDUCTOR ...
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U TYPICAL APPLICATIO 3. Boost Converter 4.7 F LT1930 4 3 OFF ON SHDN FB GND 2 C1: TAIYO-YUDEN ...
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LT1930/LT1930A U TYPICAL APPLICATIO S 9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start LT1930 SS 30k 4 V SHDN 3.3V GND ...
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PACKAGE DESCRIPTIO SOT-23 SOT-23 (Original) (ThinSOT) .90 – 1.45 1.00 MAX A (.035 – .057) (.039 MAX) .00 – .15 .01 – .10 A1 (.00 – .006) (.0004 – .004) .90 – 1.30 .80 – .90 A2 (.035 – .051) ...
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LT1930/LT1930A U TYPICAL APPLICATIO V 3.3V 3. Transient Response V OUT 50mV/DIV AC COUPLED I LI 0.5A/DIV AC COUPLED 300mA LOAD CURRENT 200mA 20 s/DIV RELATED PARTS PART NUMBER DESCRIPTION LT1307 Single Cell Micropower 600kHz PWM DC/DC Converter ...