Datasheet LT3751 (Analog Devices) - 34
| Hersteller | Analog Devices |
| Beschreibung | High Voltage Capacitor Charger Controller with Regulation |
| Seiten / Seite | 34 / 34 — TYPICAL APPLICATION. 300V Regulated Power Supply. RELATED PARTS PART … |
| Dateiformat / Größe | PDF / 651 Kb |
| Dokumentensprache | Englisch |
TYPICAL APPLICATION. 300V Regulated Power Supply. RELATED PARTS PART NUMBER. DESCRIPTION. COMMENTS
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LT3751
TYPICAL APPLICATION 300V Regulated Power Supply
T1 V 1:10 D1 TRANS VOUT 24V 300V + C3 R6 C2 • 0mA TO 270mA 680µF 40.2k 2.2µF + ×5 C4 20µF RV • TRANS R7 OFF ON CHARGE 18.2k RDCM CLAMP RVOUT VCC V 24V CC C1 TO DONE HVGATE M1 R8* 10µF MICRO LVGATE V 274k CC FAULT R1 CSP 432k UVLO1 R5 * DEPENDING ON DESIRED OUTPUT VTRANS R2 LT3751 6mΩ VOLTAGE, R8 MUST BE SPLIT 475k OVLO1 CSN INTO MULTIPLE RESISTORS TO MEET MANUFACTURER’S VOLTAGE R3 SPECIFICATION. 432k UVLO2 FB VCC R4 C5 475k R9 10nF OVLO2 1.13k GND RBG 3751 TA08 C1: 25V X5R OR X7R CERAMIC CAPACITOR M1: FAIRCHILD FQP34N20L C2: 25V X5R OR X7R CERAMIC CAPACITOR R1 THROUGH R4: USE 1% 0805 RESISTORS C3: 25V ELECTROLYTIC R5: IRC LR SERIES 2512 RESISTOR C4: 330V RUBYCON PHOTOFLASH CAPACITOR T1: SUMIDA PS07-299, 20A TRANSFORMER D1: VISHAY US1M 1000V
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC3225 150mA Supercapacitor Charger VIN: 2.75V to 5.5V, Charges Two Supercapacitors in Series to 4.8V or 5.3V LT3420/LT3420-1 1.4A/1A, Photoflash Capacitor Charger Charges 220µF to 320V in 3.7 Seconds from 5V, VIN: 2.2V to 16V, ISD < 1µA, with Automatic Top-Off 10-Lead MS Package LT3468/LT3468-1/ 1.4A, 1A, 0.7A, Photoflash Capacitor Charger VIN: 2.5V to 16V, Charge Time: 4.6 Seconds for LT3468 (0V to 320V, 100µF, LT3468-2 VIN = 3.6V), ISD < 1µA, ThinSOT Package LT3484-0/LT3484-1/ 1.4A, 0.7A, 1A Photoflash Capacitor Charger VIN: 1.8V to 16V, Charge Time: 4.6 Seconds for LT3484-0 (0V to 320V, 100µF, LT3484-2 VIN = 3.6V), ISD < 1µA, 2mm × 3mm 6-Lead DFN Package LT3485-0/LT3485-1/ 1.4A, 0.7A, 1A, 2A Photoflash Capacitor VIN: 1.8V to 10V, Charge Time: 3.7 Seconds for LT3485-0 (0V to 320V, 100µF, LT3485-2/LT3485-3 Charger with Output Voltage Monitor and VIN = 3.6V), ISD < 1µA, 3mm × 3mm 10-Lead DFN Package Integrated IGBT LT3585-0/LT3585-1/ 1.2A, 0.55A, 0.85A, 1.7A Photoflash VIN: 1.5V to 16V, Charge Time: 3.3 Seconds for LT3585-3 (0V to 320V, 100µF, LT3585-2/LT3585-3 Capacitor Charger with Adjustable Input VIN = 3.6V), ISD < 1µA, 3mm × 2mm DFN-10 Package Current and IGBT Drivers LT3750 Capacitor Charger Controller VIN: 3V to 24V, Charge Time: 300ms for (0V to 300V, 100µF) MSOP-10 Package 3751fd 34 LT 1217 REV D • PRINTED IN USA www.linear.com/LT3751 For more information www.linear.com/LT3751 ANALOG DEVICES, INC. 2017 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATION 300V Regulated Power Supply
T1 V 1:10 D1 TRANS VOUT 24V 300V + C3 R6 C2 • 0mA TO 270mA 680µF 40.2k 2.2µF + ×5 C4 20µF RV • TRANS R7 OFF ON CHARGE 18.2k RDCM CLAMP RVOUT VCC V 24V CC C1 TO DONE HVGATE M1 R8* 10µF MICRO LVGATE V 274k CC FAULT R1 CSP 432k UVLO1 R5 * DEPENDING ON DESIRED OUTPUT VTRANS R2 LT3751 6mΩ VOLTAGE, R8 MUST BE SPLIT 475k OVLO1 CSN INTO MULTIPLE RESISTORS TO MEET MANUFACTURER’S VOLTAGE R3 SPECIFICATION. 432k UVLO2 FB VCC R4 C5 475k R9 10nF OVLO2 1.13k GND RBG 3751 TA08 C1: 25V X5R OR X7R CERAMIC CAPACITOR M1: FAIRCHILD FQP34N20L C2: 25V X5R OR X7R CERAMIC CAPACITOR R1 THROUGH R4: USE 1% 0805 RESISTORS C3: 25V ELECTROLYTIC R5: IRC LR SERIES 2512 RESISTOR C4: 330V RUBYCON PHOTOFLASH CAPACITOR T1: SUMIDA PS07-299, 20A TRANSFORMER D1: VISHAY US1M 1000V
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC3225 150mA Supercapacitor Charger VIN: 2.75V to 5.5V, Charges Two Supercapacitors in Series to 4.8V or 5.3V LT3420/LT3420-1 1.4A/1A, Photoflash Capacitor Charger Charges 220µF to 320V in 3.7 Seconds from 5V, VIN: 2.2V to 16V, ISD < 1µA, with Automatic Top-Off 10-Lead MS Package LT3468/LT3468-1/ 1.4A, 1A, 0.7A, Photoflash Capacitor Charger VIN: 2.5V to 16V, Charge Time: 4.6 Seconds for LT3468 (0V to 320V, 100µF, LT3468-2 VIN = 3.6V), ISD < 1µA, ThinSOT Package LT3484-0/LT3484-1/ 1.4A, 0.7A, 1A Photoflash Capacitor Charger VIN: 1.8V to 16V, Charge Time: 4.6 Seconds for LT3484-0 (0V to 320V, 100µF, LT3484-2 VIN = 3.6V), ISD < 1µA, 2mm × 3mm 6-Lead DFN Package LT3485-0/LT3485-1/ 1.4A, 0.7A, 1A, 2A Photoflash Capacitor VIN: 1.8V to 10V, Charge Time: 3.7 Seconds for LT3485-0 (0V to 320V, 100µF, LT3485-2/LT3485-3 Charger with Output Voltage Monitor and VIN = 3.6V), ISD < 1µA, 3mm × 3mm 10-Lead DFN Package Integrated IGBT LT3585-0/LT3585-1/ 1.2A, 0.55A, 0.85A, 1.7A Photoflash VIN: 1.5V to 16V, Charge Time: 3.3 Seconds for LT3585-3 (0V to 320V, 100µF, LT3585-2/LT3585-3 Capacitor Charger with Adjustable Input VIN = 3.6V), ISD < 1µA, 3mm × 2mm DFN-10 Package Current and IGBT Drivers LT3750 Capacitor Charger Controller VIN: 3V to 24V, Charge Time: 300ms for (0V to 300V, 100µF) MSOP-10 Package 3751fd 34 LT 1217 REV D • PRINTED IN USA www.linear.com/LT3751 For more information www.linear.com/LT3751 ANALOG DEVICES, INC. 2017 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts