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G5321 Datasheet(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G5321 Datasheet(HTML) 1 Page - Global Mixed-mode Technology Inc |
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1 / 1 page  Ver: 0.1 Aug 21, 2012 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G5321 Global Mixed-mode Technology Current Mode Boost Controller Features Input Voltage: 4.5V to 27V Adjustable Oscillator Frequency Fixed Frequency Current Mode Control Integrated Low-Side Driver Programmable Soft Start Over Current Protection Reference 700mV Low Power Shutdown Function Applications LED Lighting Industrial Control Systems Battery Powered Systems General Description The G5321 is a wide input voltage (4.5V to 27V), non-synchronous boost controller. It is suitable for topologies including boost, flyback, SEPIC and various LED Driver applications which require a grounded source N-channel FET. The device fea- tures include programmable soft start, over current protection with automatic retry, programmable os- cillator frequency and integrated Low-side driver. Current mode control provides improved transient response and simplified loop compensation. Ordering Information ORDER NUMBER MARKING TEMP. RANGE PACKAGE (Green) G5321P71U G5321 -40°C to +125°C MSOP-10 Note:P7: MSOP-10 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit SHDN RC SS COMP FB 10 8 7 1 2 3 4 VDD BP GDRV ISNS MSOP-10 G5321 9 6 5GND VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 1 2 3 4 5 6 7 8 9 10 SHDN RVDD 10 Ω CVDD 1µF SHDN RC SS COMP FB 10 8 7 1 2 3 4 VDD BP GDRV ISNS MSOP-10 G5321 9 6 5GND VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 1 2 3 4 5 6 7 8 9 10 SHDN RVDD 10 Ω CVDD 1µF VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 1 2 3 4 5 6 7 8 9 10 SHDN RVDD 10 Ω CVDD 1µF |
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