Datasheet LT3798 (Analog Devices) - 17
| Fabricante | Analog Devices |
| Descripción | Isolated No Opto-Coupler Flyback Controller with Active PFC |
| Páginas / Página | 20 / 17 — TYPICAL APPLICATIONS. Universal Input 24W PFC Bus Converter. Universal … |
| Formato / tamaño de archivo | PDF / 423 Kb |
| Idioma del documento | Inglés |
TYPICAL APPLICATIONS. Universal Input 24W PFC Bus Converter. Universal Input 48W PFC Application
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LT3798
TYPICAL APPLICATIONS Universal Input 24W PFC Bus Converter
L2 800µH L1 BR1 33mH R17 C1 R7 90V D2 20Ω 0.068µF C2 100k TO 265V 4:1:1 R3 AC 0.1µF 499k R8 C4 100k C5 4.7pF R4 10µF R13 499k 2k D3 R14 VIN DCM D4 90.9k 24V R5 VIN_SENSE FB Z1 1A 1M + C10 R15 C6 560µF EN/UVLO 4.99k 22pF × 2 R6 D1 95.3k LT3798 R16 20Ω V GATE REF M1 Z2 R11 R9 SENSE CTRL3 100k 40.2k BR1: DIODES, INC. HD06 CTRL2 INTVCC RS C9 C8: VISHAY 440LD22-R 0.05Ω C8 CTRL1 4.7µF D1: CENTRAL SEMICONDUCTOR CMR1U-06M GND 2.2nF D2, D3: DIODES INC. BAV20W OVP D4: CENTRAL SEMICONDUCTOR CMR1U-02M R12 R10 COMP+ VC COMP– M1: FAIRCHILD FDPF15N65 “Y1 CAP” T1: COILCRAFT JA4429-AL 221k 16.5k C3 C7, 0.1µF Z1: FAIRCHILD SMBJ170A 2.2µF Z2: CENTRAL SEMICONDUCTOR CMZ5937B 3798 TA02
Universal Input 48W PFC Application
L1 1mH L2 BR1 27mH C1 0.1µF R3 R7 R17 90V D2 499k 100k 47Ω TO 265V C2 0.22µF R4 R8 AC C4 4:1:1 499k 100k C5 22pF 10µF D3 R13 33k R14 R5 V D4 IN DCM 100k 2.4M V 24V IN_SENSE FB Z1 +C10 2A EN/UVLO C6 R15 R6 LT3798 1000µF 22pF 5.49k ×2 C11 301k D1 10µF V R16 ×2 REF 20Ω R11 R9 CTRL3 GATE M1 100k 40.2k Z2 CTRL2 SENSE BR1: DIODES, INC. HD06 C8: VISHAY 440LD22-R CTRL1 INTVCC RS C9 C11: MURATA GRM32ER7YA106KA12L 0.03Ω C8 OVP 4.7µF D1: CENTRAL SEMICONDUCTOR CMR1U-06M GND 2.2nF D2, D3: DIODES INC. BAV20W D4: DIODES INC. SBR20A200CTB R12 R10 COMP+ VC COMP– M1: INFINEON IPB60R165CP 221k 31.6k “Y1 CAP” T1: WÜRTH ELEKTRONIK 750811248 C3 C7, 0.1µF Z1: FAIRCHILD SMBJ170A 1µF Z2: CENTRAL SEMICONDUCTOR CMZ5937B 3798 TA03 3798fa 17 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATIONS Universal Input 24W PFC Bus Converter
L2 800µH L1 BR1 33mH R17 C1 R7 90V D2 20Ω 0.068µF C2 100k TO 265V 4:1:1 R3 AC 0.1µF 499k R8 C4 100k C5 4.7pF R4 10µF R13 499k 2k D3 R14 VIN DCM D4 90.9k 24V R5 VIN_SENSE FB Z1 1A 1M + C10 R15 C6 560µF EN/UVLO 4.99k 22pF × 2 R6 D1 95.3k LT3798 R16 20Ω V GATE REF M1 Z2 R11 R9 SENSE CTRL3 100k 40.2k BR1: DIODES, INC. HD06 CTRL2 INTVCC RS C9 C8: VISHAY 440LD22-R 0.05Ω C8 CTRL1 4.7µF D1: CENTRAL SEMICONDUCTOR CMR1U-06M GND 2.2nF D2, D3: DIODES INC. BAV20W OVP D4: CENTRAL SEMICONDUCTOR CMR1U-02M R12 R10 COMP+ VC COMP– M1: FAIRCHILD FDPF15N65 “Y1 CAP” T1: COILCRAFT JA4429-AL 221k 16.5k C3 C7, 0.1µF Z1: FAIRCHILD SMBJ170A 2.2µF Z2: CENTRAL SEMICONDUCTOR CMZ5937B 3798 TA02
Universal Input 48W PFC Application
L1 1mH L2 BR1 27mH C1 0.1µF R3 R7 R17 90V D2 499k 100k 47Ω TO 265V C2 0.22µF R4 R8 AC C4 4:1:1 499k 100k C5 22pF 10µF D3 R13 33k R14 R5 V D4 IN DCM 100k 2.4M V 24V IN_SENSE FB Z1 +C10 2A EN/UVLO C6 R15 R6 LT3798 1000µF 22pF 5.49k ×2 C11 301k D1 10µF V R16 ×2 REF 20Ω R11 R9 CTRL3 GATE M1 100k 40.2k Z2 CTRL2 SENSE BR1: DIODES, INC. HD06 C8: VISHAY 440LD22-R CTRL1 INTVCC RS C9 C11: MURATA GRM32ER7YA106KA12L 0.03Ω C8 OVP 4.7µF D1: CENTRAL SEMICONDUCTOR CMR1U-06M GND 2.2nF D2, D3: DIODES INC. BAV20W D4: DIODES INC. SBR20A200CTB R12 R10 COMP+ VC COMP– M1: INFINEON IPB60R165CP 221k 31.6k “Y1 CAP” T1: WÜRTH ELEKTRONIK 750811248 C3 C7, 0.1µF Z1: FAIRCHILD SMBJ170A 1µF Z2: CENTRAL SEMICONDUCTOR CMZ5937B 3798 TA03 3798fa 17 Document Outline Description Features Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts