YB1517ST25 YOBON [YOBON TECHNOLOGIES,INC.], YB1517ST25 Datasheet
YB1517ST25
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YB1517ST25 Summary of contents
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Description The YB1517 is a Current-mode PWM step-up DC-DC converter. It can drive up to 18V at 3.0V input and 30V at 5.0V input. The 1 MHz switching frequency allows it to work with tiny external components, therefore minimize the ...
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... CTRL 4 VIN 5 Ordering Information Table 2 Order Number YB1517ST25 YB1517 MRev.1.0 Step-up DC-DC Converter & White LED Driver Figure 3 : YB1517 Pin Configuration Description Switching Pin. This is the collector of the internal NPN power switch. Connect to inductor and diode. Minimize the metal trace area connected to this pin to reduce EMI. ...
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Absolute Maximum Ratings VIN ................................................................................. 20V SW Voltage .................................................................... 35V FB Voltage .......................................................................5V CTRL Voltage...................................................................5V Maximum Junction Temp,TJ (not 2) ............................150°C Lead Temperature (Soldering 10 sec) .........................250°C Thermal Resistance (SOT-25, θJA) .......................250℃/W Internal Power Disspation (SOT-25, PD)...................... 0.4W Electricity Characteristics ...
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Typical Characteristics YB1517 MRev.1.0 Step-up DC-DC Converter & White LED Driver www.yobon.com.tw YB1517 4 ...
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YB1517 MRev.1.0 Step-up DC-DC Converter & White LED Driver www.yobon.com.tw YB1517 5 ...
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YB1517 MRev.1.0 Step-up DC-DC Converter & White LED Driver www.yobon.com.tw YB1517 6 ...
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Functional Block Operation The YB1517 uses a constant frequency, current mode control scheme to regulate the output voltage. Its operation can be understood by referring to the block diagram in Figure 3. At the start of each oscillator cycle, a ...
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Inductor Selection A 22uH inductor is recommended for most applications to the converter and OLED supply and TFT panel power supply . Although small size and ...
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Figure 4 : Typical Application Circuit Figure 5 : TFT Panel Power Application Circuit YB1517 MRev.1.0 Step-up DC-DC Converter & White LED Driver www.yobon.com.tw YB1517 9 ...
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Package Description All the contains in this datasheet are not assuming any responsibility for use of any circuitry described no circuit patent license are implied and Yobon reserves the right at any time without notice to change said circuitry and ...