Datasheet LT8304, LT8304-1 (Analog Devices) - 28
| Manufacturer | Analog Devices |
| Description | 100VIN Micropower No-Opto Isolated Flyback Converter with 150V/2A Switch |
| Pages / Page | 28 / 28 — TYPICAL APPLICATION. 4V to 100VIN/140VOUT Boost Converter. Efficiency vs … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
TYPICAL APPLICATION. 4V to 100VIN/140VOUT Boost Converter. Efficiency vs Load Current. RELATED PARTS PART NUMBER. DESCRIPTION
Model Line for this Datasheet
Text Version of Document
LT8304/LT8304-1
TYPICAL APPLICATION 4V to 100VIN/140VOUT Boost Converter
L1 VOUT 150µH D1 V 140V IN 4V TO 100V 1.5mA TO 25mA (VIN = 5V) 2mA TO 300mA (VIN = 48V) VIN SW 7mA TO 700mA (VIN = 100V) EN/UVLO RFB C3 C1 R3 R4 Z1 10µF LT8304 1µF 1M 499k INTV R CC REF Z2 D1: DIODES DFLS1200 C2 R5 GND L1: COILCRAFT DS5022P-154MLB 1µF 3.57k Z1, Z2: CENTRAL CMHZ5207B 8304 TA11a
Efficiency vs Load Current
100 90 80 70 EFFICIENCY (%) 60 V 50 IN = 5V VIN = 48V VIN = 100V 40 1 10 100 1000 LOAD CURRENT (mA) 8304 TA11b
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT8300 100VIN Micropower Isolated Flyback Converter with Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 150V/260mA Switch LT8301 42VIN Micropower Isolated Flyback Converter with 65V/1.2A Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 Switch LT8302 42VIN Micropower Isolated Flyback Converter with 65V/3.6A Low IQ Monolithic No-Opto Flyback, 8-Lead SO-8E Switch LT8303 100VIN Micropower Isolated Flyback Converter with Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 150V/450mA Switch LT8309 Secondary-Side Synchronous Rectifier Driver 4.5V ≤ VCC ≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23 LT3573/LT3574 40V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A LT3575 Switch LT3511/LT3512 100V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 240mA/420mA Switch, MSOP-16(12) LT3748 100V Isolated Flyback Controller 5V ≤ VIN ≤ 100V, No-Opto Flyback, MSOP-16(12) LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC VIN and VOUT Limited Only by External Components LT3757A/LT3759/ 40V/100V Flyback/Boost Controllers Universal Controllers with Small Package and Powerful Gate Drive LT3758 LT3957/LT3958 40V/80V Boost/Flyback Converters Monolithic with Integrated 5A/3.3A Switch 8304fa 28 LT 0217 REV A • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT8304 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8304 LINEAR TECHNOLOGY CORPORATION 2016 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATION 4V to 100VIN/140VOUT Boost Converter
L1 VOUT 150µH D1 V 140V IN 4V TO 100V 1.5mA TO 25mA (VIN = 5V) 2mA TO 300mA (VIN = 48V) VIN SW 7mA TO 700mA (VIN = 100V) EN/UVLO RFB C3 C1 R3 R4 Z1 10µF LT8304 1µF 1M 499k INTV R CC REF Z2 D1: DIODES DFLS1200 C2 R5 GND L1: COILCRAFT DS5022P-154MLB 1µF 3.57k Z1, Z2: CENTRAL CMHZ5207B 8304 TA11a
Efficiency vs Load Current
100 90 80 70 EFFICIENCY (%) 60 V 50 IN = 5V VIN = 48V VIN = 100V 40 1 10 100 1000 LOAD CURRENT (mA) 8304 TA11b
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT8300 100VIN Micropower Isolated Flyback Converter with Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 150V/260mA Switch LT8301 42VIN Micropower Isolated Flyback Converter with 65V/1.2A Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 Switch LT8302 42VIN Micropower Isolated Flyback Converter with 65V/3.6A Low IQ Monolithic No-Opto Flyback, 8-Lead SO-8E Switch LT8303 100VIN Micropower Isolated Flyback Converter with Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 150V/450mA Switch LT8309 Secondary-Side Synchronous Rectifier Driver 4.5V ≤ VCC ≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23 LT3573/LT3574 40V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A LT3575 Switch LT3511/LT3512 100V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 240mA/420mA Switch, MSOP-16(12) LT3748 100V Isolated Flyback Controller 5V ≤ VIN ≤ 100V, No-Opto Flyback, MSOP-16(12) LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC VIN and VOUT Limited Only by External Components LT3757A/LT3759/ 40V/100V Flyback/Boost Controllers Universal Controllers with Small Package and Powerful Gate Drive LT3758 LT3957/LT3958 40V/80V Boost/Flyback Converters Monolithic with Integrated 5A/3.3A Switch 8304fa 28 LT 0217 REV A • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT8304 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8304 LINEAR TECHNOLOGY CORPORATION 2016 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts