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Document overview
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Technical content
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 prov ides improved transient response and simplified loop compensation.
Ordering Information
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 VDD BP GDRV ISNS MSOP-10 G5321 65G N D VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 SHDN RVDD 10Ω CVDD 1µF SHDN RC SS COMP FB VDD BP GDRV ISNS MSOP-10 G5321 65G N D VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 SHDN RVDD 10Ω CVDD 1µF VIN RC SS COMP FB VDD BP GDRV ISNS GND RSENSE VOUT G5321 SHDN RVDD 10Ω CVDD 1µF