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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 G5322 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) G5322F61U G5322 -40 °C to +125°C MSOP-10 (FD) Note:F6:MSOP-10 (FD) 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit SHDN RC SS COMP FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. VDD BP GDRV ISNS MSOP-10 (FD) G5322 65O V P Thermal Pad

11 GND

10Ω CVDD 1µF SHDN RC SS COMP FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. VDD BP GDRV ISNS MSOP-10 (FD) G5322 65O V P Thermal Pad 10Ω CVDD 1µF VIN RC SS COMP FB VDD BP GDRV ISNS OVP RSENSE VOUT G5322 SHDN GND RVDD 10Ω CVDD 1µF

Ver: 0.1 Jan 02, 2013 TEL: 886-3-5788833 http://www.gmt.com.tw G5322AGlobal Mixed-mode Technology Current Mode Boost Controller „ 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 „ LED Lighting „ Industrial Control Systems „ Battery Powered Systems General Description The G5322A 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. NUMBER MARKING TEMP. RANGE PACKAGE (Green) G5322AF61U G5322A -40 °C to +125°C MSOP-10 (FD) Note:F6:MSOP-10 (FD) 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit SHDN RC SS COMP FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. VDD BP GDRV ISNS MSOP-10 (FD) G5322A 65O V P Thermal Pad 10Ω CVDD 1µF SHDN RC SS COMP FB Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. VDD BP GDRV ISNS MSOP-10 (FD) G5322A 65O V P Thermal Pad 10Ω CVDD 1µF