Datasheet LTC3786 (Analog Devices) - 30

LTC3786 APPLICATIONS INFORMATION
DANGER HIGH VOLTAGE! OPERATION BY HIGH VOLTAGE TRAINED PERSONNEL ONLY
VBIAS SENSE+ VIN LTC3786 CIN 5V TO 12V 10nF RSENSE 15mΩ 22µF SENSE– T ×2 D VOUT PLLIN/MODE 1:10 350V 25k • COUT 10mA fSW = 105kHz RUN 68nF FREQ TG C 22Ω • ×2 SS 0.1µF SS 220pF CITH R SW 22nF ITH 8.66k BOOST ITH C BG MBOT ITHA 100pF INTVCC CINT 16.2k 4.7µF 1% GND VFB 100k PGOOD 1M 1M 1.5M 1% 1% 1% 3786 F15 CIN: TDK C3225X7R1C226M COUT: TDK C3225X7R2J683K D: VISHAY SILICONIX GSD2004S DUAL DIODE CONNECTED IN SERIES MBOT: VISHAY SILICONIX Si7850DP T: TDK DCT15EFD-U44S003
Figure 15. Low IQ High Voltage Flyback Power Supply
VBIAS SENSE+ VIN LTC3786 RSENSE CIN 5V TO 24V 6mΩ 10µF SENSE– ×2 L 10µH PLLIN/MODE RUN TG FREQ D V C OUT SS 0.1µF SW 24V + COUTB 2A SS COUTA 10µF 47µF C BOOST ITH 22nF ×4 RITH 8.66k BG MBOT ITH CITHA 100pF INTVCC CINT 12.1k 4.7µF 1% GND VFB 100k PGOOD 232k 1% 3786 F15 CIN, COUTA: MURATA GRM31CR61E106KA12 COUTB: KEMET T495X476K035AS D: ON SEMI MBRS340T3G L: VISAY SILICONIX IHLP-5050FD-01 10µH MBOT: VISHAY SILICONIX Si4840BDP
Figure 16. Low IQ Nonsynchronous 24V/2A Boost Converter
3786fc 30 For more information www.linear.com/LTC3786